OVERVIEW CALL STATIONS

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2 OVERVIEW CALL STATIONS Indoor Call Stations...3 Multifunctional Desktop Call Station, Analogue (MTSA)...3 MTSA Expansion Unit...4 MTSA Accessories...4 Multifunctional Desktop Call Stations, Digital (MTSD)...5 MTSD Expansion Unit...6 MTSD Wall-Mount Connector Box...6 MTSD Accessories...7 Required MTSD Power Supply Module for Different Configurations...7 MDK System Telephone, Digital...8 Configuration Example for an MDK Operator Unit...8 MDK PC Call Station...9 Weatherproof Call Stations...12 Weatherproof Analogue Call Station (WFA)...12 WFA Accessories...13 Weatherproof Analogue Compact Call Station (WFAK)...14 Weatherproof Digital Call Station (WFD)...15 WFD Accessories...16 Explosion-Proof Call Stations...17 Weatherproof Digital Call Station, Ex-Proof (WFD-EX)...17 Weatherproof Analogue Call Station, Ex-Proof (WFA-EX)...18 WFD-EX/WFA-EX Accessories W Auxiliary Amplifier for WFD/WFD-EX/WFA-EX Call Stations...19 Weatherproof Telephones...20 Weatherproof Telephone with Keypad (WTAT) or without Keypad (WTA)...20 Explosion-Proof Telephones...22 Explosion-Proof Telephone with Keypad (WTAT) or without Keypad (WTA)...22 Technical Details...24 IP Rating of Enclosures...24 General Information on the Designation of Explosion-Proof Equipment ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 2

3 Indoor Call Stations Multifunctional Desktop Call Station, Analogue (MTSA) The analogue version of the Multifunctional Desktop Call Station can be used with all analogue intercom systems. The desktop call stations feature from 8 to 32 illuminated pushbuttons, but can be expanded to up to 80 buttons with attachable expansion units. MTSA, 8 buttons Art. No MTSA, 48 buttons Art. No Equipment Features impact- and break-resistant ABS plastic enclosure flexible gooseneck electret microphone (300 mm) integrated full range speaker, 8 Ω replaceable illuminated pushbuttons with LED signaling incl. wall-mount connector box and 3-m connection cable (2 x 3-m cable with MTSA buttons) Functional Features intercom amplifier with integrated radio monitoring function switch to off or low volume (volume lowering by 12 db) pushbuttons select line for direct call connections functions can be configured from the control centre Art. No Physical Data Number of illuminated pushbuttons Weight (w/o wall-mount connector box) approx.1.1 kg approx. 1.9 kg Enclosure dimensions (H x W x D) 88 x 183 x 260 mm 88 x 368 x 260 mm Enclosure colour: top / base oyster white (RAL 1013) / graphite black (RAL 9011) Electrical Data Supply voltage 24 V DC or 48/60 V DC Max. quiescent current 30 ma (24 V DC) / 38 ma (48/60 V DC) Max. operating current 82 ma (24 V DC) / 135 ma (48/60 V DC) Amplifier power rating 1 W Min. input voltage for rated power 120 mv Average speech power (1 W / 1 m) 86 db Frequency range 150 Hz to 10 khz Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 MTSA Wall-Mount Connector Box 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 3

4 MTSA Expansion Unit MTSA Call Stations can be expanded to up to 80 buttons by attaching expansion units. The basic enclosure of the expansion unit has 6 rows for button strips containing 8 buttons per row. The smallest configuration with 16 talk buttons has blank panels on the other 4 rows. MTSA Expansion Unit, 16 buttons Art. No Equipment Features impact- and break-resistant ABS plastic enclosure incl. second connector terminal board and 3-m connection cable incl. accessories to attach expansion unit to the base unit Art. No Physical Data Number of illuminated pushbuttons Weight (without connector board) approx. 0.8 kg approx. 1.1 kg Enclosure dimensions (H x W x D) 88 x 183 x 235 mm Enclosure colour: top / base oyster white (RAL 1013) / graphite black (RAL 9011) Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 MTSA Accessories Article Description Art. No. Accessory Parts for MTSA Wall-Mount Connector Box MTSA Wall-Mount Connector Box 1) for MTSA Call Station with up to 32 buttons, ABS plastic enclosure, colour: pebble grey (RAL 7032), approx. 1.2 kg Expansion kit for Wall-Mount expansion connector board for 48 additional lines Connector Box (expansion kit for up to 80 buttons max.) MTSA connection cable 1) 50-pin SUB-D, colour: pebble grey (RAL 7032), 3 m MTSA connection cable 50-pin SUB-D, colour: pebble grey (RAL 7032), 5 m MTSA connection cable 50-pin SUB-D, colour: pebble grey (RAL 7032), 10 m Accessory Parts for MTSA Call Station Button strip button insert with 8 buttons Blank panel for button row instead of an MTSA button insert Button cover includes 5 screws Mounting kit for button cover incl. drill hole template, drill and assembly instructions Pushbutton cap ABS plastic, colour: sky blue (RAL 5015) Pushbutton cap ABS plastic, colour: rape yellow 2) (RAL 1021) Pushbutton cap ABS plastic, colour: fire red (RAL 3000) Pushbutton cap ABS plastic, colour: yellow green (RAL 6018) Pushbutton cap ABS plastic, colour: turquoise blue (RAL 5018) Pushbutton cap ABS plastic, colour: signal black (RAL 9004) Clear plastic hood for pushbutton cap PC plastic, colour: transparent ) Already included with the basic MTSA Call Stations. 2) Formerly named cadmium yellow (RAL 1021) ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 4

5 Multifunctional Desktop Call Stations, Digital (MTSD) The digital version of the Multifunctional Desktop Call Station is used in intercom systems together with the Multifunctional Digital Communication Centre (MDK). The desktop call stations have 8 or 16 illuminated pushbuttons, and they can be expanded to operator stations with up to 208 buttons by attaching one or more expansion units. MTSD, 8 buttons Art. No MTSD, 32 buttons Art. No Equipment Features 1) impact- and break-resistant ABS plastic enclosure flexible gooseneck electret microphone (300 mm) integrated full range speaker, 8 Ω replaceable illuminated pushbuttons with LED signaling back-lit, two-line LC display Functional Features intercom amplifier with integrated radio monitoring function switch to off or low volume (volume lowering by 12 db) pushbuttons select line for direct call connections functions can be configured from the MDK Centre pushbuttons definable as intercom line selection or for local functions two slots for text storage modules less wiring required Art. No Physical Data Number of illuminated pushbuttons Weight (w/o wall-mount connector box) approx. 1.1 kg approx. 1.9 kg Enclosure dimensions (H x W x D) 88 x 183 x 260 mm 88 x 368 x 260 mm Enclosure colour: top / base oyster white (RAL 1013) / graphite black (RAL 9011) Electrical Data Supply voltage range V DC Max. quiescent current 40 ma Max. operating current 180 ma Amplifier power rating 1 W Min. input voltage (radio a/b) 120 mv for rated power Average speech power (1 W / 1 m) 86 db Frequency range 300 Hz to 7 khz Intercom line interface S0 Communication protocol Neumann Protocol Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 1) The Wall-Mount Connector Box and connection cable are not included with the MTSD Call Station (must be ordered separately) ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 5

6 MTSD Expansion Unit MTSD Call Stations can be expanded to operator stations with up to 208 buttons by attaching one or more expansion units. The basic enclosure of the expansion unit has 6 rows for button strips containing 8 buttons per row. The smallest configuration with 16 talk buttons has blank panels on the other 4 rows. MTSD Expansion Unit, 16 buttons Art. No Equipment Features impact- and break-resistant ABS plastic enclosure incl. second connector terminal board and 3-m connection cable incl. parts to attach expansion unit to the base unit Art. No Physical Data Number of illuminated pushbuttons Weight approx. 0.8 kg approx. 1.1 kg Enclosure dimensions (H x W x D) 88 x 183 x 235 mm Enclosure colour: top / base oyster white (RAL 1013) / graphite black (RAL 9011) Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 MTSD Wall-Mount Connector Box The MTSD Wall-Mount Connector Box provides connections for the MTSD Call Station, an ISDN telephone, an analogue as well as a digital System Telephone, and it accepts a power supply module and two NT units U/S0. MTSD Wall-Mount Connector Box 1) Art. No Equipment Features painted, two-piece sheet steel enclosure connection sockets for an MTSD Call Station, ISDN telephone, and an analogue and digital system telephone accepts a power supply module and two NT units U/S0 Art. No Technical Data Weight (w/o NT units and w/o power approx. 1.4 kg supply module) Enclosure dimensions (H x W x D) 268 x 157 x 60 mm Enclosure colour pebble grey (RAL 7032) Interfaces MTSD call station 25-pin SUB-D socket Digital System telephone 8-pin modular jack (RJ 45) ISDN telephone 8-pin modular jack (RJ 45) Analogue telephone TAE6F jack MDK connection S0/U Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 1) Not supplied with the MTSD Call Station (must be ordered separately) ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 6

7 MTSD Accessories Article Description Art. No. Accessory Parts for MTSD Wall-Mount Connector Box 1) ISDN power supply module 48 V DC / 40 V DC / ±5 V DC Power supply module 48/60 V DC / ±5 V DC (16 buttons max.) Power supply module 48/60 V DC / ±5 V DC (16 or more buttons) Power supply module 230 V AC / ± 5V DC (16 buttons max.) ISDN power supply module 230 V AC / 40 V DC / ±5 V DC Power cord 230 V AC, with shockproof plug, 3 x 0.75 mm 2, 2 m NT unit U/S0 ±5 V DC (up to 7 km max. distance to MDK Centre) MTSD connection cable 25-pin SUB-D, colour: pebble grey (RAL 7032), 3 m MTSD connection cable 25-pin SUB-D, colour: pebble grey (RAL 7032), 5 m MTSD connection cable 25-pin SUB-D, colour: pebble grey (RAL 7032), 10 m Accessory Parts for MTSD Call Station Button strip button insert with 8 buttons Blank panel for button row instead of an MTSD button insert Button cover includes 5 screws Mounting kit for button cover incl. drill hole template, drill and assembly instructions Pushbutton cap ABS plastic, colour: sky blue (RAL 5015) Pushbutton cap ABS plastic, colour: rape yellow 2) (RAL 1021) Pushbutton cap ABS plastic, colour: fire red (RAL 3000) Pushbutton cap ABS plastic, colour: yellow green (RAL 6018) Pushbutton cap ABS plastic, colour: turquoise blue (RAL 5018) Pushbutton cap ABS plastic, colour: signal black (RAL 9004) Clear plastic hood for pushbutton cap PC plastic, colour: transparent ) Not supplied with the MTSD Call Station (must be ordered separately). 2) Formerly named cadmium yellow (RAL 1021). Required MTSD Power Supply Module for Different Configurations Intended Required Power Supply Modules, Art. No. Supply Voltage 48/60 V DC 230 V AC MTSD Call Station ±5 V DC (16 buttons max.) (16 or more buttons) ISDN telephone 40 V DC (connected to the passive S0 bus) System telephone, digital (power supplied through ISDN line) 40 or 48 V DC ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 7

8 MDK System Telephone, Digital The digital MDK System Telephone, combined with the digital Multifunctional Desktop Call Station (MTSD), constitutes the central operator unit for universal MDK communications connections. This allows, for example, the telephone s function buttons to be mapped to intercom line selection buttons of the MTSD. Signal and voice communication uses a modified DSS1 protocol. The MDK System Telephone can also be used as an independent telephone with all of the standard features of digital technology. However, it is not possible to connect the telephone directly to the phone company s public network. Equipment Features impact- and break-resistant ABS plastic enclosure 12 function buttons, 4 for phone functions and 5 for other functions two-line alphanumeric LC display (2 x 20 characters) integrated speaker for loudspeaker talk/listen function connection jacks for talk/listen headset and recording device incl. 6-m connection cable MDK System Telephone Art. No Functional Features signal and voice communication using modified DSS1 protocol individual programming of function buttons, signaling and display text using the MDK PC/Diagnosis via V.24 (serial) interface Art. No Physical Data Weight approx. 1.2 kg Enclosure dimensions (H x W x D) 115 x 183 x 235 mm Enclosure colour: top / base oyster white (RAL 1013) / graphite black (RAL 9011) Interfaces Handset cord connector RJ 45 (4-pin modular jack) Headset (talk/listen) 8-pin DIN jack Recording device 6-pin DIN jack PC/Diagnosis V.24 (9-pin SUB-D socket) MDK connection S0 Communication protocol DSS1 protocol (modified) Environmental Conditions Climate class per DIN EN K4 (extended temperature range 0 to +50 C) Protection class IP30 per DIN EN / IEC 529 Configuration Example for an MDK Operator Unit MDK System Telephone + MTSD, 16 buttons Art. No / ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 8

9 MDK PC Call Station Monitor-Communication-Terminal for extended communication needs Features 40 keys on a single virtual operation screen Separation in 40 virtual operator screens Touch screen and mouse operation Flexible placement of microphone and loudspeaker Touch-desktop-monitor or Touch-built-in-monitor Direct connection to the MDK PC with Soundcard for communication Communication with enhanced voice quality Embedding of functional bitmaps into keys of the operation panel Integration of PA, intercom and telephone functions Free selection of telephone accessories Handset with cradle Headset System telephone with optional Headset The MDK PC call station consists of the hardware and software that can be found on page ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 9

10 MDK PC Call Station NEMMS- the ms Neumann Management System NEMMS is a computer-aided management system for which the configuration of the user-interface is variable. It works in a direct combination with the MDK-system. The operational areas of a customer can be graphically illustrated and accessed in separate sub-areas. The actions are executed by imbedded buttons in the respective graphic, and the handling is mouse-driven. Messages are also displayed according to the area of operation. For example there is a graphical transmission of the status of the sensors. So every demand of the customers concerning the ergonomics of the user-interface can be satisfied. One example for the innovative interface design shows the applications in Switzerland for emergency systems in tunnels. So far the following projects were realised: Gotthard, Seelisberg and the federal road N5 Features Monitor-Communication Terminal for location based operation Variable desktop screen Graphical and location based switch buttons Location based messages Separation into customized operator screens Direct connection to the MDK Operation with serial pointing device Intercom, PA and telephone (emergency call) applications PC with Soundcard for communication Communication with enhanced voice quality Embedding of functional bitmaps into keys of the operation panel Integration of PA, intercom and telephone functions Free selection of telephone accessories Handset with cradle Headset System telephone with optional Headset The MDK PC call station NEMMS consists of the hardware and software that can be found on page ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 10

11 Parts List for MDK PC Call Station and NEMMS, Hardware for Intercom and PA Applications: Art. No. Description Number of Items PC (currently available technology) with RS 422 card, sound 1 card and operating system Windows XP Touch screen desktop monitor 12.1" or Touch screen desktop monitor 15" COM extension cable VGA extension cable PC call station connection unit, intercom amplifier, incl. cables pin SUB-D connector kit (male and female) pin SUB-D male multipoint connector Connecting box AP, 9 pin SUB-D Shielded connecting cable, 2x2x0.6mm Electret gooseneck microphone Loudspeaker, in standard casing 96 x 96 mm 1 Parts List for MDK PC Call Station and NEMMS, Hardware for Telephony : System telephone Headset for system telephone 1 or Telephone headset Amplifier for telephone headset art. no Software for MDK PC Call Station PC call station software incl. dongle PC call station line configuration PC call station HD (Backup) 1 Software for MDK PC Call Station NEMMS PC call station NEMMS, incl. dongle PC call station line configuration (per line) Configuration per bitmap for one line PC call station HD backup ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 11

12 Weatherproof Call Stations Weatherproof Analogue Call Station (WFA) The Weatherproof Analogue WFA Call Stations provide direct intercom connections to other call stations and PA loudspeaker announcements both outdoors and indoors in harsh environments, such as in heavy industry facilities. When the robust two-way toggle keys are pressed, they activate contactless opto-couplers, which make them suitable for permanent use in aggressive, moist environments. The call stations are designed for wall mounting, and they cannot be expanded with expansion enclosures. Equipment Features dust- and watertight, fiberglassreinforced polyester enclosure two-way toggle keys with opto-coupler, 2 lines each integrated pressure chamber loudspeaker and electret microphone connector for optional Auxiliary Amplifier WFA Call Station, 1 two-way toggle Art. No WFA Call Station, 2 two-way toggles Art. No WFA Call Station, 3 two-way toggles Art. No Functional Features direct intercom connections, keycontrolled can be switched to low volume (nighttime operation) LED indication of incoming call and line busy, prioritized functions configurable via MDK less wiring required Art. No Physical Data Number of two-way toggle keys Weight (without auxiliary amplifier) approx. 6.5 kg Enclosure dimensions (H x W x D) 500 x 120 x 180 mm Enclosure colour pure orange (RAL 2004) Electrical Data Supply voltage range V DC Max. quiescent current [10mA Max. operating current [50mA [1A (with 25W additional amplifier) Amplifier power rating 280mW Min. input voltage for rated power 150mV Average speech power (1 W / 1 m) 86dB Frequency range 300 Hz to 10 khz (-3 to ±1 db) Environmental Conditions Climate class per DIN EN K6 (extended temperature range -25 to +70 C) Protection class per DIN EN / IEC 529 IP66 Device group, category per 94/9/EG-RL II 3G and 3D 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 12

13 WFA Accessories Article Description Art. No. Accessory Parts for WFA Call Station 25-W Auxiliary Amplifier 1) 25 W / 48/60 V DC Mounting kit adapter for drill holes of older call stations, incl. 2 angle brackets and 4 steel hexagon socket screws M6 x 18 Key insert two-way toggle keys for 2 Lines Blank panel instead of key insert Hexagon socket screw wrench SW5 for hexagon socket screws on enclosure panel ) Not included with WFD Call Stations Art. No , or ; for technical data, see pg ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 13

14 Weatherproof Analogue Compact Call Station (WFAK) The Weatherproof Analogue Compact Call Stations (WFAK) are intended for use in normal environments with low noise levels. These compact call stations, constructed for outdoor environmental conditions, provide an optimal cost-effective solution. The WFAK Call Station can be expanded to a compact, multiple-line call station by adding a 6-button WFAK Expansion Enclosure. WFAK Call Station, 3 line-keys Art. No (orange) Art. No (yellow) as above, but with connector for auxiliary amplifier Art. No (orange) Art. No (yellow) WFAK Expansion Enclosure, 6 line-keys Art. No (orange) Art. No (yellow) Equipment Features dust and splash-water protected, fiberglassreinforced polyester enclosure with UV-protective coating illuminated line selection keys with associated fields for labels integrated full range speaker and electret microphone incl. hexagon socket screw wrench SW5 for WFAK Call Stations and only: > Connector for 25 W Amplifier > Plug-in connector for built-in 1 W amplifier ( ) Functional Features line selection via keys line functions configurable from control centre individual gain adjustments of microphone and speaker amplification incoming call and line busy indication Art. No / / / Physical Data Number of line-keys 3 6 Weight (without auxiliary amplifier) approx. 2.3 kg approx. 2.1 kg Enclosure dimensions (H x W x D) 250 x 100 x 195 mm 250 x 100 x 150 mm Enclosure colour pure orange (RAL 2004) / golden yellow (RAL 1004) Electrical Data Supply voltage range V DC Max. quiescent current 30 ma Max. operating current approx. 100 ma Amplifier power rating 1 W Min. input voltage for rated power 100 mv Average speech power (1 W / 1 m) 86 db Frequency range 150 Hz to 10 khz Environmental Conditions Climate class per DIN EN K6 (extended temperature range -25 to +70 C) Protection class IP65 per DIN EN / IEC 529 Device group, category per 94/9/EG-RL II 3G and 3D 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 14

15 Weatherproof Digital Call Station (WFD) The Weatherproof Digital WFD Call Stations provide direct intercom connections to other call stations and PA loudspeaker announcements both outdoors and indoors in harsh environments, such as in heavy industry facilities. When the robust two-way toggle keys are pressed, they activate contactless opto-couplers, which make them suitable for permanent use in aggressive, moist environments. The call stations are designed for wall mounting, and they cannot be expanded with expansion enclosures. Equipment Features dust- and watertight, fiberglassreinforced polyester enclosure two-way toggle keys with opto-coupler, 2 lines each integrated pressure chamber loudspeaker and electret microphone connector for optional Auxiliary Amplifier WFD Call Station, 1 two-way toggle Art. No WFD Call Station, 2 two-way toggles Art. No WFD Call Station, 3 two-way toggles Art. No Functional Features direct intercom connections, keycontrolled can be switched to low volume (nighttime operation) LED indication of incoming call and line busy, prioritized functions configurable via MDK less wiring required Art. No Physical Data Number of two-way toggle keys Weight (without auxiliary amplifier) approx. 5.0 kg Enclosure dimensions (H x W x D) 500 x 120 x 180 mm Enclosure colour pure orange (RAL 2004) Electrical Data Supply voltage range V DC Max. quiescent current 25 ma Max. operating current approx. 125 ma Amplifier power rating 1 W Min. input voltage for rated power 150 mv Average speech power (1 W / 1 m) 86 db Frequency range 300 Hz to 7 khz (-3 to ±1 db) Communication protocol Neumann WL Protocol Environmental Conditions Climate class per DIN EN K6 (extended temperature range -25 to +70 C) Protection class per DIN EN / IEC 529 IP66 Device group, category per 94/9/EG-RL II 3G and 3D 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 15

16 WFD Accessories Article Description Art. No. Accessory Parts for WFD Call Station 25-W Auxiliary Amplifier 1) 25 W / 48/60 V DC Mounting kit adapter for drill holes of older call stations, incl. 2 angle brackets and 4 steel hexagon socket screws M6 x 18 Key insert two-way toggle keys for 2 Lines Blank panel instead of key insert Hexagon socket screw wrench SW5 for hexagon socket screws on enclosure panel ) Not included with WFD Call Stations Art. No , or ; for technical data, see pg ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 16

17 Explosion-Proof Call Stations Weatherproof Digital Call Station, Ex-Proof (WFD-EX) The explosion-proof, Weatherproof Digital WFD Call Stations provide direct intercom connections to other call stations and PA loudspeaker announcements in potentially explosive environments. When the robust two-way toggle keys are pressed, they activate contactless opto-couplers, which make them suitable for permanent use in aggressive, moist and dusty environments, especially in areas that are enriched with explosive gases and dust. The call stations are designed for wall mounting, and they cannot be expanded with expansion enclosures. Equipment Features dust- and watertight, fiberglassreinforced polyester enclosure two-way toggle keys with optocoupler, 2 lines each active components pressure-proof enclosed integrated pressure chamber loudspeaker and electret microphone connector for Auxiliary Amplifier WFD-EX Call Station, 1 two-way toggles Art. No as above, but with auxiliary amplifier 1) Art. No WFD-EX Call Station, 2 two-way toggles Art. No as above, but with auxiliary amplifier 1) Art. No WFD-EX Call Station, 3 two-way toggles Art. No as above, but with auxiliary amplifier 1) Art. No Functional Features direct intercom connections, keycontrolled can be switched to low volume (nighttime operation) LED indication of incoming call and line busy, prioritized functions configurable via MDK less wiring required Art. No / / / Physical Data Number of two-way toggle keys Weight (without auxiliary amplifier) approx. 6.5 kg Enclosure dimensions (H x W x D) 500 x 120 x 180 mm Enclosure colour pure orange (RAL 2004) Electrical Data Supply voltage range V DC Max. quiescent current 25 ma Max. operating current 100 ma Amplifier power rating 1 W Min. input voltage for rated power 150 mv Frequency range 300 Hz to 7 khz Communication protocol Neumann WL Protocol Environmental Conditions Climate class per DIN EN K6 (however, changed temperature range -20 to +70 C) Protection class per DIN EN / IEC 529 IP66 Ex-proof certification per EG-RL 94/9/EG II 2 G EEx d e ib IIC T4 (PTB 01 ATEX 2070) II 2 D IP66 T135 C (PTB EX ) 1) The 25-W Auxiliary Amplifier (Art. No ) is installed; for technical data, see pg ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 17

18 Weatherproof Analogue Call Station, Ex-Proof (WFA-EX) The explosion-proof, Weatherproof Analogue WFA Call Stations provide direct intercom connections to other call stations and PA loudspeaker announcements in potentially explosive environments. When the robust two-way toggle keys are pressed, they activate contactless opto-couplers, which make them suitable for permanent use in aggressive, moist and dusty environments, especially in areas that are enriched with explosive gases and dust. The call stations are designed for wall mounting, and they cannot be expanded with expansion enclosures. Equipment Features dust- and watertight, fiberglassreinforced polyester enclosure two-way toggle keys with optocoupler, 2 lines each active components pressure-proof enclosed integrated pressure chamber loudspeaker and electret microphone connector for Auxiliary Amplifier WFA-EX Call Station, 1 two-way toggle Art. No as above, but with auxiliary amplifier 1) Art. No WFA-EX Call Station, 2 two-way toggles Art. No as above, but with auxiliary amplifier 1) Art. No WFA-EX Call Station, 3 two-way toggles Art. No as above, but with auxiliary amplifier 1) Art. No Functional Features key-controlled line selection line functions configurable from control centre can be switched to low volume (nighttime operation) LED indication of incoming call and line busy, prioritized Art. No / / / Physical Data Number of two-way toggle keys Weight (without auxiliary amplifier) approx. 6.5 kg Enclosure dimensions (H x W x D) 500 x 120 x 180 mm Enclosure colour pure orange (RAL 2004) Electrical Data Supply voltage range V DC Max. quiescent current 10 ma Max. operating current approx. 50 ma Amplifier power rating 1 W Min. input voltage for rated power 150 mv Frequency range 300 Hz to 10 khz (-3 to ±1 db) Environmental Conditions Climate class per DIN EN K6 (altered temperature range -20 to +70 C) Protection class per DIN EN / IEC 529 IP66 Ex-proof certification per EG-RL 94/9/EG II 2 G EEx d e ib IIC T4 (PTB 01 ATEX 2070) II 2 D IP66 T135 C (PTB EX ) 1) The 25-W Auxiliary Amplifier (Art. No ) is installed; for technical data, see pg ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 18

19 WFD-EX/WFA-EX Accessories Article Description Art. No. Accessory Parts for WFD-EX/WFA-EX Call Station 25-W Auxiliary Amplifier 25 W / 48/60 V DC Mounting kit adapter for drill holes of older call stations, incl. 2 angle brackets and 4 steel hexagon socket screws M6 x 18 Key insert two-way toggle keys for 2 Lines Blank panel instead of key insert Hexagon socket screw wrench SW5 for hexagon socket screws on enclosure panel W Auxiliary Amplifier for WFA/WFD/WFD-EX/WFA-EX Call Stations A call station in combination with an auxiliary amplifier and loudspeaker can use the auxiliary loudspeaker as a PA speaker for incoming calls. Only the initial call to the call station is transmitted over the auxiliary loudspeaker. When the call station answers, its internal speaker is automatically used for the rest of the call. After approx. 20 seconds pause in the conversation, the call station returns to using the PA loudspeaker. 25-W Auxiliary Amplifier 1) Art. No Functional Features installable solder-free, on site temperature-controlled power limiter PA operation with separate auxiliary loudspeaker auxiliary loudspeaker can be switched off installable in the following call stations: WFA: Art. No , and WFD: Art. No , and WFD-EX: Art. No , and WFA-EX: Art. No , and already included in the following call stations: WFD-EX: Art. No , and WFA-EX: Art. No , and Art. No Electrical Data Supply voltage range V DC Max. quiescent current 10 ma Max. operating current approx. 900 ma Audio output power 25 W an 400 Ω Output voltage 100 V (can be changed to 50 V) Min. input voltage for rated power 1 V Input impedance 20 kω (at 1 khz) Frequency range (measured at Vo=25 V AC) 200 Hz to 10 khz (-3 to ±1 db) Distortion factor (measured at Vo=70 V AC) 5 % 1) When installing, we recommend using heat conducting paste, Art. No ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 19

20 Weatherproof Telephones Weatherproof Telephone with Keypad (WTAT) or without Keypad (WTA) The Weatherproof Analogue Telephone (WTAT), developed for connection to either the public telephone system or to private branch exchanges, is a reliable, modern communication device suitable for use under even the most rugged conditions. Its robust impact-resistant housing featuring a stainless steel keypad, which can still be easily operated while wearing work gloves, ensures maximal reliability under adverse conditions such as high-humidity or dusty environments, or where it can come into contact with alkalis or lubricants. The telephone has many convenience features including intuitive operation, easy programmability, and clearly readable alphanumeric display. The WTA model, designed for use in central exchange systems, is equivalent to the WTAT model except that it does not have a keypad or display. Weatherproof Analogue Telephone with Keypad (WTAT) Art. No Features Fibreglass-reinforced polyester housing Stainless steel keypad with ice protection ² ) 21-key keypad with standard ABC lettering to enter characters ² ) 2-line alphanumeric display with separate indicator symbols Vertical wall mounting Adjustable receiver securing mechanism integrated into cradle Stainless-steel armoured receiver cord Dynamic earpiece capsule with inductor coil for inductive coupling with hearing aids Electret microphone Noise suppression > 3dB due to special shape of mouthpiece W-terminals to connect an external incoming call indicator Terminals to connect an external loudspeaker Terminals to connect a headset (optional accessory) ¹ ) ² ) Terminals to connect a second earpiece (optional accessory) ¹ ) ² ) Terminals accept up to 4mm² solid core or up to 2.2 mm² stranded wire Features of the WTAT Receiver operation, loudspeaker listening, handsfree Phone number directory Dialling mode setting (pulse or touch tone) Pulse/space ratio setting for pulse dialling Setting for flash time Volume setting Key to put active call on hold Phone locked/pin code Contrast setting for LCD display Freely definable welcome text Select from 5 languages for menus Weatherproof Analogue Telephone without Keypad (WTA) Art. No Features of the ZB model (WTA) Line connection made by picking up receiver Integrated incoming call signalling ¹ ) Optional headset or second earpiece can be connected, but not both at the same time. ² ) Not applicable to ZB model ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 20

21 Art.-No Name WTAT WTA Housing Enclosure dimensions (H x W x D) 260 x 228 x 135 mm Weight approx. 5.5 kg Housing material fibreglass-reinforced polyester Keypad V4A-steel keypad - Display 2-line display, approx. 78 x 26mm - Enclosure colour black Electrical Data Operating voltage range V DC Input current 15 ma DC 100 ma DC Ringing AC voltage 24V AC to 90V AC (at 21-54Hz ringing frequency), 30V AC to 90V AC (at Hz ringing frequency) Ringing impedance > 6 kω at 25 Hz and 24-90V AC > 6 kω at 25 Hz and 24-90V AC Environmental Conditions Climate class per DIN EN K6 Protection class per DIN EN / IEC 529 IP66 per EN Protection rating against mechanical impact damage IK 09 per EN Ex-certified: 06 ATEX E 028 as per EC- RL 94/9/EC - Operating temperature in C -25 to +60, nothing shown on display below 20 Storage temperature in C -25 bis +70 per IEC ³ ) Prerequisite for T5: ambient temperature between -25 and +40 ⁴ ) Prerequisite for T6: ambient temperature between -25 and ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 21

22 Explosion-Proof Telephones Explosion-Proof Telephone with Keypad (WTAT) or without Keypad (WTA) The Analogue Explosion-Proof and Weatherproof Telephone (WTAT), developed for connection to either the public telephone system or to private branch exchanges, is a reliable, modern communication device suitable for use under even the most rugged conditions. Its robust impact-resistant, explosion-proof housing featuring a stainless steel keypad, which can still be easily operated while wearing work gloves, ensures maximal reliability under adverse conditions such as high-humidity or dusty environments, or where it can come into contact with alkalis or lubricants. The telephone has many convenience features including intuitive operation, easy programmability, and clearly readable alphanumeric display. The WTA model, designed for use in central exchange systems, is equivalent to the WTAT model except that it does not have a keypad or display. Explosionproof Analogue Telephone with Keypad (WTAT) Art. No Features Fibreglass-reinforced polyester housing Stainless steel keypad with ice protection ² ) 21-key keypad with standard ABC lettering to enter characters ² ) 2-line alphanumeric display with separate indicator symbols Encapsulation ex-protection Vertical wall mounting Adjustable receiver securing mechanism integrated into cradle Stainless-steel armoured receiver cord Dynamic earpiece capsule with inductor coil for inductive coupling with hearing aids Electret microphone Noise suppression > 3dB due to special shape of mouthpiece W-terminals to connect an external incoming call indicator Terminals to connect an external loudspeaker Terminals to connect a headset (optional accessory) ¹ ) ² ) Terminals to connect a second earpiece (optional accessory) ¹ ) ² ) Terminals accept up to 4mm² solid core or up to 2.2 mm² stranded wire Features of the WTAT Receiver operation, loudspeaker listening, handsfree Phone number directory Dialling mode setting (pulse or touch tone) Pulse/space ratio setting for pulse dialling Setting for flash time Volume setting Key to put active call on hold Phone locked/pin code Contrast setting for LCD display Freely definable welcome text Select from 5 languages for menus Explosionproof Analogue Telephone without Keypad (WTA) Art. No Features of the ZB model (WTA) Line connection made by picking up receiver Integrated incoming call signalling ¹ ) Optional headset or second earpiece can be connected, but not both at the same time. ² ) Not applicable to ZB model ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 22

23 Art.-No Name WTAT-EX WTA-EX Housing Enclosure dimensions (H x W x D) 260 x 228 x 135 mm Weight approx. 5.5 kg Housing material fibreglass-reinforced polyester Keypad V4A-Steel Keyboard - Display 2-line display, approx. 78 x 26mm - Enclosure colour black Electrical Data Operating voltage range V DC Input current 15 ma DC 100 ma DC Ringing AC voltage 24V AC to 90V AC (at 21-54Hz ringing frequency) 30V AC to 90V AC (at Hz ringing frequency) Ringing impedance > 6 kω at 25 Hz and 24-90V AC > 6 kω at 25 Hz and 24-90V AC Environmental Conditions Climate class per DIN EN K6 (exclusion for T6) Protection class IP66 per DIN EN Protection rating against mechanical impact damage IK 09 per EN Ex-certified: 06 ATEX E 028 as per EC-RL 94/9/EC Operating temperature in C II 2G EEx em ib IIC T5 II 2D IP66 T100 C ³ ) / II 2G EEx em ib IIC T6 II 2D IP66 T80 C ⁴ ) -25 to +60 (for T5) -25 to +40 (for T6) nothing shown on display below 20 Storage temperature in C -25 to +70 per IEC ³ ) Prerequisite for T5: ambient temperature between -25 and +40 ⁴ ) Prerequisite for T6: ambient temperature between -25 and ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 23

24 Technical Details IP Rating of Enclosures As per DIN / IEC / VDE 0470 / EN International standards classify the type of protection an enclosure provides by using a two-digit IP (International Protection) code that indicates the degree of protection the enclosure provides against the penetration of foreign objects, dust and water. A typical IP number for weatherproof enclosures is, for example, IP65 1). 1st Digit of Degree of protection against the penetration of 2nd Digit of Degree of protection against water IP Code solid foreign objects and hazardous access IP Code 0 No protection 0 No protection 1 Protected against the penetration of large foreign objects with a diameter greater than 50 mm 2 Protected against the penetration of mediumsized foreign objects with a diameter greater than 12 mm 3 Protected against the penetration of small foreign objects with a diameter greater than 2.5 mm 4 Protected against the penetration of tools, wire (particulate foreign objects) with a diameter greater than 1.0 mm 5 Completely protected against access to hazardous voltage carrying parts and internal moving parts. Protected against harmful accumulation of dust. Penetration of dust is not entirely prevented, but it must not be to an extent that would impair proper functioning. 6 Completely protected against access to hazardous voltage carrying parts and internal moving parts. Protected against the penetration of dust. 1 Protected against the ingress of vertically falling water drops 2 Protected against water drops falling at an angle of up to 15º from the vertical 3 Protected against water sprayed at any angle up to 60º from the vertical 4 Protected against water splashing against the enclosure from any direction 5 Protected against water jets sprayed through a nozzle against the enclosure from any direction 6 Protected against powerful water jets or temporary flooding (heavy seas) 7 Protected against temporary immersion in water under defined conditions of time and pressures corresponding to depths between 0.15 and 1 m 8 Protected against continuous submersion in water 9K Protected against water sprayed from highpressure water or steam cleaning jets directed at the enclosure from any direction 1 ) If an IP protection rating is not specified for one of the two categories, then the letter X is used instead of the respective digit, e.g. IPX ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 24

25 General Information on the Designation of Explosion-Proof Equipment The designation of electrical equipment and protection systems when put to their intended use in potentially explosive areas is determined according to the requirements of EC Directive 94/9/EC. The following is an example: II 2G EEx d e ib IIC T4 Explanation: 1. Zones / Equipment Groups / Equipment Categories There are 2 Equipment Groups: the designation I is assigned to electrical equipment for use in underground mining, the designation II for use in surface industries. The areas in which there is a risk of explosion are divided into Zones according to the likelihood of a potentially explosive atmosphere being present. In each Zone, the proper equipment must be used according to the Equipment Category (area of usage). The current IEC regulation defines the following Zones: Classification of Hazardous Areas / Equipment Categories / Equipment Groups Combustible Materials G: Gases, Vapours, Fumes D: Dusts M: Methane/Dust Characteristic for the Explosive Mixture Present continuously or frequently or for long periods Likely to occur in normal operation Not likely to occur in normal operation and if it occurs it will exist only for a short time Present continuously or frequently or for long periods Likely to occur in normal operation Swirled up dust not likely to occur in normal operation and if it occurs it will exist only for a short time Zones Equipment Group (for use in surface industries or underground) Zone 0 II 1G Equipment Category Zone 1 II 2G (also 1G) Zone 2 Zone 20 II 1D II 3G (also 2G and 1G) Zone 21 II 2D (also 1D) Zone 22 II 3D (also 2D and 1D) - M1 Mining I - M2 or M1 Explosion Subgroups: Classification of Gases and Vapours Equipment Group II is divided into three Gas Groups where IIA is the least volatile and Group IIC the most volatile. North America uses a differing classification according to Classes (I, II, III): Class I refers to gases and vapours (see table). Explosion Subgroups / Typical Gases CENELEC / IEC Typical Gases U.S.A. and Canada I IIA IIB IIC IIC Methane Propane, n-butane, Kerosene Ethylene, Hydrogen sulphide, Ethyl ether Hydrogen, Acetylene, Carbon disulphide Hydrogen, Acetylene, Carbon disulphide no classification Class I, Group D Class I, Group C Class I, Group B Class I, Group A 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 25

26 2. Types of Explosion Protection To enable electrical equipment to be used in areas where there is a risk explosion, various explosion protection techniques must be employed to prevent the equipment from igniting explosive atmospheres. Different techniques are used depending on the application and equipment: exclusion of the explosive atmosphere (o, q, m), purged and pressurized (p), containment of internal explosion (d), special mechanical designs (n, e), limiting electrical energy (ia, ib), as well as other measures (s). Each of these techniques is subject to national and/or international standards and regulations. EEx: Explosion Protection certified according to CENELEC Standard EN 50 Explosion Protection certified according to CENELEC Standard EN 50 corresponds to the relevant IEC standards and stipulates equipment safety measures that guarantee at least the same degree of safety as the European standards. Type of Protection / Technique / CENELEC Standard / IEC Standard Designation Type of Protection Technique CENELEC IEC General Requirements for all methods EN EEx d Flameproof Enclosure Enclosure contains internal explosion preventing it from igniting surrounding explosive EN atmosphere EEx e Increased Safety Special mechanical design EN EEx p Purged and Pressurized EN Source of ignition is kept EEx m Encapsulation EN isolated from explosive EEx o Oil Immersion EN atmosphere EEx q Powder Filling EN EEx n Non-sparking (na) / Restricted breathing (nr) Special mechanical design (only for Zones 2 and 22) EEx i* (ia, ib) Intrinsic Safety Energy limitation EN 50020** EN 50039*** Other methods that do not EEx s Special Protection conform to the standard protection methods * The protection type Intrinsic Safety is subdivided into the categories ia and ib. ** Equipment *** Systems EN Classification into Temperature Classes Hot surfaces can also ignite gas/air mixtures when the equipment s surface temperature reaches the ignition temperature of the potentially explosive atmosphere. To guard against this, all electrical equipment intended for use in a potentially explosive atmosphere is classified according to the maximum surface temperature it will reach in service. Temperature Classes Maximum surface temperature of electrical equipment in C T1 > 450 T2 T3 T4 T5 T6 > 300 to 450 C > 200 to 300 C > 135 to 200 C > 100 to 135 C > 85 to 100 C ms Neumann Elektronik GmbH owns a registered trademark (brand). Other products and company names mentioned herein are trademarks or registered trademarks of their respective owners. Printing errors, errors, technical or any other changes, as well as changes in the availability of individual products are to be expressly expected. ms Neumann Elektronik GmbH, ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue 03 26

27 2006 ms NEUMANN ELEKTRONIK GMBH All rights reserved Issue Mainstr. 1, Mülheim a.d. Ruhr, Germany, Ph: +49/208/5995-0, FAX: +49/208/ , info@neumann-elektronik.com