POWER UNITS AND VARIOUS DEVICE

Transcription

1 SECTI 5A (REV.D) POWER UNITS AND VARIOUS DEVICE Download from Technical Manuals area. SYSTEM POWER UNIT Ref. 08/0 SECTI CTENTS POWER PROTECTI DEVICE 30Vac 4000VA Ref. 33/85 9 DISTRIBUTOR Ref. 08/5 3 SECURITY TRANSFORMER Ref. 9000/30 3 VIDEO SWITCH 4 IN - OUT Ref. 038/69 4 ADDITIAL POWER SUPPLY Ref. 789/ 5 POWER FILTER 30Vac 4000VA Ref. 33/86 9 E AND TWO FAMILY VIDEO KIT 0 MULTIPOLAR WIRE FOR GO! SYSTEMS Ref. 08/90 MULTIPOLAR WIRE FOR CALING MODULES Ref. 08/94 Vdc VOLTAGE ADAPTER FOR SECDARY CAMERA Ref. 840/44 5 CALL REPEATER AUXILIARY RELAY Ref. 788/ 6 SUPPLEMENTARY POWER UNIT Vdc 5Vdc Ref. 090/850 6 LOCK RELEASE TIMER Ref. 03/8 7 RS3 - RS485 INTERFACE Ref. 08/53 7 Some products may be described in the New section. GO! - Technical manual sec.5a

2 3 4 SYSTEM POWER UNIT Ref. 08/0 SYSTEM POWER UNIT Ref. 08/0 75 mm V D E 90 mm 96 mm mm (0 DIN modules) Dedicated GO! system video power unit. Main features include: System power. Data distribution to 5 pairs of terminals. Connection of up to 5 bus lines. Power to apartment stations, one-user video distributors and video or door phone door units. Power to name cards on panel (the number of name cards depends on the system configuration, see System installation and activation ). The risers are identical from a functional point of view so that inputs or outputs can be connected to any one. TECHNICAL SPECIFICATI SYSTEM POWER UNIT Ref. 08/0 TECHNICAL SPECIFICATI - INSTALLATI AND CFIGURATI INSTALLATI AND CFIGURATI The casing is suitable for fitting on DIN bar and wall by means of screws and bolts; in all cases, the power unit must be installed in a dry place where it is sheltered from the elements, respecting the safety standards. Fit the line terminal inside the power unit to simulate the missing spines if not all five spines are used. Line 0 must always be connected. Each dip switch (from to 4) must be switched to the position if the corresponding line is not connected: TC IMPORTANT: Observe the instructions contained in section Installation and activation the system for wiring and maximum distances. 4 3 Power supply: 30Vac ±0% 50Hz 7VA Temperature: -5 C +45 C Humidity: 95% max a 30 C 0 terminals for power and 0 spine bus terminals for power and spine bus terminals for power and spine bus 3 terminals for power and 3 spine bus 4 terminals for power and 4 spine bus sec.5a GO! - Technical manual

3 DISTRIBUTOR Ref. 08/5 TECHNICAL SPECIFICATI SECURITY TRANSFORMER Ref. 9000/30 TECHNICAL SPECIFICATI Ref. 08/5 Ref. 9000/30 DISTRIBUTOR Ref. 08/5 SECURITY TRANSFORMER Ref. 9000/30 V D E mm 4 mm 08/5 PATENTED (IN/OUT) (DER) 39 mm The one-user distributor can be used to distribute the system column bus signal to the indoor station which are therefore connected as extensions. The device has one input (system power unit signal), one passing output (for distribution of signal to other distributors) and one output for connecting indoor station (extensions to video door phones, door phones or special decoding). Up to 3 distributors can be connected in series using the distributor passing output to make systems with 3 apartment stations. TECHNICAL SPECIFICATI 58 mm 83 mm Sch. 9000/30 PRI 54 mm (3 DIN modules) The Urmet Domus Ref. 9000/30 transformer is used to power button module and repertory module name cards at Vac if the maximum load of the system exceeds the capacity of the Ref. 08/0 power unit (see System installation and activation ). DISTRIBUTOR SECURITY TRANSFORMER Temperature: C Uptake: 8 ma IN OUT DER Input signal (input) Output signal (passing) Output signal to extension Important: A jumper which must be removed only if one of the two outputs is disconnected is present on the distributor. The video distributor is provided with the video door phone brackets and has the following codes according to the video door phone model: Utopia Ref. 703/70 Imago Ref. 707/70 Atlantico Ref. 70/70 Signo Ref. 740/70 Artico/Arco Ref. 705/70 Suitable for DIN bar fitting, the device was designed and made in compliance with the laws in force concerning isolation and safety transformers being protected from direct and indirect contact as required by the electrical system standards in force. It carries IMQ marking and respective certifications. The transformer can be used to power up to 8 load units. TECHNICAL SPECIFICATI Power supply: 30Vca 50/60Hz 8VA Secondary: Vca Peak load:,a Protection: With PTC Dissipated power after average working hour:,8w 08/5 PATENTED (IN/OUT) IN/OUT IN/OUT 08/5 PATENTED (DER) (IN/OUT) (DER) IN/OUT 08/5 PATENTED (IN/OUT) (DER) DER DER DER All branches are connected: JUMPER Extension branch cut-off: JUMPER REMOVED Cut-off to column passing output: JUMPER REMOVED Disconnect for 60 to reset after a short-circuit. GO! - Technical manual sec.5a 3

4 VIDEO SWITCH 4 IN - OUT Ref. 038/69 VIDEO SWITCH 4 IN - OUT Ref. 038/69 The Ref. 038/69 video switch can be used to control the auto-on function for one main video door unit camera: The user can select auto-on function on the master door unit (ID=) and switch onto the other cameras connected to the device by pressing the auto-on button on the apartment station. The device is not reset at the end of the display cycle. If a new cycle is started, the camera following the last camera in the previous cycle will be displayed. In addition to the 4 control signals, the device is equipped for this purpose with an input terminal (T) which can be connected to a button for switching the 4 inputs in turn onto the output independently with respect to the control signals (RE, RF, RG and RH). The number of inputs which can be switched in turn by pressing button T can be programmed by means of specific jumpers (from to 4 inputs). A jumper must be connected between RES and 0V terminals if button T is not used. TECHNICAL SPECIFICATI Power voltage (+V, 0V): Uptake: Dimensions (L x W x H): Maximum distance between button contacts and terminals (T, RES, 0V): VIDEO SWITCH 4 IN - OUT Ref. 038/69 TECHNICAL SPECIFICATI 6 5Vcc 0mA 8 x 4 x 5mm R Camera power input (positive) +V Device power input (positive) 0V Device power input (ground) I Coax video signal input - video door phone unit V5 Video signal ground input (sheath) - video door phone unit TC Camera power output - video door phone unit RE Video relay control input - video door phone unit I Coax video signal input - video door phone unit V5 Video signal ground input (sheath) - video door phone unit TC Camera power output - video door phone unit RF Video relay control input - video door phone unit I3 Coax video signal input - video door phone unit 3 V5 Video signal ground input (sheath) - video door phone unit 3 TC3 Camera power output - video door phone unit 3 RG Video relay control input - video door phone unit 3 I4 Coax video signal input - video door phone unit 4 V5 Video signal ground input (sheath) - video door phone unit 4 TC4 Camera power output - video door phone unit 4 RH Video relay control input - video door phone unit 4 I5 Coax video signal input (for cascade connection; de-energised passing through U terminal) V5 Video signal ground input (sheath) U Coax video signal output V5 Video signal ground output (sheath) T Button input 0V Button ground RES Reset input Set the jumper on the device to the position shown in the table according to the number of cameras used: NR. OF JP JP JP3 FUNCTI CAMERAS - - Video signal switch I I Video signal switch I I I (*) Video signal switch I I I3 I4 (*) Factory presetting. 300m 4 sec.5a GO! - Technical manual

5 ADDITIAL POWER SUPPLY Ref. 789/ TECHNICAL SPECIFICATI - Vdc VOLTAGE ADAPTER FOR SECDARY CAMERA Ref. 840/44 INSTALLATI - TECHNICAL SPECIFICATI - WIRING DIAGRAM Ref. 789/ Ref. 840/44 ADDITIAL POWER SUPPLY Ref. 789/ 75 mm 90 mm 96 mm Sch. 789/ 6 mm (7 DIN modules) Power unit Ref. 789/ is used to power additional surveillance cameras in the main calling station. The power supply unit can be installed on a DIN rail, or can be wall mounted using screws and wall plugs. TECHNICAL SPECIFICATI Power supply: 30Vca ± 0% 50/60Hz 8VA Outputs: R 8Vdc out 0,65A int. RL 8Vdc 0,0A V 8Vdc 0,0A Protection: PTC thermistor (*) Temperature: -5 C +45 C Dissipated power after average working hour: 4,W (*) If the PTC thermistor cuts in as a result of overload, cut off mains voltage for at least 60 to reset the unit. Vdc VOLTAGE ADAPTER FOR SECDARY CAMERA Ref. 840/44 75 mm 36 mm ( DIN modules) Sch. 840/44 03 mm The adapter is used to reduce camera power voltage (8Vdc) supplied with power unit Ref. 789/ at a voltage of Vdc. This device can therefore be used to power surveillance CCTV cameras. The casing is made of self-extinguishing ABS plastic. INSTALLATI The device can be installed on the wall with the racket supplied or on a DIN bar. Lever as shown in the figure to access the connection clips. ADDITIAL POWER SUPPLY Vdc VOLTAGE ADAPTER FOR SECDARY CAMERA RL Continuous voltage output (positive) R Continuous voltage output (earth) R IN Rout switch on input (positive) R OUT Monitor supply output (positive) switch on from R IN V Continuous voltage output (positive) 0 } Power voltage input (30Vca) ~30 The connections are made using screw type terminal strips. The maximum cross-section of the wires accepted by the terminal strips is.5mm. TECHNICAL SPECIFICATI Power supply: 8 Vcc Output: Vcc ±% 0,5A continuous 0,3A intermittent 3W max. WIRING DIAGRAM MAINS~ COAX WIRE POWER SUPPLY Ref.789/ R- OUT ADAPTER Ref.840/44 black/white black TV-Camera TVCC GO! - Technical manual sec.5a 5

6 Ref. 788/ Ref. 090/850 CALL REPEATER AUXILIARY RELAY Ref. 788/ INSTALLATI - WIRING DIAGRAM SUPPLEMENTARY POWER UNIT Vdc 5Vdc Ref. 090/850 TECHNICAL SPECIFICATI - INSTALLATI CALL REPEATER AUXILIARY RELAY Ref. 788/ SUPPLEMENTARY POWER UNIT Vdc 5Vdc Ref. 090/850 CALL REPEATER AUXILIARY RELAY SUPPLEMENTARY POWER UNIT Vdc 5Vdc 60 mm Sch. 788/ CH- 0L C NC NA +L + CH+ 50 mm Device Ref. 788/ can be used for the call repeat function. In all other types of systems, simply connect the call signal: in this case, the device will close the relay contact, repeating the call pattern in time. 5 mm Output contacts for resistive load switchover up to A -4V. INSTALLATI The device can be fastened to the wall or to other devices by means of the two holes on the casing tables (screws not provided). 45 mm 63 mm 69 mm 65 mm (4 DIN modules) The Ref. 090/850 power unit supplies voltage at Vdc or 5Vdc. Remove the jumper between terminals P and P to obtain 5Vdc voltage output. The output voltage will be Vdc if the jumper is not removed. TECHNICAL SPECIFICATI Power supply: 30Vca ±0% 50/60Hz 6W Uptake: max 30mA Output: Vout= Vdc 0,8A (with jumper P - P) default Vout= 5 Vdc 0,8A (without jumper P - P) Protection: Thermoprotector PTC (on secondary) (*) Weight: 300g Temperature: -0 C +40 C Sch. 788/ (*) If the PTC thermal cutout is tripped due to overload, cut off mains voltage for at least 60 to reset the power supply unit. INSTALLATI WIRING DIAGRAM S- S+ SV4-038 The connections are made using screw type terminal strips. The maximum cross-section of the wires accepted by the terminal strips is.5 mm. The casing is made of self-extinguishing ABS plastic. The power unit and circuit breaker may be fitted on DIN bar or on wall with two bolts. CALL REPEATER RELAY Ref.788/ +L + CH- 0L CH+ NC C NA ~ CP 30 0 P P Vout Ref.090/850 POWER SUPPLY LOAD 4V=/A Floor call button POWER ~0 } Mains 30Vac ~30 Vout } Vdc or 5Vdc power output P } Jumper connection to change output voltage P 6 sec.5a GO! - Technical manual

7 LOCK RELEASE TIMER Ref. 03/8 TECHNICAL SPECIFICATI RS3 - RS485 INTERFACE Ref. 08/53 TECHNICAL SPECIFICATI Ref. 03/8 Ref. 08/53 LOCK RELEASE TIMER Ref. 03/8 RS3 - RS485 INTERFACE Ref. 08/53 75 mm 90 mm 7 mm (4 DIN modules) The Ref. 03/8 devices are used to time the powering of an electrical lock. Electrical locks can be: Directly activated by capacitance discharge. Activated by capacitance discharge and 50mA hold current. Safety electrical locks. The device can be fastened to the wall or to other devices by means of the two holes on the casing tables (screws not provided). TECHNICAL SPECIFICATI Voltage on +4: 7Vdc Voltage on +/~: 0 5Vdc/ac Continuous current from AP: 5 70mA Timing range: 30 Sec ±0% Temperature: C Max. resistive commutable charge: 0A with 4Vdc 0A with 0Vac Max. voltage for switching: 40Vac/0Vdc Max. resistive commutable power: 400VA with 40Vca 300W with 0Vdc Maximum load at Vdc: 00mA +4 Voltage input 7Vdc +/~ Voltage input 0 5Vdc or 0 5Vac -/ ~ Common wire -/ ~ Common wire SE Timer adjust input; its activation is possible by connecting it to the voltage common wire AP Door release output NO Contact normally open NC C DISPLAY LED LI on: LED LO on: Contact normally closed This one is common for NC/NO, it is normally connected to the voltage common wire input SE is active the relay output is active JUMPERS AND ARRANGEMENTS AR: Possibility of recycle. AMCR: Possibility of connecting the common wire of the relay. TIME: Potentiometer for programming the delay of the activation of the output relay; the max. delay may be obtained by turning the potentiometer clockwise. With jumper AR to NO position: the timer will operate the relay output when external command SE is received only for the time set on the trimmer, regardless of whether the input signal continues or not. With jumper AR in YES position: timer will operate the relay output for the minimum programmed time: the output will remain active if the input signal SE lasts longer than the programmed time. 99 mm,5 mm D(A) D(B) T(A) T(B) 6 D ( A ) D ( B ) T ( A ) T ( B ) G N D 6 R S48 5 PSM-ME-RS3/RS485-P R S 3 Ord.-Nr.: ,6 mm The Ref. 08/53 interface must be used to connect the GO! call module with repertory Ref. 08/3 or Ref. 08/4 to a remote programming device (modem Ref. 08/5 or PC). 4Vdc/ac power terminals 6 4V 0V RS RS485 D(A) D(B) T(A) T(B) 6 Data reception LED on RS3 (RD) 3 LED power supply 4 RS3 line connector 5 RS485 line terminals 6 Data transmission LED on RS3 (TD) TECHNICAL SPECIFICATI Power supply: 4Vdc/ac +/- 0% Uptake: 85mA Temperature: 0 50 C LOCK RELEASE TIMER RS3 - RS485 INTERFACE GO! - Technical manual sec.5a 7

8 RS3 - RS485 INTERFACE Ref. 08/53 INSTALLATI AND CFIGURATI The device is ready for installation on DIN bar. Proceed as follows: Connect RS3 line as shown in the following figure: RS3 - RS485 INTERFACE Ref. 08/53 INSTALLATI AND CFIGURATI DIP SWITCHES Lever with a screwdriver on both sides as shown in the figure to access the converter dip switches: D(A) D(B) T(A) T(B) 6 D ( A ) D ( B ) T ( A ) T ( B ) 6 R S PSM-ME-RS3/RS485-P RS 3 Ord.-Nr.: D(A ) D(B) T(A ) T(B ) D ( A ) D(B ) T ( A) T ( B) G N D 6 R S PSM-ME-RS3/RS485-P R S 3 Ord.-Nr.: The device type dip switch must be set according to the device to be used for programming. DCE (up) for centralised remote programming with modem (default). DTE (down) for local centralised programming via PC. Connect the RS3 line between the programming device and the Ref. 08/53 interface as follows: TxD RxD CTS RTS DTR DSR Max. 5m TxD RxD CTS RTS DTR DSR Line terminal (leave in the position) Device type dip switch DTE Ref. 08/53 Programming device 4V 4V } 4Vdc/ac power supply input 0V 0V } Reference earth for power D(A) D(B) T(A) T(B) Data reception line negative (RS485) connect to terminal A of calling modules Data reception line positive (RS485) connect to terminal B of calling modules Data transmission line negative (RS485) connect to terminal A of calling modules Data transmission line positive (RS485) connect to terminal B of calling modules Do not use Do not use A AWG twisted wire must be used to connect the RS485 line. To terminate the RS485 data line, connect a 50Ω resistor between terminals A and B of the last calling module. Transmission parameter dip switch The transmission parameters must be left in the following positions: DIP DIP DIP 3 DIP 4 DIP 5 DIP 6 DIP 7 DIP 8 8 sec.5a GO! - Technical manual

9 POWER PROTECTI DEVICE 30Vac 4000VA Ref. 33/85 INSTALLATI - TECHINCAL SPECIFICATI - WIRING DIAGRAM POWER FILTER 30Vac 4000VA Ref. 33/86 INSTALLATI - TECHINCAL SPECIFICATI Ref. 33/85 Ref. 33/86 POWER PROTECTI DEVICE 30Vac 4000VA Ref. 33/85 POWER FILTER 30Vac 4000VA Ref. 33/86 03 mm 36 mm ( DIN modules) 90 mm This is a voltage surge varistor power line protection device. The device immediately trips to limit amplitude and preserve the devices installed downstream to the device in the presence of voltage surges generated by atmospheric events.install a power line filter 30V 4000VA Ref. 33/86 downstream to the power protection device to ensure better system operation. Level of protection: as per standard IEC and A: class III with Uoc 6 kv. 03 mm 36 mm ( DIN modules) 90 mm This is a two-cell,high-attenuation,one-phase filter for frequencies >0. MHz active on common and differential mode interference. The device is intended to prevent the propagation of external radiofrequency interference on the power mains which could cause faults in the electrical and electronic devices connected to the mains. Install a power line protection device 30V 4000VA Ref. 33/85 upstream to the power filter to ensure better system operation. POWER PROTECTI DEVICE 30Vac 4000VA POWER FILTER 30Vac 4000VA INSTALLATI The device must be fastened on a DIN bar in a closed electrical panel. Check electrical connections before powering the circuit. Locate the phase wire with a power phase finder connected to terminal, IN side. IMPORTANT The device must be protected by fitting appropriate restricted earthfault protection with current flow equal to 8 A and differential switch with opening current equal to 30mA. The protection device must be connected to earth. Device efficacy will be better at lower earth system resistance. For this reason,the system must comply with standards CEI 64-8/ V edition 0/00 booklet 590. Implement specifications in CEI 64-8/4 edition 0/998 booklet 434 on safety. INSTALLATI The device must be fastened on a DIN bar in a closed electrical panel. Check electrical connections before powering the circuit. Locate the phase wire with a power phase finder connected to terminal, IN side. IMPORTANT The device must be protected by fitting appropriate restricted earthfault protection with current flow equal to 8 A and differential switch with opening current equal to 30mA. The power filter device must be connected to earth.filter efficacy will be better at lower earth system resistance. For this reason, the system must comply with standards CEI 64-8/ V edition 0/00 booklet 590.Implement specifications in CEI 64-8/4 edition 0/998 booklet 434 on safety. TECHINCAL SPECIFICATI Power protection with tripping tension 300 Veff. On two self-extinguishing DIN modules. Nominal voltage: Maximum voltage: Maximum current: Working frequency: Temperature range: WIRING DIAGRAM N L EARTH MAIN~ Ref.33/85 PROTECTI IN Ref.33/86 FILTER = PHASE OUT = NEUTRAL EARTH 30Vac 55Vac 0A 50Hz 4000VA -5 C +40 C N L UTILITY TECHINCAL SPECIFICATI One-phase, two-cell, high-attenuation filter for common and differential interference f >0.Mhz. On two self-extinguishing DIN modules. Nominal voltage: 30Vac Maximum voltage: 55Vac Working frequency: 50Hz Attenuation: 60dB frequency MHz Maximum current: 0A 4000VA Temperature range: -5 C +40 C See power line protection wiring diagram Ref. 33/85. GO! - Technical manual sec.5a 9

10 E AND TWO FAMILY VIDEO KIT SINTHESI DOOR UNIT FRT PANEL REPLACEMENT - E-FAMILY KIT PROGRAMMING KIT WITH VIDEO DOOR PHE ANSWERING SERVICE Ref. 78/56 PROGRAMMING E AND TWO FAMILY VIDEO KIT E AND TWO FAMILY VIDEO KIT The video kits can be used to make basic systems for one- and twofamily users. The kits consist of the following devices: Kit Ref. 78/60 Kit Ref. 78/5 Kit Ref. 78/56 Kit Ref. 78/5 Kit Ref. 78/50 Kit Ref. 78/50 Kit Ref. 78/53 Kit Ref. 78/53 Kit Ref. 78/5 DEVICES GO! system power unit Ref. 08/0 Module holder and frame Ref. 45/6 Flush-mounting box Ref. 45/5 Camera and door unit with buttons Mod. Sinthesi Ref. 08/7 button front frame Ref. 745/07 Camera and door unit with buttons Mod. 8 Ref. 08/0 Video distributor Ref. 08/5 Utopia video door phone Ref. 703/ Bracket for video door phone Utopia Ref. 703/8 Atlantico video door phone Ref. 70/ Bracket for video door phone Atlantico Ref. 70/8 Artico video door phone Ref. 705/ Bracket for video door phone Artico Ref. 705/8 Folio video door phone Ref. 706/ Flush-mounting box for Folio video door phone Ref. 706/60 and plasterboard kit Ref. 706/6 Video door phone answering service Ref. 08/88 Atlantico video door phone Ref. 70/40 Bracket for video door phone Signo Ref. 740/8 Signo video door phone Ref. 740/ Refer to the instructions provided with each component described in the various sections of the manual for installation and programming the video kit. SINTHESI DOOR UNIT FRT PANEL REPLACEMENT For one-family kits with Sinthesi door unit, remove the front panel with buttons from the 08/7 camera unit and insert the button panel Ref. 745/07. Ref. 08/7 Ref. 745/07 E-FAMILY KIT PROGRAMMING Change the user code by shifting switch 5 to the on position on the video door phone bracket. Z CODE 345 INT KIT WITH VIDEO DOOR PHE ANSWERING SERVICE Ref. 78/56 PROGRAMMING Simply set the dip switches on the video door phone and on the power supply to configure the Ref. 78/56 kit. Keep the default settings for all the other devices. VIDEO DOOR PHE Set switch 5 to the position. SYSTEM POWER UNIT Set switch to the position. Z INT CODE 0 sec.5a GO! - Technical manual

11 E AND TWO FAMILY VIDEO KIT E- AND TWO-FAMILY CNECTI KIT DIAGRAM CNECTI DIAGRAM OF KIT WITH VIDEO DOOR PHE ANSWERING SERVICE E- AND TWO-FAMILY CNECTI KIT DIAGRAM CNECTI DIAGRAM OF KIT WITH VIDEO DOOR PHE ANSWERING SERVICE IN/OUT DER E USER DISTRIBUTOR S- S+ CP Only for one family kit 0 S- S+ CP Floor call button CP S+ S- MMS ~ ~0 Video memory module Ref.08/88 Line~ SV Video door phone Mod.Folio Ref.706/ Transformer E AND TWO FAMILY VIDEO KIT 4 Floor call button 3 Ref.08/0 Video power supply (V.004) 4 3 Ref.08/0 VIDEO POWER SUPPLY 0 ILL 0 30 Line~ (V.004) (VX.008) ~ CAMERA MODULE WITH KEYS AND LOUDSPEAKING UNIT ILL TC Lock release SP PA TST V3 V5 T SE- SE+ EXP TC Lock release SP PA TST V3 V5 T SE- SE+ EXP ELECTRIC LOCK ELECTRIC LOCK GO! - Technical manual sec.5a

12 Ref. 08/90 Ref. 08/94 MULTIPOLAR WIRE FOR GO! SYSTEMS Ref. 08/90 MULTIPOLAR WIRE FOR CALING MODULES Ref. 08/94 MULTIPOLAR WIRE FOR GO! SYSTEMS Ref. 08/90 Use of wire Ref. 08/90 is recommended for connecting the various devices in the system to obtain the best system performance. Features of the wire Ref. 08/90 are: Multipolar wire with twisted pair and flameproof PVC outer sheath. Wire cross-section area equal to mm. Pair impedance: 00 Ohm. The wire is provided in 00 metre reels. MULTIPOLAR WIRE FOR CALING MODULES Ref. 08/94 In systems with more than 3 users in which two power units must be connected to the same calling module, the use of a four-wire cable Ref. 08/94 is recommended. The cable consists of two double wires with the following features: Multipolar wire with twisted pairs and flameproof PVC outer sheath. Wire cross-section area equal to mm. Pair impedance: 00 Ohm. The wire is provided in 00 metre reels. MULTIPOLAR WIRE FOR GO! SYSTEMS MULTIPOLAR WIRE FOR CALING MODULES sec.5a GO! - Technical manual