RMB-3 Peripheral Unit. Installation Guide INSTALLATION GUIDE WESTELL.COM. Westell Technologies Part # Rev. A

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1 RMB-3 Peripheral Unit Installation Guide INSTALLATION GUIDE Westell Technologies Part # Rev. A

2 Copyright 2017 by Westell Technologies. All Rights Reserved. The material discussed in this publication is the proprietary property of Westell Technologies, which retains all rights to reproduction and distribution of this publication. Kentrox is a registered trademark of Westell. All other product names are trademarks or registered trademarks of their respective owners. Information published here is current as of this document s date of publication, but is subject to change without notice. You may verify product information by contacting our headquarters. Westell is an Equal Opportunity/Affirmative Action employer. Westell, Inc. 750 North Commons Drive Aurora, IL USA Toll Free: (800) International: +1 (630) Fax: +1 (630) Technical Support: , option 2 (8 a.m.-6 p.m. Eastern time; follow prompts for after-hours service) Technical support support@westell.com Online Support Portal (Product Documentation Library): (Register for access. Click on Documentation Library. ) Page 1

3 RMB-3 Peripheral Unit Installation Guide This installation guide explains how to install RMB-3 peripheral units. RMB-3 peripheral units are managed by Remote RMX-3200, Remote RMM-1400, Remote RMM-800, or Remote RMC-700 devices. Instructions for configuration of this product are detailed in the following documents: Remote RMX-3200 Command Reference Guide Remote RMX-3200 Configuration Guide Remote RMM-1400 Command Reference Guide Remote RMM-1400 Configuration Guide Remote RMM-800 and Remote RMC-700 Command Reference Guide Remote RMM-800 and Remote RMC-700 Configuration Guide Refer to Product Documentation to access these and other Westell documents. Guide to this document RMB-3 Product Components Cautions and Warnings Customer Assistance Required Items Installation Technical Specifications Page 2

4 RMB-3 Product Components RMB-3 Product Components Front Panel Components, left side Ground bar seat (see inset below) Protection Module Positions Ground bar stud positions (lug attaches here) Chassis Ground (ring terminal attaches here) Dry Contact Inputs Protection Module ground bar Installs onto RMB-3 case Module Mounting Studs 1-4 Surge Protection Modules Install on ground bar face and plug into 4 dry contact inputs 5-Pin Gas Discharge Tube Protectors Up to 4 Plug Into Each Protection Module Front Panel Components, right side Dry Contact Inputs Ethernet ports 4-20 ma Analog Current Input Common 24VDC Power Output 5VDC Power Output Wrist Strap Pierced Lug Terminal Relay Outputs See Pinouts on page 4 Dry Contact Inputs SiteBus Connection 0-10 VDC Analog Voltage Input Common 24VDC Power Output 5VDC Power Output DC Input Power LED DC Power Input Page 3

5 RMB-3 Product Components Pinouts SiteBus Port Ethernet Ports Illuminates when a link is established Blinks when data transfer is active Pin Signal Pin Signal Direction 1 No connection 1 RX+ Input RX- Input 3 No connection 3 TX+ Output 4 data 4 Termination 5 ground 5 Termination 6 No connection 6 TX- Output 7 No connection 7 Termination 8 No connection 8 Termination Dry Contact Inputs RMB-3 provides 24 dry-contact bistate inputs with ground terminals. The inputs numbered 1 through four groups of four -- line the bottom left of the RMB-3 front panel. Each of these 16 inputs can be shielded from inter-building lightning strikes with gas discharge tube protectors plugged into Surge Protection Modules that install over these inputs (see Figure 1). Inputs 17 through 24 are on the RMB-3 front panel left of the two Ethernet ports, and are not surge-protected. A two-position connector is used to connect wires to each dry contact. Surge Protection Modules Surge Protection Modules add inter-building lightning surge protection to up to 16 dry-contact inputs on each RMB-3. One to four optional Surge Protection Modules can be installed to safeguard drycontact inputs The optional Protection Module Ground Bar must be installed first in the case recess above inputs The Surge Protection Modules can be seated in any of four positions above inputs The modules slide over pairs of studs protruding from the ground bar, and are secured with screws in each stud. Male connectors protruding from the lower back of each Protection Module plug into four dry-contact inputs. The Gas Discharge Protectors plug into the upper front of the Protection Module. A two-position cable entry plug goes into dry-contact input openings on the lower front of each module to connect wires. A label supplied with the Protection Modules marks each input number on the lower face of the Protection Module. Page 4

6 RMB-3 Product Components Figure 1 shows an RMB-3 with two Surge Protection Modules and eight Gas Discharge Protectors installed. Note: The Gas Discharge Protectors supplied with the RMB-3 might be black or another color other than red, unlike those shown in the photographs in this guide. Chassis ground connection Protection Module ground bar Gas Discharge Tube Protectors Ground bar studs Torx screws Ground bar studs (lug connection) Two Protection Modules (Cable entry plugs installed on Protection Modules) Two Unused Protection Module seats (Cable entry plugs uninstalled) Ethernet Ports Figure 1 Left side of RMB-3 with two Protection Modules installed The Ethernet ports are labeled 1 and 2. One is used to connect the RMB-3 to its host Remote. The other Ethernet port accommodates daisy-chaining to additional RMB- 3s or other network devices, expanding the I/O capacity. Any ethernet cables leaving the enclosure should be surge-protected. Green LEDs on each Ethernet port show connection status. See Pinouts on page 4. SiteBus Connection The RMB-3 s SiteBus Connection can be used to connect to digital temperature and humidity sensors or other one-wire sensors. Up to 12 one-wire sensors can be connected to the SiteBus interface. Analog Current Input A single 4-20 ma analog current input labeled I is in the left position of the upper four-position cable entry plug (labeled 1) between the SiteBus Connection and the upper Relay Output. The analog current input is to the left of the Common entry (labeled C). See Front Panel Components, right side. Page 5

7 RMB-3 Product Components Analog Voltage Input A single 0-10 VDC analog voltage input labeled V is in the left position of the lower four-position cable entry plug (labeled 2) between the SiteBus Connection and the lower Relay Output. The analog voltage input is to the left of the Common entry (labeled C). See Front Panel Components, right side. 24 VDC Power Outputs Dual 24VDC Power Outputs are in the center right positions of the upper and lower four-position cable inputs between the SiteBus Connection and the Relay Outputs. The upper 24VDC Power Output is labeled, and the lower 24VDC Power Output is labeled 24. In each block, the 24 VDC Power Outputs are between the Common inputs (labeled C) and the 5V Power Outputs. See Front Panel Components, right side. 5VDC Power Outputs Dual 5VDC Power Outputs are in the right positions of the upper and lower fourposition cable inputs between the SiteBus Connection and the Relay Outputs immediately to the right of the 24VDC Power Outputs. The upper 5VDC Power Output is labeled, and the lower 5VDC Power Output is labeled 5. See Front Panel Components, right side. Control Relay Outputs Dual Control Relay Outputs occupy the upper and lower three-position cable inputs immediately to the right of the upper and lower four-position cable inputs described above. Each is labeled NC (normally closed), C (common), and NO (normally open). See Front Panel Components, right side. Wrist Strap Lug Terminal Connection A hex lug connection for a grounding wrist strap is on the right edge of the front of the RMB-3. DC Power Input The DC Power Input is at the lower right corner of the front of the RMB-3. The power wires connect to a two-position cable input secured with screws on each side. See Front Panel Components, right side. The RMB-3 requires a maximum of 8.3W while providing 100 ma at 24VDC and 50 ma at 5VDC. The green LED to the left of the DC power input illuminates when the RMB-3 is powered. Page 6

8 Cautions and Warnings Cautions and Warnings Grounding and Electrical Safety Installation CAUTION: Westell equipment and peripherals contain electrostatic sensitive components. Proper handling, shipping, and storage precautions must be exercised. CAUTION: For Westell equipment to operate safely and correctly, there must be a safety ground strap between the equipment ground bolts and the office ground. CAUTION: The RMB-3 has two ground connections if the Protection Module ground bar is installed (refer to Figure 1). The chassis ground stud protrudes into the recess from the left side of the chassis (outfitted with a vinyl insulated ring terminal secured with a 5/16 OD Keps nut). If the Protection Module ground bar is installed, the two protruding studs on the lower left face of the RMB-3 need to be connected to a ground lug. Both of these grounds can be connected to the same ground bus. Environment CAUTION: In the event that RMB-3 has been subjected to adverse environmental conditions, a service inspection of RMB-3 should be made to ensure safe operation. Restricted Access Locations CAUTION: The RMB-3 is for use in restricted access locations only. FCC The Federal Communications Commission has set limits for emitted radio interference, and RMB-3 is constructed with this electromagnetic interference (EMI) limitation in mind. RMB-3 is classified under FCC regulations as a Class A device, that is, a device for use in commercial environments and not in residential areas. This device has been tested and shown to comply with the following FCC rule: Part 15 Subpart J. Operation of this equipment in a residential area may cause interference to radio and TV Page 7

9 Cautions and Warnings reception, requiring the user to take whatever steps are necessary to correct the interference. Information is available from the FCC describing possible corrective actions. To maintain low EMI levels, we suggest that you use only metal connectors and shielded cable grounded to the frame. Specifications are subject to change without notice. Page 8

10 Customer Assistance Customer Assistance All customers, partners, and resellers who have a valid Westell Support and Services Agreement have complete access to the technical support resources. Pre-sales Support Westell offers pre-sales technical support from 9 a.m. to 5 p.m. Eastern time, Monday - Friday. Representatives are standing by to assist with customer account information and product ordering and answer questions regarding Westell products and solutions. Phone number: , option 1 Before you call or Before you contact Westell for assistance, please have the following information available: The versions of hardware and software you are currently running The error number and exact wording of any messages that appeared on your screen What happened and what you were doing when the problem occurred How you tried to solve the problem Technical Support support is available. You may send at any time during the day; however, responses will be provided only during normal business hours, in accordance with your Service and Support Agreement. To contact Technical Support, send to: support@westell.com Telephone Technical Support Available to qualified Westell customers or partners who have not been able to resolve their technical issue by using our online services. To qualify for support, you must have a valid Support and Services Agreement. Phone number: , option 2 Normal Business Hours: 8 a.m. to 6 p.m. Eastern time After-Hours Support: Available to qualified customers who are experiencing serviceaffecting outages that cannot wait until the next business day. To qualify for after-hours support, you must have a valid 24x7 Support and Services Agreement. Call the number above, option 2, and follow the prompts for after-hours service. Page 9

11 Customer Assistance Product Documentation You can access and view the most current versions of Westell product documentation on our web site at: Select Support Portal from the Services & Support menu. The Documentation Library is part of the Support Portal. Page 10

12 Required Items Required Items Tools Materials #1 Phillips screwdriver #2 Phillips screwdriver 2mm flathead screwdriver (Phoenix 2 mm, recommended) 3mm flathead screwdriver (Phoenix 3 mm, recommended) T10 Torx (aka star ) screwdriver Crimping tool Wire cutter Wire stripper Grounding wrist strap 5/16 nut driver Screws, sized to fit your rack Screws and lock washers to secure mounting brackets to RMB-3 Wire for input power connections (16 AWG solid or stranded insulated) Wire for ground connections (14 AWG, copper conductor) Ground lugs for rack or other earth ground Antioxidant Various required rack cables and cable assemblies Page 11

13 Installation Installation Step 1: Install Host Remote The host Remote RMX-3200, Remote RMM-1400, Remote RMM-800, or Remote RMC- 700 needs to be installed prior to installation of the RMB-3. Follow the installation steps specified in the Installation Guide for the appropriate Remote model and/or the Westell Remote Installation Video series. Refer to Product Documentation to access installation guides and videos. (Optional) Step 2: Install Surge Protection Module Ground Bar Use of surge protection modules on RMB-3 is a recommended option. If surge protection modules are to be used, their underlying ground bar (Westell part # RMB- 3GB) needs to be installed first. This task is easier before the RMB-3 is mounted in a rack, particularly if other equipment is mounted. The ground bar s flat side fits against the rear of the recess on the left side of the RMB-3 cabinet. The protrusion with the ground lug connections seats on the lower left end of the recess. Secure the ground bar to the case with four T10 (star) screws through openings in the long side and one T10 screw between the two ground lug connections. Step 3: Attach Chassis Ground Wire Notes: For ground connections, use 14AWG or larger conductor. Apply an appropriate antioxidant to the bare conductors before crimping the connector to the connector mating surface. Attach the chassis ground wire of appropriate length to the chassis ground stud protruding inward from the left side of the RMB-3 cabinet using the ring terminal and 5/16 Keps nut. Orient the ring terminal pointing out from the cabinet as shown on the left side of Figure 1 and Figure 2. Tip: Tighten the chassis ground connection with a nut driver before installing any Surge Protection Modules. (Optional) Step 4: Install Surge Protection Modules One to four Surge Protection Modules can be installed on the four seats above dry contact connections 1-16 (see Front Panel Components, left side and Figure 1) using these steps: Line up the four male dry contact cable entry plugs on the lower rear of the module with the corresponding female dry contact inputs. At the same time, line up the two openings in the top rear of the module with the pair of studs protruding from the ground bar. Page 12

14 Installation Tip: Place the RMB-3 on its back side, face up, on a firm flat surface so the modules can be installed by pushing them straight down onto the RMB-3. Gently slide the module together with the RMB-3 until it is fully seated against the cabinet and ground bar. The dry contact connectors must be fully engaged and the ground bar studs must slide into the upper openings. Secure the module against the ground bar with two 1/4 #2 Phillips screws in the ground bar studs through the upper openings. Attach two-position cable entry plugs in the dry contact inputs on the front of the module. Stick the appropriate label (Westell part # ) to each module above the cable inputs to identify the dry contacts by the correct numbers. Insert 5-pin Gas Discharge Tube Protectors into position above each dry contact which will be in use. Note: Protection modules add approximately 1.1 inches (2.95 cm) to the depth of the RMB-3. Step 5: Mount RMB-3 The RMB-3 is designed for installation in a 19-inch or 23-inch equipment rack using mounting flanges which attach to each side of the device. For 19-inch racks, orient the flanges with the long side against the RMB-3 as shown in Figure 2. The flanges can be shifted forward or backward and/or flipped to mount the RMB-3 flush with the rack front, forward, or recessed. Attach each flange securely with three screws and lock washers. For 23-inch racks, orient the flanges with the short side against the RMB-3. Follow the same steps as above. Mount the RMB-3 in the desired rack location with four screws. Figure 2 RMB-3 with mounting flanges oriented for flush mount in 19-inch rack Step 6: Connect Grounds Notes: For ground connections, use 14AWG or larger conductor. Apply an appropriate antioxidant to the bare conductors before crimping the connector to the connector mating surface. Page 13

15 Installation Connect the Chassis Ground using the ring terminal provided (see Front Panel Components, left side, and/or Figure 1). Connect the Ground Bar ground using the two-hole copper compression lug provided. Make both connections to a suitable ground such as the frame ground of a rack system or a reliable earth ground. CAUTION: The chassis ground must be connected to the same earthing electrode conductor as the DC supply system or to a bonding jumper (from an earthing terminal or bus) connected to the earthing electrode of the DC supply system. The chassis must be located in the same immediate area (such as adjacent cabinets) as other equipment connected to the same DC power system and earthing electrode conductor. The DC system cannot be earthed elsewhere. The DC power source must be located in the same premises as the chassis. No switching or disconnecting devices can occur between the earthed conductor of the DC source and the earthing electrode conductor. Step 7: Connect Remote to RMB-3 Use a standard CAT5 Ethernet cable (such as Westell part number CAB182-10) to connect a Westell Remote Ethernet port to the Ethernet port on RMB-3. Green LEDs on each Ethernet port show connection status. See Pinouts on page 4. Once the RMB-3 connection to the Remote is successful, the RMB-3 can be put into service as described in chapter Configuring the Peripheral Management Subsystem in your Remote model Configuration Guide. Step 8: Connect other RMB-3 Inputs and Outputs RMB-3 dry-contact connections, analog current and analog voltage connections, and relay connections all use cable entry terminals that plug into the front of the RMB-3 or its seated Protection Modules. All removable connectors support 16 to 20 gauge wire, stranded or solid. Westell recommends stranded conductor wiring for all inputs and outputs for reliability of connections which may be removed on occasion. Wires are inserted in the appropriate input and secured by tightening the corresponding screw on top of the plug. It may be easiest to unplug the terminal to insert and secure the wires. The installer can, as needed, gently pry a terminal out of its input using a small flathead screwdriver. Once the wires are secured, plug the terminal back into the correct input, and test the connection by gently tugging on each wire. Page 14

16 Installation CAUTION: Please contact Westell (Telephone Technical Support or Technical Support) prior to connecting any external wetting voltage source to the RMB-3. Make sure a functional 5-Pin Gas Discharge Tube Protector is installed above each drycontact input in use in Protection Modules. Refer to Surge Protection Modules. Connections to the Ethernet and SiteBus ports are made using a standard CAT5 Ethernet cables. The RMB-3 is designed so that one Ethernet port connects to the host Remote, and the other connects to another RMB-3 or other network device. RMB-3s can be daisy-chained together in this manner to expand I/O capacity as needed. The SiteBus port accommodates one-wire digital temperature and humidity sensors. Step 9: Connect DC Power Input WARNING: Turn off the power feed before connecting wires. CAUTION: A readily accessible disconnect device (suitably approved and rated) must be incorporated in the field wiring. Connect the input power feed to the two-position DC power input connector in the lower right corner of the RMB-3 (see Front Panel Components, right side) using the steps listed below. Be careful to observe polarity. Notes: Connect power connector to a reliably grounded +/-20 to 60 VDC safety extra-low voltage (SELV) source. Use 16 AWG copper conductors. Typical circuit fuse: 3 A To connect wires: 1. Turn off power feed. 2. Strip ends of wire 5/16 in. (7 mm). 3. (optional) Using a small flathead screwdriver, loosen screws on sides of power connector on the bottom right front of RMB-3. Remove the power connector as necessary. 4. Apply an appropriate antioxidant to the conductor surfaces. Then insert wires into the correct connector inputs and tighten the screws on top of the connector. 5. Replace and tighten the connector in the DC power input as necessary. Page 15

17 Installation When the above steps are complete, turn on the power supply. The green LED left of the DC power input illuminates when the RMB-3 is powered. Page 16

18 Technical Specifications Technical Specifications Specification Weight Size Mounting Operating Environment (Ambient) Power Input/Output Ports SiteBus Temperature Sensor Description Approx. 2.3 lb (1.035 kg) With ground bar and 4 Protection Modules: Approx. 3.3 lbs. (1.5 kg) Height: 1.67 in. (4.175 cm) Width: in. (42.38 cm) Depth: 3.9 in. (9.75 cm) Depth with Protection Modules: 5 in. (12.7 cm) Mounts in a standard 19-in. or 23-in. rack Temperature: -30 to 60 C (-22 to 140 F) Relative humidity: 0% to 95% (non-condensing) 8.3W max while providing VDC and 50 5VDC 24 dry-contact digital inputs. 16 dry-contact digital inputs with optional inter-building lightning surge protection provided by plug-in modules 1 analog voltage input: Range: 0 to 10 VDC (positive voltage only) Input impedance: greater than or equal to 1 mega Ohm Accuracy: +/-2% of full-scale 1 analog current input: Range: 4 to 20 ma DC Input impedance: 100 Ohm Accuracy: +/-2% of full-scale 2 control relay outputs: Contact rating: 30 VDC at 2 A resistive Contact type: Form C 1 SiteBus One Wire Interface: Up to 12 One Wire sensors 2 24VDC Power Outputs: 8.3W maximum while providing 100ma 2 5VDC Power Outputs: 8.3W maximum while providing 50ma Range: -55 to 125 C (-67 to 257 F) Accuracy: +/- 0.5 C from -10 to 85 C Page 17