Comdial Dxp Plus Instructions Manual
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Plug-In Power Line Surge Protectors Typical Earth Ground Power Cable Two Dedicated 117 VAC 15 Amp NEMA 5-15R Electrical Outlets With Third Wire Ground (Each Is Protected By Its Own Circuit Breaker.) PLUS038 Two 15 AMP Circuit Breakers Ganged Together Making the AC Power Connections Installing The DXP Plus Expansion Cabinet IMI66–106 Installing The DXP Plus Expansion Cabinet – 9
2.2 Measuring The Power Supply Voltages If you need to measure power supply voltages, you can do so at the voltage connector. Measure the power under the following conditions: ·AC line cord connected to the AC outlet, ·DC power cable disconnected from power supply’s DC voltage connector, ·AC power switch turned on. Measurement details are shown in the illustration. CAUTION Once you have measured the power supply voltages, turn off the AC power switch and disconnect the AC line cord from the AC outlet. Leave the AC power disconnected until you have installed the circuit boards in the main cabinet. 2.3 Identifying The Fuse The power supply fuse is aslow-blowtype rated at 8 AMPS and 250 VOLTS. A replacement fuse must have the same rating. IMI66–106 Installing The DXP Plus Expansion Cabinet 10 – Installing The DXP Plus Expansion Cabinet
Measuring The Power Supply Voltages Power Supply Measurements Measure Between Terminals Measured Values + Voltmeter Lead- Voltmeter Lead Pin 1 Pin 3 - 36 VDC +/- 1.0V Pin 5 Pin 7 + 5 VDC +/- .3 V Pin 6 Pin 7 - 5 VDC +/- .3 V Pin 8 Pin 70 volts = normal operation + 5 V nominal = thermal overload condition (press Reset switch) On = -36 VDC On = +5 VDC On = -5 VDC On = Thermal Overload On = Battery Backup Connected Pins 1 & 2 = -36 V Ground Pins 3 & 4 = -36 VDC Pin 5 = +5 VDC Pin 6 = -5 VDC Pin 7 = Digital & Analog Ground Pin 8 =Thermal Overload Signal On/Off Switch Fuse 8A, 250V Slow Blow Type Reset Switch (Press If Thermal Overload Indicator Turns On) Installing The DXP Plus Expansion Cabinet IMI66–106 Installing The DXP Plus Expansion Cabinet – 11
3.0 Installing Circuit Boards In The Expansion Cabinet CAUTION Circuit boards for the DXP Plus system are susceptible to damage caused by electrostatic discharge, and you must keep this fact in mind as you handle the circuit boards. Refer to the Comdial publication IMI01-005,Handling Of Electrostatically Sensitive Components, for general information. Specific handling precautions are also included in this installation instruction. Each circuit board is supplied in a static protection bag. Do not open a static protection bag prior to board installation time. The board slots are keyed so that only those boards that will operate from a particular slot will plug into that slot. The expansion cabinet provides a unique slot for the interface board and universal slots for the auxiliary boards line boards, or station boards. This publication provides installation instructions for the interface board. Since you will install line and station boards as well as auxiliary boards and other optional circuit boards on an as needed basis, each of these boards include its own installation instruction for your reference. 3.1 Creating A Static Safe Work Area When servicing the main or expansion common equipment cabinets at the installation location, it is a good practice to place a conductive mat in front of the cabinet area and ground the mat to a good earth ground. (The third wire ground of the AC power line is also an acceptable grounding point.) The grounded conductive mat provides a safe static electric discharge path. When removing a common equipment cabinet from the installation location for servicing, it is a good practice to prepare a static-safe work area on which to place the cabinet. You should supply yourself with a static discharge wrist strap, and wear it every time you handle electronic circuit boards either at the cabinet mounting location or at your work area. IMI66–106 Installing The DXP Plus Expansion Cabinet 12 – Installing The DXP Plus Expansion Cabinet
Typical Earth Ground Static Wrist Strap ESD Protective Mat ESD Protective Mat ESD Protective Worksurface Static 2 Common Point Ground Creating A Static Safe Work Area Expansion Cabinet Expansion Cabinet Earth Ground 1 Meg Ohm Resister Conductive MatStatic Discharge Wrist Stap Common Equipment Cabinet PLUS035 Providing Static Protection At The Cabinet Mounting Location Installing The DXP Plus Expansion Cabinet IMI66–106 Installing The DXP Plus Expansion Cabinet – 13
3.2 Installing The Interface Boards When you add an expansion cabinet to the main common equipment cabinet, you must install interface boards in both cabinets and route the accompanying cables through the cable access holes in the cabinets. You must install the nnnnn–M1 interface board in the main cabinet, the nnnn–X2 interface board in the upper expansion cabinet, and the nnnn–X3 interface board in the lower expansion cabinet. 1. Be sure that the AC power cord is not connected to an AC outlet and that the cable from the optional battery back-up assembly is not connected to the main cabinet power supply. 2. Install your static discharge wrist strap on your bare wrist; adjust it for a snug fit. Be sure that the strap is touching bare skin and is not isolated by clothing. Connect the wrist strap cord between the wrist strap and an AC or earth ground NOTE: With the common equipment in the installed position, the ground lug on the side of the cabinet is an appropriate grounding point since it should have a heavy ground wire connected between it and a good earth ground. 3. When you are ready to install the circuit board, remove it from its static protection bag. 4. Locate the proper board slot. Remember, the interface boards all plug into unique slots in their respective cabinets. 5. Orient the circuit board with its top and bottom guides in main cabinet board cage. and press the board firmly until its board edge connection properly mates with the connector on cabinet’s backplane. CAUTION When pressing circuit boards into place, press them only at the extractor lever locations. If you apply pressure at other locations you may damage the board assembly. 6. Repeat steps 3 and 4 until all circuit boards are installed. 7. Route the interface cables between the main and expansion cabinets. Be sure to thread the cables through the access holes in the cabinets. 8. Make a final inspection to ensure that all circuit boards are, oriented correctly and mated properly. 9. Install and tighten the supplied screws to secure the circuit boards to the board cage. 10. Place the system in operation and inspect the status lights for proper operation. Interface Board Status Light Condition Upper Expansion Cabinet Green Winking On = normal operation Green Steady On = option board in operation Lower Expansion Cabinet Green Winking On = normal operation Green Steady On = option board in operation Main Cabinet Green Winking On = normal operation Top Yellow Off, Top Red Off = normal operation Top Yellow On, Top Red Off = upper cabinet on battery power Top Yellow Off, Top Red On = upper cabinet out of service Bottom Yellow Off, Bottom Red Off = normal operation Bottom Yellow On, Bottom Red Off = lower cabinet on battery power Bottom Yellow Off, Bottom Red On = lower cabinet out of service IMI66–106 Installing The DXP Plus Expansion Cabinet 14 – Installing The DXP Plus Expansion Cabinet
Viewing The Interface Board Installation Interface Board Expansion Cabinet 1 Interface Board Main Cabinet Interface Board Expansion Cabinet 2 Interface Cable for Expansion Cabinet 2 Interface Cable for Expansion Cabinet 1 Interface Cable Access Holes (Two Places) Interface Cable Access Holes (Two Places) PLUS028 Installing The DXP Plus Expansion Cabinet IMI66–106 Installing The DXP Plus Expansion Cabinet – 15
Installing The Analog Station Board In The DXP Plus Digital Communications System 1.0 Introducing The Analog Station Boards The analog station board supports the operation of the ExecuTech model 66nnn and 67nnn analog multiline telephones. 1.1 Inventorying The Analog Station Boards There are two models of station boards available for use. ·Eight-station model supports eight ExecuTech multiline and single line proprietary analog telephones ·16-station model supports 16 ExecuTech multiline and single line proprietary analog telephones 1.2 Complying With Underwriters Laboratories Regulations Per The Underwriters Laboratories regulation 1459, 2nd edition, be aware of the following precautions when installing telephone equipment that is to be directly connected to the telephone company network: ·Never install telephone wiring during a lightning storm. ·Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. ·Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface. ·Use caution when installing or modifying telephone lines. R This manual has been developed by Comdial Corporation (the “Company”) and is intended for the use of its customers and service personnel. The information in this manual is subject to change without notice. While every effort has been made to eliminate errors, the Company disclaims liability for any difficulties arising from the interpretation of the information contained herein. The information contained herein does not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation, operation, or maintenance. Should further information be desired, or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, contact Comdial, Inside Sales Department, Charlottesville, Virginia 22906. Printed in U.S.A.IMI89-173.01 7/95
2.0 Installing Circuit Boards CAUTION Circuit boards are susceptible to damage caused by electrostatic discharge, and you must keep this fact in mind as you handle the circuit boards. Refer to the Comdial publication IMI01-005,Handling Of Electrostatically Sensitive Components, for general information. Specific handling precautions are also included in this installation instruction. 2.1 Creating A Static Safe Work Area When servicing the common equipment cabinet at the installation location, it is a good practice to place a conductive mat in front of the cabinet area and ground the mat to a good earth ground. (The third wire ground of the AC power line is also an acceptable grounding point.) The grounded conductive mat provides a safe static electric discharge path. When removing the common equipment cabinet from the installation location for servicing, it is a good practice to prepare a static-safe work area on which to place the cabinet. You should supply yourself with a static discharge wrist strap, and wear it every time you handle electronic circuit boards either at the cabinet mounting location or at your work area. IMI89–173 Installing The Analog Station Board 2 – Installing The Analog Station Board
Typical Earth Ground Static Wrist Strap ESD Protective Mat ESD Protective Mat ESD Protective Worksurface Static 2 Common Point Ground Creating A Static Safe Work Area Expansion Cabinet Expansion Cabinet Earth Ground 1 Meg Ohm Resister Conductive MatStatic Discharge Wrist Stap Common Equipment Cabinet PLUS035 Providing Static Protection At The Cabinet Mounting Location Installing The Analog Station Board IMI89–173 Installing The Analog Station Board – 3