GAI-Tronics MRTI 2000 (No. PL1877A) Microprocessor Radio Telephone Interconnect Installation & Service Manual - Manual (Page 16)

Installation PL1877A Microprocessor Radio Telephone Interconnect
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Rack-Mount Installation
The optional Model XAC0005A Rack-Mount Kit for the PL1877A is available from GAI-Tronics. It
includes a 19-inch rack-mounting bracket and other parts that can be used to mount one or two PL1877A
units (or tone/dc adapter) into a standard 19-inch rack. The kit includes hardware and complete
mounting instructions.
Installation Considerations
The electrical hook-up of the PL1877A requires these basic connections: the ground wire, radio interface
cable, and the power supply cable.
WARNING
Voltages hazardous to life may be present at the exposed control line terminals under certain conditions
during the following procedures. These voltages are also present on some component leads. Care should
be taken to avoid shock during installation.
Electrical Interface
All of the electrical connections to the PL1877A are made at the rear panel. Power to the console is
furnished through a 5-pin, DIN connector. The figure below shows the rear view of the PL1877A and
the locations of the various connectors.
DC Power Connector Pin Chart
Pin No. Wire Color Description
3 and 5 Red (+)
1 and 4 Black (-)
View of the PL1877A Back Panel with Connectors