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Connecting The Stations
Connections between the telephone stations and the common equipment station boards are typically via type
66M-xx connector blocks that are cable connected to 50-pin male connectors on the station boards.
The American Wire Gauge (AWG) size of the station wiring determines the maximum distance allowed from the
common equipment to the stations. The following chart details this relationship.
Station Type
Wire Gauge
20 AWG
22 AWG
24 AWG
Digital Telephone
2500 Feet
2000 Feet
1500 Feet
If spare conductors exist in the cables that you run between the station boards and the 66M-xx connector blocks, it
is a good practice to connect the spare conductors to earth ground. Doing this may help prevent the spare
connectors from inducing radio frequency and/or AC interference into the system.
Remember, you should snap a ferrite collar around each station cable to provide protection against radio
frequency interference.
Installing DSS/BLF Consoles
Install a DSS/BLF Console at any station port in the system as a companion to a system telephone.
•
The FX System supports a maximum of four consoles for each telephone and there is no limit to the maximum
number of consoles that you can install on a system. Typically, the console capacity is equal to one-half of the
total station capacity of the system.
•
The installed distance limit between the station board and the console is the same as that allowed for a digital
telephone.
When you install a DSS/BLF console, you must program define the station port as a console port.
6 Connecting The Stations
IMI89–267
Installing The Digital Station Board