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DEFINITY Enterprise Communications Server Release 6 | Issue 3 |
Installation and Test for Compact Modular Cabinets | May 1998 |
1 Install and Cable the Cabinets |
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Install the BRI Terminating Resistor | Page |
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Install the BRI Terminating Resistor
The resistors balance the cable plant between the receiver and the transmitter on the interface. When using the TN2198
The resistor is built into the NT1 and can be 1 of 3 values, depending on the configuration and the distance from the NT1 to the ISDN terminal. The resistor value is controlled from the NT1. A terminating resistor adapter may be needed near the terminal and can be placed in the satellite closet or work location.
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CAUTION:
The 440A4 terminating resistor and
■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 wires or terminals unless the telephone line has been disconnected at the network interface.
■Use caution when installing or modifying telephone lines.