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76Configuring ISDN BRI hardware
Note 1: Power Source 1 (PS1): Up to 2 Watts of power is supplied by the SILC to the terminals on the DSL. This power is simplexed over the TX and RX pairs provided by
Note 2: Power Sink 2 (PS2) provides an optional means of powering the terminal from a common supply in the wiring closet.
Note 3: Power Source 3 (PS3) provides the power from the terminal to the NT1 if the NT1 does not have a local power source.
U interface specification
The U interface uses a
The connector pin assignments for the jack and the plug are shown in Table 18 "U interface connector specification" (page 76). The table also shows signal names for each interface pin at the UILC and at the terminal.
Table 18
U interface connector specification
| RJ45 jack | UILC |
Pin number | pin signal name | signal name |
|
|
|
1 | Not used | No connection |
2 | Not used | No connection |
3 | Not used | No connection |
4 | Tip or Ring | Tip or Ring |
5 | Tip or Ring | Tip or Ring |
6 | Not used | No connection |
7 | Not used | No connection |
8 | Not used | No connection |
|
|
|
Procedure 23
Connecting the ISDN BRI terminals to the DSL
Step Action
1Plug one end of the modular cable into the ISDN BRI interface connector on the terminal. Plug the other end of the modular cable into the telephone outlet.
2If the SILC S/T interface has an optional auxiliary power source, plug the power source into the wall outlet and then the
Nortel Communication Server 1000
ISDN Basic Rate Interface Installation and Commissioning
Release 5.0 20 June 2007
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