54
2-WIRE IDSL LINE DRIVER RACK CARDS
D.5.1 C
ONNECTING TO A
G.703 PCM N
ETWORK
C
HANNEL
The 120-ohm RJ-45 port on a G.703 rear card is pre-wired for direct connection to
the G.703 PCM network. Connect the RJ-45 jack provided by your digital service
carrier to the 120-ohm G.703 interface on the card using a straight-through
twisted-pair cable between 19 and 26 AWG (0.4 mm to 0.9 mm, inversely). To be
sure you have the correct wiring, refer to Figure D-4
Figure D-4. 120-ohm RJ-45 G.703 interface.
- - - - - - - - - - - - - 1 (RX+)
- - - - - - - - - - - - - 2 (RX-)
- - - - - - - - - - - - - 3 (Not connected)
- - - - - - - - - - - - - 4 (TX-)
- - - - - - - - - - - - - 5 (TX+)
- - - - - - - - - - - - - 6 (Not connected)
- - - - - - - - - - - - - 7 (Not connected)
- - - - - - - - - - - - - 8 (Not connected)
