09-05-2012 10:00 AM - edited 03-16-2019 01:02 PM
We have a client that will be dropping a PRI from an Avaya PBX to a 3241 ISDN gateway. I'm trying to confirm if the gateway's PRI receive pair occurs on pins 1&2 or 4&5.
Thanks,
Al Nobile
09-05-2012 10:51 AM
http://www.cisco.com/en/US/docs/routers/access/hardware/notes/marcabl.html
Figure 11 shows the RJ-48 connector wiring for the T1/E1 trunk cable and the digital voice port cable; Table 17 lists the pinouts.
Figure 11 RJ-48-to-RJ-48 T1/E1 Cable Wiring
Table 17 Pinouts for T1/E1 Trunk and Digital Voice Port (RJ-48)
Signal
1
RX + (input)
2
RX - (input)
3
—
4
TX + (output)
5
TX - (output)
6
7
8
1 Any pin not referenced on a connector is not connected.
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