The dual T1/E1 120 ohm adapter cable (P/N 83230) divides 8-pin shielded modular Dialogic® MD1 RJ-45 interfaces into two shielded modular RJ-48C interfaces.

Dual T1/E1 120 ohm adapter cables use the following pin assignments:
|
Dialogic® MD1 RJ-45 plug |
RJ-48C (A) |
RJ-48C (B) |
|
1: RxR1 |
1 |
|
|
2: RxT1 |
2 |
|
|
3: TxT2 |
|
5 |
|
4: TxR1 |
4 |
|
|
5: TxT1 |
5 |
|
|
6: TxR2 |
|
4 |
|
7: RxT2 |
|
2 |
|
8: RxR2 |
|
1 |