# Dual T1/E1 120 ohm adapter cable

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.

## Pin assignments

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