Patton electronic 3088A - Manual (Page 70)

V.35 interface 70
Model 3088A Series User Manual E • Interface pinouts
V.35 interface
DB-25 female connector (DTE/DCE orientation)
E1 interface
RJ-48C female connector
Pin # Signal Pin # Signal
1 Frame Ground 12 TxC-b (DTE Source)
2 TxD-a (DTE Source) 14 TxD-b (DTE Source)
3 RxD-a (DCE Source) 15 TxC-a (DCE Source)
4 RTS (DTE Source) 16 RxD-b (DCE Source)
5 CTS (DCE Source) 17 RxC-a (DCE Source)
6 DSR (DCE Source) 18 LL (DTE Source)
7 Signal Ground 20 DTR
8 CD (DCE Source) 21 RL
9 RxC-b (DCE Source) 24 ExtC-a (DTE Source)
11 ExtC-b (DTE Source) 25 TM (DCE Source)
Pin # Signal
1 Receive (Ring)
2 Receive (Tip)
3 Shield
4 Transmit (Ring)
5 Transmit (Tip)
6 Shield
7 No connection
8 No connection