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RJ-11 non-shielded DSL port 81
Model 3088 Series User Manual E • Interface pinouts
RJ-11 non-shielded DSL port
Single twisted-pair (TP) for full-duplex transmission. The signals are polarity insensitive.
V. 3 5 i nt e r f a c e
DB-25 female connector (DCE orientation)
T1/E1 interface
RJ-48C female connector
Pin # Signal
1
2 Tip
3 Ring
4
Pin # Signal Pin # Signal
1 Frame Ground 12 TxC-b
2 TxD-a 14 TxD-b
3 RxD-a 15 TxC-a
4 RTS 16 RxD-b
5 CTS 17 RxC-a
6 DSR 18 LL
7 Signal Ground 20 DTR
8 CD 21 RL
9 RxC-b 24 ExtC-a
11 ExtC-b 25 TM
Pin # Signal
1 Receive (Ring)
2 Receive (Tip)
3 Shield
4 Transmit (Ring)
5 Transmit (Tip)
6 Shield
7 No connection
8 No connection