HP 5000 Router manual Dumb Terminal Adapter, E1 Cable, T1 Cable, Describes T1 cable pinouts

Dumb Terminal Adapter 55

Dumb Terminal Adapter

Table 26 describes dumb terminal adapter pinouts.

Table 26 Dumb Terminal Adapter Pinouts

RJ-45 (female)	DB-25 (female)	Signal
1	8	DCD
2	6	DSR
3	20	DTR
4	7	GND
5	2	TxD
6	3	RxD
7	4	RTS
8	5	CTS

E1 Cable	Table 27 describes E1 cable pinouts. In this table, Tx = transmit and Rx = receive.
	These markings on 75-ohm coaxial cables are in relation to the routers, and they
	should be connected to the peer's “Tx” and “Rx”.
	Table 27 E1 Cable Pinouts

		BNC (75-ohm	RJ-45 (120-ohm
DB-15		coaxial cable)	twisted pair
9	Tx Tip	Tx Tip	1	Tx Tip
2	Tx Ring	Tx Ring	2	Tx Ring
10	Tx Shield	-	3	Tx Shield
8	Rx Tip	Rx Tip	4	Rx Tip
15	Rx ring	Rx Ring	5	Rx Ring
7	Rx Shield	-	6	Rx Shield

T1 Cable	Table 28 describes T1 cable pinouts.
	Table 28 T1 Cable Pinouts
		Straight-throug
		h Shielded
	RJ-45	Network Cable Signal	Description	RJ-45

1	White (Orange)	Rx	Ring	1
2	Orange	Rx	Tip	2
3	White (Green)	-	-	3
4	Blue	Tx	Ring	4
5	White (Blue)	Tx	Tip	5
6	Green	-	-	6
7	White (Brown)	-	-	7
8	Brown	-	-	8