Nortel Networks 2750 manual Appendix a Technical specifications 35 cable pinouts, Signal Ground

Appendix A Technical specifications 99

Table 33 V.35 cable pinouts (continued)

Standard-wired		Pair number	Special-wired
end 28-pin male	Signal name	and conductor	end 34-pin male	Notes
3	RXDA	pair 2A	R
16	RXDB	pair 2B	T
15	TXCA	pair 3A	Y
12	TXCB	pair 3B	AA
17	RXCA	pair 4A	V
9	RXCB	pair 4B	X
24	SCTEA	pair 5A	U
11	SCTEB	pair 5B	W
4	RTSA	pair 6A	C
19	RTSB	pair 6B	no conn	Note 1
5	CTSA	pair 7A	D
13	CTSB	pair 7B	no conn	Note 1
6	DSRA	pair 8A	E
22	DSRB	pair 8B	J
20	DTRA	pair 9A	H
23	DTRB	pair 9B	no conn	Note 1
8	DCDA	pair 10A	F
10	DCDB	pair 10B	no conn	Note 1
18	LL	pair 11A	L
21	RL	pair 11B	N
25	TM	pair 12A	NN
26	M0<-SIGNAL GROUND	pair 12B	B	Note 2
27	M1<-SIGNAL GROUND	pair 13A	B	Note 2
28	M2	pair 13B	no conn	Note 1
1	SHIELD	pair 14A	A	Notes 3,4
7	SIGNAL GROUND	pair 14B	B	Notes 2,4

The following notes apply to the single V.35 DTE cable:

1.The term “no conn” means the wire is not connected to a pin in the 34-pin connector.

2.Wires 12B, 13A, and 14B connect to pin B in the 34-pin connector.

Nortel VPN Router Installation — VPN Router 2750