Nortel Networks 2700 manual Hssi WAN interface card, T3 cable pinouts, Pin Scsi male Signal name

100 Appendix A Technical specifications

HSSI WAN interface card

The HSSI WAN interface card has a 50-pin SCSI II female connector that provides the signals needed to interface to a T3 modem or modem eliminator. Figure 44 shows the HSSI WAN interface card.

Figure 44 HSSI WAN interface card

CS460003A

Included in the accessory box is a cable that maps the T3 signals out to a 50-pin SCSI II male connector.

Table 34 provides the T3 cable pinouts.

Table 34 T3 cable pinouts

50-pin SCSI male	Signal name	50-pin SCSI male
1	GND	1
2	RCB	2
3	CAB	3
4	RDB	4
5	LCB	5
6	STB	6
7	GND	7
8	TAB	8
9	TTB	9
10	LAB	10
11	TDB	11
12	LBB	12
13	GND	13
19	GND	19
24	TESTB	24
25	GND	25

NN46110-311 02.01