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100 Appendix A Technical specifications
NN46110-311 02.01
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
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
1GND1
2 RCB 2
3CAB3
4 RDB 4
5LCB5
6STB6
7GND7
8TAB8
9TTB9
10 LAB 10
11 TDB 11
12 LBB 12
13 GND 13
19 GND 19
24 TESTB 24
25 GND 25
CS460003A