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Table 26 X.21 cable pinouts (continued)
Standard-wired
end 28-pin male
1
7
The following notes apply to the single X.21 cable:
1. Wires of pair 4 connect to wires of pair 5, but not to any pins in the DA-15.
2. The term "no conn" means the wire is not connected to a pin in the 15-pin connector.
3. Wires 13B and 14B connect to pin 8 in the 15-pin connector.
4. At each end, the cable shield and connector shell must connect to pin 1 of the connector.
5. Do not interconnect Shield to Signal Ground because these are separate signals.
V.90 modem interface card
The V.90 modem interface card has two RJ-11 connectors that provide the signals
needed to interface to an incoming telephone line and to telephone equipment.
Figure 31
Figure 31 V.90 modem interface card
Included in the accessory box is a 7-foot RJ-11 cable to attach to a telephone jack.
Table 27
Table 27 V.90 modem cable pinouts
Pin
1
2
3
4
Signal name
SHIELD
SIGNAL GROUND
shows the V.90 modem interface card.
provides the V.90 modem port cable pinouts.
Function
N/C
Tip
Ring
N/C
Appendix A Technical specifications 89
Pair number
and conductor
pair 14A
pair 14B
Nortel VPN Router Installation — VPN Router 600
Standard-wired
end 15-pin male
1
8
Notes
Note 4,5
Note 3,5
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