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Chapter 5 Business Communications Manager System Startup 135
Installation and Maintenance Guide
Table 20 shows the wire connections for a V.35 adapter cable.
Table 21 shows the wire connections for a DB15 X.21 adapter cable.
Table 20 V.35 Adapter Cable
DB26 on
WAN card
Signal V.35 cable
DB26 on
WAN card
Signal V.35 cable
1 Protective Ground A 14 Transmit Data B S
2 Transmit Data A P 15 Transmit Clock A Y
3 Receive Data A R 16 Receive Data B T
4 Request to Send C 17 Receive Clock A V
5 Clear to Send D 18
6 Data Set Ready E 19
7 Signal Ground B 20 Data Terminal Ready H
8 Data Carrier Detect F 21
9 Receive Clock B X 22
10 23
11 External Clock B W 24 External Clock A U
12 Transmit Clock B AA 25
13 26
Table 21 DB15 X.21 adapter cable
DB26 on
WAN card
Signal
DB15
X.21 cable
DB26 on
WAN card
Signal
DB15
X.21 cable
1 Chassis Ground 1 14 Transmit Data B 9
2 Transmit Data A 2 15
3 Receive Data A 4 16 Receive Data B 11
4 Request to Send A 3 17 Receive Clock A 6
5 Clear to Send A 5 18
6 19 Request To Send B 10
7 Signal Ground 8 20
8 21
9 Receive Clock B 13 22
10 23
11 External Clock B 14 24 External Clock A 7
12 25
13 Clear To Send B 12 26