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146 Chapter 9 Starting the system
P0993298 02
Table 28 shows the wire connections for a RS-422/EIA 530 modem adapter cable
Table 29 shows the wire connections for a V.35 adapter cable.
Table 28 RS-422/EIA 530 adapter cable
DB26 on
WAN card
Signal
RS-422/EIA
530 cable
DB26 on
WAN card
Signal
RS-422/EIA
530 cable
1 Protective Ground 1 14 Transmit Data B 14
2 Transmit Data A 2 15 Transmit Clock A 15
3 Receive Data A 3 16 Receive Data B 16
4 Request to Send A 4 17 Receive Clock A 17
5 Clear to Send A 5 18 18
6 Data Set Ready A 6 19 Request To Send B 19
7 Signal Ground 7 20 Data Terminal Ready A 20
8 Data Carrier Detect A 8 21 21
9 Receive Clock B 9 22 Data Set Ready B 22
10 Data Carrier Detect B 10 23 Data Terminal Ready B 23
11 External Clock B 11 24 External Clock A 24
12 Transmit Clock B 12 25 25
13 Clear To Send B 13 26
Table 29 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