Installing The Cards - Nortel BCM200 Installation And Maintenance Manual

Table 61 shows the wire connections for a DB15 X.21 adapter cable.
Table 61 DB15 X.21 adapter cable
DB26 on
WAN card Signal
1 Chassis Ground
2 Transmit Data A
3 Receive Data A
4 Request to Send A 3
5 Clear to Send A
6
7 Signal Ground
8
9 Receive Clock B
10
11 External Clock B
12
13 Clear To Send B

Installing the cards

Refer to "Replacing data cards and processing hardware" on page 301
installation process for these cards.
DB15
X.21 cable
1
2
4
5
8
13
14
12
BCM200/400 4.0 Installation and Maintenance Guide
Chapter 9 Connecting the cables
DB26 on
WAN card Signal
14 Transmit Data B
15
16 Receive Data B
17 Receive Clock A
18
19 Request To Send B 10
20
21
22
23
24 External Clock A
25
26
for the removal and
161
DB15
X.21 cable
9
11
6
7