Single V.35/X.21 Wan Interface Card; Figure 28 Single V.35/X.21 Wan Interface Card; Table 19 V.35 Cable Pinouts - Nortel 600 Installing

Single V.35/X.21 WAN interface card

The single V.35/X.21 WAN interface card has a single DB28S connector that
provides the signals needed to interface to V.35 and X.21 equipment.
shows the single V.35/X.21 WAN interface card.

Figure 28 Single V.35/X.21 WAN interface card

You need a DSU/CSU (digital service unit/channel service unit) between the
WAN connection and the gateway. You can order a V.35 or X.21 cable to attach to
the connector. This cable enables the WAN adapter to function as DTE (data
terminal equipment).
Table 19
cable pinouts. (The pair suffix A or B refers to an individual wire within a twisted
pair.)

Table 19 V.35 cable pinouts

Standard-wired
end 28-pin male
2
14
3
16
15
12
17
9
24
11
4
19
provides the V.35 cable pinouts.
Signal name
TXDA
TXDB
RXDA
RXDB
TXCA
TXCB
RXCA
RXCB
SCTEA
SCTEB
RTSA
RTSB
Appendix A Technical specifications 73
Table 20 on page 75
Pair number Special-wired
and conductor end 34-pin male
pair 1A P
pair 1B S
pair 2A R
pair 2B T
pair 3A Y
pair 3B AA
pair 4A V
pair 4B X
pair 5A U
pair 5B W
pair 6A C
pair 6B no conn
Figure 28
CS160011A
provides the X.21
Notes
Note 1
Installing the Contivity 600