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Cabling the Switch
2-7
Single V.35 WAN Interface (Optional)
The Single V.35 WAN connector is located on a PCI card that offers a separate
DB26S connector that provides the signals needed to interface to V.35 equipment.
Included in the accessory box is a cable that maps the DB26S signals to a standard
V.35 connector.
Table 2-2 shows the cable pinouts.
Table 2-2. DB26S-to-V.35 Cable Pinouts
DB26 Signal V.35
1ShieldA
2TXDAP
3RXDAR
4RTSAC
5CTSAD
6DSRAE
7GNDB
8 DCDA F
9RXCBX
10 DCDB no conn
11 SCTEB W
12 TXCB AA
14 TXDB S
15 TXCA Y
16 RXDB T
17 RXCA V
18 LL L
19 RTSB no conn
20 DTRA H
21 RL N
22 DSRB j
23 DTRB no conn
24 SCTEA U