VHSI port specifications
page 34
VHSI—X.21 connections
The wiring diagram in Figure 12 shows the connections required to
construct a VHSI—X.21 cable. For additional information required
to construct your own cables, see “Cable construction information”
on page 22.
Figure 12. VHSI—X.21 Connections
VHSI
X.21
1
19
4
22
5
23
6
24
8
26
11
29
12
12
3
30
10
8
1
9
7
14
4
11
6
13
5
TWISTED PAIRS
(MANDATORY)
2
DRAIN WIRE
BRAID
64-0308-09.fm Page 34 Monday, March 15, 2010 3:32 PM
