Eicon Networks Eiconcard C90 Installation Manual page 28

VHSI—X.21 connections
The wiring diagram below 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 16.
VHSI
1
19
4
22
5
23
6
24
8
26
11
29
12
30
28
TWISTED PAIRS
(MANDATORY)
DRAIN WIRE
BRAID
Figure 12. VHSI—X.21 Connections
VHSI port specifications
X.21
8
2
9
7
14
4
11
6
13
5
12
3
10
1