3Com VCX v7111 User Manual page 42

V7111 24 PORT in a 19-inch Rack with MDF Adaptor
Figure 18
FRONT INPUT
24 line cords
2-wire with RJ-11
connectors
AC Power Cord
Connect to
100 - 250V~
50 - 60Hz 2A
Grounding Strap
Pin Allocation in the 50-pin Telco Connector
Table 13
Phone Channel
1
2
3
4
5
6
7
8
9
42
19-inch Rack
Rear View
M D F Adaptor Block - rear
REAR OUTPUT
24 wire pairs in
Octopus cable
with 50-pin male
Telco connector
here
ANALOG LINES 1-20
Data Cntrl Ready
50-pin female
Telco connector
RS-232 Cable
Connector Pins
1/26
2/27
3/28
4/29
5/30
6/31
7/32
8/33
9/34
MP-124
RS-232
1 2 3 4 5 Rear View
CONFIG
Eth 1 Eth 2
Phone Channel
13
14
15
16
17
18
19
20
21
®
3Com VCX V7111 VoIP Gateway User Guide
Primary
LAN Cable
to Eth 1
Back-up
LAN Cable
to Eth 2
Connector Pins
13/38
14/39
15/40
16/41
17/42
18/43
19/44
20/45
21/46