3com V7111 User Manual
Table 8
Pin Allocation in the 50-pin Telco Connector
Phone Channel
Connector Pins
Phone Channel
Connector Pins
1 1/26 13 13/38
2 2/27 14 14/39
3 3/28 15 15/40
4 4/29 16 16/41
5 5/30 17 17/42
6 6/31 18 18/43
7 7/32 19 19/44
8 8/33 20 20/45
9 9/34 21 21/46
10 10/35 22 22/47
11 11/36 23 23/48
12 12/37 24 24/49
Figure 16
V7111 24-PORT RS-232 Cable Wiring
2
3
5
3
5
2
3
5
3
5
RD
TD
GND
DB-9 female for PC
DB-9 male for MP-100
DB-9 male for V7111 24-
PORT
DB-9 female for PC
24
3Com VCX V7111 Analog Gateway Installation Guide