3Com V7111 - Manual (Page 17)

Figure 5 V7111 Rear Panel Connectors
1 2 3 4 4 5 6 5
Table 4 V7111 Rear Panel Component Descriptions
Item # Label Component Description
1 100-240~0.3A max. AC power supply socket
2 Ethernet 10/100 Base-TX Uplink port
3 RS-232 RS-232 status port (requires a DB-9 to PS/2 adaptor)
4 FXS or FXO A label that distinguishes between FXS & FXO devices
5 -- 2, 4 or 8 FXS / FXO ports
6 Reset Reset button
Table 5 V7111 Cables and Cabling Procedure
Cable Cabling Procedure
Connect the Ethernet connection on the V7111 directly to the network using a
standard RJ-45 Ethernet cable. For connector pinouts, see
Figure 6
RJ-45 Ethernet
cable
.
Note that when assigning an IP address to the V7111 using HTTP (under Step 1 in
Assigning an IP Address Using HTTP ), you may be required to disconnect this
cable and re-cable it differently.
Connect the RJ-11 FXS connectors to fax
machines, modems, or phones. Ensure that FXS and FXO ports are
connected to the correct devices,
RJ-11 two-wire
telephone cords otherwise damage can occur.
The RJ-11 pinouts are described in Connect the RJ-11 FXO connectors to
telephone exchange analog lines or PBX
extensions.
Figure 6 ).
Using a standard RS-232 straight cable (not a cross-over cable) with DB-9
connectors, connect the V7111 RS-232 port (using a DB-9 to PS/2 adaptor) to either
COM1 or COM2 RS-232 communication port on your PC. The pinouts of the PS/2
connector are shown in
RS-232 serial
cable
Figure 8 .
A PS/2 to DB-9 adaptor is not included with the V7111 package. For the PS/2 to DB-9
pinouts, see
Figure 9 .
Connect the V7111 power socket to the mains.
AC Power cable
3Com VCX V7111 Analog Gateway Installation Guide 17