3Com VCX V7111 Installation Manual page 21

8FXS and 8FXO Rear Panel Connectors
Figure 7
1
5
Figure 7 Legend
Table 6
1 Power Supply Socket
2 10/100 Base-T RJ-45 Port
3 Eight RJ-11 FXS/FXO Ports
4 RS-232 Port
5 Grounding Screw
6 Label 'FXS' or 'FXO'
The RJ-45 port (Eth 1) on the 4FXO and 8FXO rear panel is inverted on the 4FXS and
8FXS. The label on the rear panel also distinguishes FXS from FXO devices.
VCX V7111 Fast Track Installation Guide
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