Troubleshooting

All IE-iMcV-E1-Mux/4 units are shipped configured as Host units via DIP Switch #1 = OFF. The Remote unit should be set to DIP Switch #1 = ON. Be sure to confirm that the IE-iMcV-E1-Mux/4 card is set correctly when used.

The fiber transport is independent of all other ports and should be established first. If this is not possible, a physical fiber loopback can be used for fiber port verification. A fiber loopback will cause all connected ports to loop back their respected data.

If the fiber is not connected, all E1 ports will send the all-ones, AIS signal. This can be physically looped back to verify E1 port operation.

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IMC Networks MOR-F-632-120-EB82 operation manual Troubleshooting