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

Loopback

Each E1 port can be tested in loopback mode by enabling either a Host loopback or Remote loopback test path. This capability allows the end-user to help troubleshoot and isolate system problems such as improper/broken line terminations, cables or malfunctioning equipment.

With Host loopback, the E1 copper port, connected to the Host unit, is looped back to that port within the local unit. E1 data coming from the remote unit to that port over the optical link is also looped back to the remote unit at the same point within the local unit.

With remote loopback, an E1 line connected to the Host unit is transported onto the optical link and looped back within the remote unit back onto the optical link without passing onto the copper E1 line of the remote unit. The remote’s incoming E1 copper line is also looped-back to the copper line within the remote unit.

The default value for loopback is "none."

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