Dsu Loopback Test - Multitech MT56DSU2 Owner's Manual

Multi-tech multidsu mt56dsu2 network device: user guide

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MT56DSU2 Owner's Manual

4.3.5 DSU Loopback Test

This test lets you verify proper DSU operation by matching a transmitted signal to the "looped-

back" receive signal. Refer to Appendix B for cable description.

1. Obtain a DSU Loopback cable (#45640100) from Multi-Tech, or assemble one. Refer to

Appendix B for instructions on building the Loopback cable.

2. Plug the Loopback cable into the back panel LINE jack.

3. If you send data from your DTE, it should be "looped back" to your DTE. If you have access to

a Bit Error Rate Tester, this can be used in place of the DTE.

DTE

82017502

Loopback

Cable

DSU

being tested

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