Put Remote Into Loop Back; Processor Loopback - Multitech MultiDSU MTT1DSU User Manual

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Processor Loopback

This test (option 3 on the Diagnostics menu) loops back the data in the
MultiDSU's Central Processor Unit (CPU) and assures that the CPU and
the T1 transceiver are communicating correctly. See Figure 5-3.
Processor Loopback
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Put Remote Into Loop Back

This test (option 4 on the Diagnostics menu) checks the integrity of a
remote MultiDSU by putting it into loopback mode so anything it
receives over the T1 line is returned over the T1 line, through the local
MultiDSU and out the Data port to the DTE device. See Figure 5-4.
Select option 5 on the Diagnostics menu to take the remote out of
loopback mode and end the test. Select option 6 to end loop back.
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Figure 5-4. Put Remote Into Loopback Test
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Remote Loopback
MultiDSU
Figure 5-2. Remote Loopback Test
MultiDSU
Figure 5-3. Processor Loopback Test
MultiDSU
T1 Line
T1 Line
Put Remote into Loopback
T1 Line
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Remote
MultiDSU
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Remote
MultiDSU
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Remote
MultiDSU