Running loopback tests, Loopback in multiplexer units – RAD Data comm ASMi-52 User Manual

Page 123

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Installation and Operation Manual

Chapter 6 Troubleshooting and Diagnostics

ASMi-52 Ver. 2.5

Testing ASMi-52

6-19

ASMi-52

Bert Results

Local

Remote

Run time (seconds)

2000

Sync loss state

sync loss

Sync run time (seconds)

2000

Sync loss counter

2000

Total bits

3000

Error bits

50

BER

5.5E-4

>

ESC-prev. menu; !–main menu ; &–exit terminal

Figure 6-19. Bert Results Menu

4. Configure the local/remote port accordingly.

Running Loopback Tests

ASMi-52 supports the local and remote loopbacks as per ITU V.54, by using the
following methods:
• From the supervisory terminal.
• Via corresponding pins of the synchronous interface, for the ASMi-52 with

V.35 interface and RS-530 interfaces only.

Loopback in Multiplexer Units

Figure 6-20 is an illustration of how loopback works in the local ASMi-52.

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