
Diagnostics
LOOP REM REM PORT
When the remote user's port loopback is activated, the user's port interface of the remote
Figure 5-2 shows a typical remote user's port loopback.
This test fully checks the data link, including the cables connecting the two ASMi-450 to the HDSL line, the transmission plant connecting the two ASMi-450, and the cable connecting the local user's DTE to the local ASMi-450.
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| User |
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| Processing |
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| HDSL Line |
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| Interface |
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HDSL Line
| REMOTE |
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HDSL Line | Processing | User | |
Interface | Interface | ||
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TEST OPTIONS
Operating
Instructions
Figure 5-B. LOOP REM REM PORT Loopback
Before starting the execution of a test, note that in general you should activate only one loopback at a time.
To activate or deactivate a specific test, use the following procedure:
Step | Action | Key | Display |
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1 | Bring the cursor under the | CURSOR |
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| the top row (if not already there) |
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2 | Scroll to display TEST OPTIONS in the top | SCROLL | The |
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| show OFF, to indicate that no test is active. |
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| LOOPS indicates that a test is currently |
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| active (in this case, the |
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| indicator lights). |
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| Second row is empty |
3 | To enable the activation of tests, bring the | CURSOR, | The second row displays the first test option |
| cursor under the | SCROLL |
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| row, and scroll to display LOOPS |
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