Installing and Removing an Access Board
56
Telephony Hardware Manual
Installing and Removing an Access Board
You can add, remove, or replace an access board without shutting down the system and
MAXCS. To add or remove a board, follow the steps below.
Figure 4. ALTI-VT1E1-2 access board
ON
Flashing
Frame synchronization is okay, but one of the following
errors has occurred:
•
Bi-polar violation
•
Line code violation
•
System is receiving Yellow alarm from CO
•
System is receiving Red alarm from CO
•
Excessive zeros detected
OFF
Flashing
Frame synchronization failed due to one or more of the
following conditions:
Wrong frame type
Wrong line code
Clock not matched, causing massive frame slips
Cable between CSU and T1 port is too long (within 110 feet
is recommended)
CRC checksum error (E1)
Alternating
Temporary frame slip in normal operation
OFF
OFF
No power to the board
Green LED
Red LED
Status
Extractor handles
Содержание MAX1000
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