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MX2800 M13 Multiplexer System Manual Transaction Language 1 (TL1), Section 9
61200290L1-1G 9-13
REPT
ALM
T3
301 MN EXT-DS1 NSA FEND FEND DS1 Equipment Failure
NSA
Examine far-end M13 multiplexer to determine the reason it has
signaled this condition.
302
(CTRL A)
CR LOS SA NEND DS3 Loss Of Signal Check DS3 facility entering the MX2800 for a valid signal.
303
(CTRL B)
302
(CTRL A)
CR OOF SA NEND DS3 Out Of Frame Check The provisioning of the DS3 framing type (M13 OR C-
Bit) to make sure it matches the facility. If this is correct, check
the DS3 facility entering the MX2800 for valid DS3 framing.
303
(CTRL B)
302
(CTRL A)
MJ RAI SA FEND DS3 Remote Alarm
Indication
Check the DS3 facility entering the far-end M13 multiplexer for
AIS or severely-errored frames.
303
(CTRL B)
302
(CTRL A)
MN ISD SA FEND DS3 idle Check the far-end M13 multiplexer and any intermediate devices
for reasons why they might be sending DS3 idle toward the
MX2800.
303
(CTRL B)
Table 9-3. MX2800 Alarm Events (Continued)
AID
Notification
Code
Condition
Type
Service
Affecting
Location Description Recommended Action