Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285 Trouble Clearing: TAP-101
Issue 2, February 2000 Page 6 of 10
DDM-2000 OC-3 MULTIPLEXER
CRITICAL. CR
LED lighted.
ExternalMinor* External minor alarm
(environmental alarm input 15) is
active at RT. DC power or
cooling fan in RT has failed.
Use
rtrv-attr-
env
command at
RT to
determine
cause. Clear
trouble using
local
procedures.
illegal CP type An illegal or unknown circuit
pack type has been inserted into
the shelf.
Remove CP
and install
correct CP.
2nd CP required for BBF3/BBF8 The BBF3/BBF3B DS1PM or
BBF8 HDSL CPs require both
FUNCTION UNITS slots in the
group to be equipped with
MXRVO or STS1E CPs.
Insert a
second
MXRVO or
STS1E CP in
the
companion
FUNCTION
UNITS slot.
2nd CP required for BBF6/BBF9 The BBF6 T1EXT or BBF9 IMA
LAN CPs require both
FUNCTION UNITS slots in the
group to be equipped with
MXRVO CPs.
Insert a
second
MXRVO CP in
the
companion
FUNCTION
UNITS slot.
CRITICAL. CR
LED lighted.
FAULT LED
lighted on circuit
pack.
unexpected CP switches
unexpected CP type
Switch settings invalid, different
from other circuit pack, or
different than they were before
circuit pack was removed or
replaced. Circuit pack inserted
into slot provisioned for different
circuit pack.
Step 11
Note: Similar descriptions of trouble may also appear in the CIT Alarm and Status Report.
* May be provisioned for Critical, Major, Minor or no alarm.
Table A – Critical (CR) Alarm Conditions (Continued)
Alarm Level or
LED Indication Trouble Description (Note) Likely causes
Step or
Procedure

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English