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1152700 • Issue 1 • February 2001 • Section 2 Operation and Maintenance
Page 2-271
© 2000, ADC Telecommunications, Inc.
DLP-760
Page 3 of 3
Table 760-1. 155 Card Status Definitions, continued
ITEM STATUS DEFINITION ACTION
Path Status
(continued)
STS AIS
STS RDI
Unequipped
SignalLabel
Mismatch
STS Alarm Indication Signal.
Remote end transmitting AIS due
to loss of payload for path.
STS Remote Defect Indication.
Remote end is receiving a
defective signal.
This time slot is not utilized
(unequipped).
Type of signal does not match
overhead description.
Check remote transmitting end’s
input signal.
Check local end transmitter and
connections.
Create a connection if needed on
this available timeslot per DLP-708.
Check VP connection for
provisioning errors per DLP-710.
Sync Status PRC
PRS
SEC
SSU
ST1
STU
ST2
ST3
SMC
DUS
SDH Primary Reference Clock
Primary Reference Source
SDH Equipment Clock Traceable
SDH Sync Supply Unit Traceable
Stratum 1 level source
Synchronized Traceability
Unknown
Stratum 2 level source
Stratum 3 level source
SONET Minimum level Clock
Reference cannot be used for
source
Timing reference reliability levels.
If sync status does not meet required
level, check source and inputs.
Provide the required clock source
and change configuration settings
for the card per DLP-749.
No action required.
Received Path
Trace Msg
(SM card
only)
User Defined
No Path
Trace
Path trace is a 64-character string
assigned to a path between nodes
in either direction identifying the
transmitting node.
No action required. If message states
no path trace, one may be
provisioned, for SM cards only, at
either or both of the two adjacent
nodes (clockwise and counter-
clockwise node). Refer to DLP-752.
Protection
State
Not Protected
Enabled
Manual
switch
Forced
Switch
Lockout
Unknown
Not Protected
Protection is available for
selected card but is not active.
User has manually switched the
card to protection.
User has forced card to
protection.
Card cannot switch to protection.
It has been locked out by
command or switch count.
Protection status information is
not available to the shelf
controller.
If equipped, set up a protection
group and provision card for
protection per DLP-765.
No action necessary.
If required, switch the card back per
DLP-771.
If required, release forced switch per
DLP-771.
If required, release manual lock-out
per DLP-771.
Wait a few minutes and update
screen. May need to reset SC, refer
to DLP-773.