UPM 2-336
UPM (GFP User Payload Mismatch) 2-336
URU 2-337
URU (Underlying Resource Unavailable) 2-337
URU-OCH-LOS (Underlying resource unavailable - OTS) 2-338
URU-OTS-LOS (Underlying resource unavailable - OTS [Loss of Signal]) 2-338
URU-OTS-RX (Underlying resource unavailable - OTS [Receive]) 2-338
URU-OTS-TX (Underlying resource unavailable - OTS [Transmit]) 2-339
URU-OTU (Underlying resource unavailable - OTU) 2-339
URU-S (Underlying Resource Unavailable - Card Failure) 2-339
USALS 2-341
USALS (Auto Laser Shutoff Due to Upstream Fault) 2-341
USLOS 2-343
USLOS (Upstream Channel Absent) 2-343
USOCHCOLLISION 2-345
USOCHCOLLISION (Upstream Channel Collision Input Direction) 2-345
VCGLOA 2-346
VCGLOA (Loss of alignment) 2-346
VCGSSF 2-348
VCGSSF (VCG Server Signal Failure) 2-348
VOLTAGEHIGH 2-349
VOLTAGEHIGH [High input voltage defect] 2-349
VOLTAGELOW 2-350
VOLTAGELOW [Low input voltage defect] 2-350
VTSFDI 2-351
VTSFDI (VTS Forward Defect Indication) 2-352
VTSOCI 2-352
VTSOCI (VTS Open Connection Indication) 2-352
WKSWBK 2-353
WKSWBK (Automatic switch to working) 2-353
WKSWPR 2-356
WKSWPR (Automatic switch to protection) 2-356
WTR 2-357
Trouble-clearing procedures Overview
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2-16
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
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