Alarm Description
TX power low TX power is low
Temp high Temperature is high
Temp low Temperature is low
Voltage High Voltage is high
Voltage Low Voltage is low
The alarm information for XENPAK transceivers is shown in this table.
Table 35: Alarm and error information (XENPAK transceivers)
Alarm Description
WIS local fault WAN Interface Sublayer local fault
Receive optical power fault Receive optical power fault
PMA/PMD receiver local fault Physical Medium Attachment/Physical Medium Dependent receiver local
fault
PCS receiver local fault Physical Coding Sublayer receiver local fault
PHY XS receive local fault PHY Extended Sublayer receive local fault
RX power high RX power is high
RX power low RX power is low
Laser bias current fault Laser bias current fault
Laser temperature fault Laser temperature fault
Laser output power fault Laser output power fault
TX fault TX fault
PMA/PMD transmitter local fault PMA/PMD transmitter local fault
PCS Transmit local fault PCS transmit local fault
PHY XS transmit local fault PHY SX transmit local fault
TX bias high TX bias current is high
TX bias low TX bias current is low
Table Continued
Chapter 13 Troubleshooting 483
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