User's Manual

Alarms

FlexWave Prism Element Management System 7.1 User Manual Page 193

Major Alarms—PRU/URU SFPs

The following alarms apply to SFPs installed in a Prism Remote Unit (PRU) or in a

URH Remote Unit (URU).

NOTE: Cascading Remote Units is not supported in this release. Alarms that pertain to cascaded

Remote Units are included as reference only.

Alarm: Excess Connections

Trap:

fwuRmtExcessConnFault

Alarm Code: AC134

Definition: Two or more PRU/URU connected to a single cascaded PRU/URU, or

a ninth PRU/URU connected in cascade, or there are more outgoing

fibers than incoming fibers on a PRU/URU in a cascade.

Remedy: Connect fiber optic cables per cascade connection rules. Refer to

appropriate installation guide for details.

Alarm: Fiber Connection Mismatch

Trap:

fwuRmtFiberConnMismatchFault

Alarm Code: AC133

Definition: Fiber optic cable connections between cascaded PRU/URUs not

following SFP connection rules.

Remedy: Connect fiber optic cables per cascade connection rules. Refer to

appropriate installation guide for details.

Alarm: Invalid Device Connection

Trap:

fwuRmtInvalidDevConnFault

Alarm Code: AC135

Definition: PRU/URU is connected to a DRU or vice versa.

Remedy: Ensure that cascaded Remotes are all the same type (that is, a PRU

to a PRU and a DRU to a DRU). Refer to appropriate installation guide

for details.

Alarm: Optical Over Drive

Trap:

fwuRmtSERFOptOverDriveFault

Alarm Code: AC84

Definition: SFP optical receive input power above specification.

Threshold: Threshold for IR is 1 dBm, and for LR is -9 dBm

Remedy: Reduce the optical receive level by adding optical attenuation.

Replace optical attenuator if faulty.