HP 3PAR Operating System Software - Manual (Page 138)

3PAR InForm Management Console 4.1.0 User’s Guide
138 320-200231 Rev A
TX Fault Displays whether the transmit laser has a problem.
RX Loss
Displays whether the receive end of the SFP is
experiencing a loss of signal from the host or drive cage.
RX Power Low Displays whether the SFP receive power is low.
DDM Support
Displays whether the SFP is DDM-capable (Digital
Diagnostic Monitoring).
Column Description
DDM
Type
Identifies the monitored parameters (temperature,
voltage, TX bias, TX power, and RX power).
Unit The unit of measure used for the monitored parameters.
Value The current measured value.
Low Threshold
Warning
The manufacturer's recommended lower-limit warning
level.
High Threshold
Warning
The manufacturer's recommended upper-limit warning
level.
Low Alarm
Threshold
The manufacturer's recommended lower-limit alarm
level.
High Alarm
Threshold
The manufacturer's recommended upper-limit alarm
level.