Output from the show optic command (Continued)TABLE 30
Field Description
Temperature • The operating temperature, in degrees Celsius, of the optical transceiver.
• The alarm status, as described in the next table.
Tx Power • The transmit power signal, in decibels (dB), of the measured power referenced to one milliwatt
(mW).
• The alarm status, as described in the next table.
Rx Power • The receive power signal, in decibels (dB), of the measured power referenced to one milliwatt
(mW).
• The alarm status, as described in the next table.
Tx Bias Current • The transmit bias power signal, in milliamperes (mA).
• The alarm status, as described in the next table.
For Temperature, Tx Power, Rx Power, and Tx Bias Current in the show optic command output,
values are displayed along with one of the following alarm status values: Low-Alarm, Low-Warn,
Normal, High-Warn or High-Alarm. The thresholds that determine these status values are set by the
manufacturer of the optical transceivers. The following table describes each of these status values.
Alarm status value description TABLE 31
Status value Description
Low-Alarm Monitored level has dropped below the "low-alarm" threshold set by the manufacturer of the optical
transceiver.
Low-Warn Monitored level has dropped below the "low-warn" threshold set by the manufacturer of the optical
transceiver.
Normal Monitored level is within the "normal" range set by the manufacturer of the optical transceiver.
High-Warn Monitored level has climbed above the "high-warn" threshold set by the manufacturer of the optical
transceiver.
High-Alarm Monitored level has climbed above the "high-alarm" threshold set by the manufacturer of the
optical transceiver.
Viewing optical transceiver thresholds
The thresholds that determine the alarm status values for an optical transceiver are set by the
manufacturer of the XFP, SFP, or SFP+. To view the thresholds for a qualified optical transceiver in a
particular port, use the show optic threshold command as shown below.
device>show optic threshold 2/2
Port 2/2 sfp monitor thresholds:
Temperature High alarm 5a00 90.0000 C
Temperature Low alarm d300 -45.0000 C
Temperature High warning 5500 85.0000 C
Temperature Low warning d800 -40.0000 C
Supply Voltage High alarm 9088
Viewing optical transceiver thresholds
224 FastIron Ethernet Switch Administration Guide
53-1003625-01
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