Dc Output Alarm Thresholds Configuration Tasks; Dc Output Alarm Thresholds Configuration Example - 3Com 8800 Configuration Manual

3Com Switch 8800 Configuration Guide

52.3.1 DC Output Alarm Thresholds Configuration Tasks

Table 52-2 DC output alarm thresholds configuration tasks
No
1 Enter system view
Set the overvoltage alarm
2 threshold of DC output (upper
threshold) for the PoE PSUs
Set the undervoltage alarm
3 threshold of DC output (lower
threshold) for the PoE PSUs
Display the DC output state
4
of the PoE PSUs.
Display
5 voltage/current value of the
PoE PSUs
Note:
For both 220 VAC and 110 VAC input, it is recommended to set the upper threshold to
57.0 V and the lower threshold to 45.0 V.

52.3.2 DC Output Alarm Thresholds Configuration Example

I. Network requirements
Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.
Set the undervoltage alarm threshold of DC output for the PoE PSUs to 45.0 V.
II. Configuration procedure
Enter system view.
<SW8800> system-view
Set the overvoltage alarm threshold of DC output for the PoE PSUs to 57.0 V.
[SW8800] poe-power output-thresh upper 57.0
Set the undervoltage alarm threshold of DC output for the PoE PSUs to 45.0 V.
Operation
the DC output
52-3
Chapter 52 PoE PSU Supervision Configuration
Command
system-view
poe-power output-thresh
upper string
poe-power output-thresh
lower string
display poe-power
dc-output state
display poe-power
dc-output value
Description
—
Required,
and the range
is 55.0 V to
57.0 V.
Required,
and the range
is 45.0 V to
47.0 V.
Optional, and
you can
execute this
command in
any view.
Optional, and
you can
execute this
command in
any view.