Intermec MobileLAN access, Руководство пользователя

Страница: 15 / 34

Chapter 1 — Introduction
MobileLAN power User’s Guide 5
Power Bridge Status LEDs
These tables contain Power Bridge status information as presented
by the front panel LEDs during normal operation.
Power Active LED Table
Power Active
LED Status
Port Load Conditions
Port Voltage
Off Non-active load or unplugged
port No DC voltage is present
over the wires
On Active load is plugged in and
complies with normal load
conditions Continuous nominal DC
voltage is present on the
spare pairs
Blinking Overload conditions or shorted
terminal port or forced
external voltage feed (constant
DC) into the port Power to the port is
disconnected
No DC voltage is present
on the spare pairs
Main LED Table
Main LED
Status
Main Power Status
Remarks
Off Main internal power supply
unit is unplugged or faulty AC input is not active
On Main power supply unit is
plugged in and under normal
operating conditions Main voltage is 44V to
57V
Blinking and
Power Active
LED off Main power supply unit
voltage exceeds specified limits Main voltage is under 46V
or above 57V; port’s power
is disabled
For more information on using the LEDs to troubleshoot, see
Appendix B, “Specifications and Troubleshooting.”