Rear Panel
Voyager Matrix Fiber Optic Switch
Installation and User Guide
13
5.3
Power Supply Status Indicator
Each power supply unit on the rear panel has an LED status indicator, which is located near its respective
module. They give a general indication of the individual power-module status.
These power supply indicators function as follows (actually the same as the front-panel dashboard PS1/PS2):
COLOR
DESCRIPTION
Off
Power supply unit not installed (not a fault condition).
Green
OK; turned on; no fault detected.
Amber
WARNING: Unit installed; AC switch is off (+5VSB not present). This is not a
fault condition. This will be displayed when the other PS unit is installed and
its AC switch is in the ON position.
Red
FAULT: Unit installed; AC switch is on , but the power supply module reports
an internal fault condition.
Amber flashing
WARNING: At least one main power rail (on backplane) is out of tolerance.
Red flashing
FAULT: At least one main power rail (on backplane) has failed.
Alternating Red & Green
FAULT: A power-fault detected on at least one I/O card.
If a power supply is not installed, then that LED is always
off
, regardless of
any other fault conditions.
See Appendix D for additional information on power supply replacement.
5.4
Fan Status Indicator
This is a bi-color (red/green) fan supply status indicator on the rear panel, near the fan-
tray’s lower thumbscrew.
This replicates the fan status which is displayed on the front-panel dashboard.
The fan status indicator functions as follows (actually the same as the front-panel dashboard):
COLOR
DESCRIPTION
Green
OK
Amber
WARNING: At least one fan-tach is reading slower than minimum.
Red
FAULT: At least one fan-tach is reading 0 RPM (failed, or locked-rotor).
Red flashing
FAULT: Fan-tray not installed.
See Appendix E for additional information on fan replacement.
Power Supply Status Indicators
Fan Status
Indicator