Service manual

APEX — Installation and Service Manual 113
Section 4
Troubleshooting
Use the tables below for determining the status of the device LEDs for use
in troubleshooting.
LEDs
Table 6. Front Panel
Table 7. Rear Panel
Display Meaning
POWER / ALARM Amber Master alarm for this chassis: check internal alarm LEDs
Green Power on, chassis OK
Off System is not powered
Display Meaning
CONTROL LAN A Green Link active
Off No link
CONTROL LAN B Green Link active
Off No link
STATUS LAN A Green Link active
Off No link
STATUS LAN B Green Link active
Off No link
EXPANSION A 1-4 Green Matrix board A link is receiving data from other chassis
Off No link or bad link
EXPANSION B1-4 Green Matrix board B link is receiving data from other chassis