User`s guide

Figure 4–1 SW300 Light Emitting Diodes
CXO-4309A-MC
SYSTEM OK
(GREEN)
FAULT
(AMBER)
Table 4–1 SW300 Front Panel Fault Notification
When the ... Is ... The subsystem ...
System OK (green) LED
Fault (amber) LED
ON
OFF
Is in the normal operating state.
System OK (green) LED OFF The subsystem does not have power applied or is in a Reset
state.
1. Check that ac power is applied.
2. Check the EMU control panel LEDs to determine which
FRU has failed.
3. Check the system has at least four operational power
supply SBBs.
4. Check for any error messages on the terminal (if one is
attached)
Fault (amber) LED ON Has a failed FRU. Check the EMU control panel LEDs to
determine which FRU has failed.
4–2 Error Analysis and Fault Isolation