NEC Univerge sv8500 Manual page 2831

Lamp Indications
The contents of lamp indications on this circuit card are shown in the table below.
LAMP NAME COLOR
+80V ON Green
–48 V ON Green
RGU ON Green
DC ON Green
OPE Green
CPUALM Red
DCALM Red
RGUALM Red
HOWALM Red
PA-PW55-B (PWR) Lamp Indications Reference
Remains lit while +80 V input power is being supplied.
Remains lit while –48 V input power is being supplied.
Remains lit while RGU output is in progress.
Remains lit while +5 V, +12 V, and –5 V are being output normally.
Lights when information exchange with the CPU is possible.
Lights when reset of the microprocessor has been activated.
Lights in the case of +5 V, +12 V, or –5 V outputs alarm.
Lights in the case of RGU voltage alarm.
Lights in the case of howler alarm.
VOL.3-344
CHAPTER 2 TERMINAL-RELATED DEVICES
STATE