CHAPTER 3 NDA-24296
Page 336
Revision 1.0
PA-16LCBW
Line Circuit
4. Lamp Indications
The contents of lamp indications of this circuit card are shown in the table below.
LAMP NAME
LAMP
COLOR
LAMP STATUS MEANING OF INDICATION
OPE Green Steady Lighting The circuitry of the circuit card is operating normally.
BL0
BL15
Green
Steady Lighting Line loop exists.
Flashing
1) Ringing signal is being transmitted. Busy Lamp keeps flashing in
synchronizing with on/off of the ringing signal.
2) Dial pulses are being received. While dial pulses from a line are
being received, Busy Lamp keeps flashing in synchronizing with
the dial pulses coming from the line.
3) Line is in make-busy state.
Busy Lamp keeps flashing at 60 ipm.
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