CHAPTER 3 NDA-24296
Page 318
Revision 1.0
PA-16LCBJ-A
Line Circuit
4. Lamp Indications
The contents of lamp indications of this circuit card are shown in the table below.
LAMP NAME COLOR STATUS MEANING
OPE Green Steady Lighting The circuitry of the circuit card is operating
normally.
BL0
BL15 Green
Steady Lighting Line loop exists.
Flashing
1)Ringin g sign al is be ing tra nsmi tted. Busy LED
keeps flashing in synchronizing with on/off of
the ringing signal.
2)Di al p u ls e s are bei n g r ec eived . Whi le di al
pulses from a line are being recei ved, Busy
LED keeps flashing in synchronizing with the
d i al pulse s comin g fro m th e line.
3)Line is in make-busy state.
Busy LED keeps flashing at 60 ipm.
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