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)Ringing signal is being transmitted. Busy LED
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
LED keeps flashing in synchronizing with the
dial pulses coming from the line.
3)Line is in make-busy state.
Busy LED keeps flashing at 60 ipm.
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