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 Ligh ting The circuitry of t he circuit card i s operatin g normally.
BL0
BL15
Green
Steady Lighting Line loop exists.
Flashing
1) Ringing s ignal is being tran smit ted. Bus y Lamp keeps flas hing in
synchronizing with on/off of the ringing signal.
2) Dial pu lses are being received. Whil e dial puls es fro m a lin e ar e
being r ec ei ved, Busy Lamp ke eps fl ashing in synchro nizing with
the dial pulses c oming from the line.
3) Line is in make-busy state.
Busy Lamp keeps flashing at 60 ipm.
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