NDA-24296 CHAPTER 3
Page 327
Revision 1.0
PA-16LCBJ-B
Line Circuit
3. Face Layout of Lamps, Switches, and Connectors

The face layout of lamps and switches on this circuit card is shown in Figure 3-75.

Figure 3-75 Face Layo ut o f PA-16LCBJ-B (16LC)
4. Lamp Indications
The contents of lamp indications of this circuit card are shown in the table below.
LAMP
NAME COLOR STATE MEANING
OPE Green Steady Light ing The circuitry of the circu it card is operatin g normally.
BL0
BL15 Green
Steady Lighting Line loop exists.
Flashing
1)Ringin g signa l is being trans mitt ed. Bus y LED keeps flashin g in s yn-
chronizing with on/off of the ringing signal.
2)Dial pulses are being received. While dial pulse s from a line are be-
ing received, Busy LED keeps flashing in synchronizing with the dial
pulses coming from the line.
3)Line is in make-b usy state.
Busy LED keeps flashing at 60 ipm.
OPE
MB
BL15
SW10
14
13
12
3
2
1
0
11
10
9
8
7
6
5
4
SW11
SW13
SW15
SW16
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