CHAPTER 3 NDA-24296
Page 382
Revision 1.0
PA-24LCBV
Line Circuit

3. Face Layout of Lamps, Switches and Connectors

The face layout of lamps, switches on this card is shown in Figure 3-98.

Figure 3-98 Face Layout of PA-24LCBV ( L C) Card
4. Lamp Indications

Lamp indications for this card are shown below.

LED N A ME COLOR LED STATUS DESCRIPTION
OPE1 Green Steady Lighting The circuitry of circuit #0-#7 is operating no rmally.
OPE2 Green Steady Lighting The circuitry of circuit #8-#23 is operating normally.
BL0
BL23 Green
Steady Lighting Line loop exists.
Flashing
1. Ring in g sig n a l i s b ein g tra n smitte d. 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
bein g received. Busy LED kee ps flas hing in synchroni zing wit h th e
dial pulses com ing from the line.
3. Line is in Make-busy state.
4. Busy LED keeps flashing at 60 ipm.
OPE2
OPE1
BL23
BL0
SW00 (MB)
BL23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CN
SW18
SW10
(BNW0-7)
SW11
(BNW8-15)
SW12
(BNW16-23)
SW17
SW13
SW14
SW15
SW16
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