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1-8. Checks on Completion of Installation
1-8. Checks on Completion of Installation
1-8-1. Description of On-board Switches and LEDs
n
The number shown in parentheses ( ) indicates the address on the circuit board.
1. CA-47 board
1
2
3
M
L
K
J
F
E
H
D
G
C
F
B
A
E
D
C
B
A
<LEDs>
D751 (H-15) : REF-OK status LED
REF IN signal presence/absence status indication.
Not lit when the REF signal is not input.
Lit when the REF signal is input via the REF IN connector.
1-16
4
5
6
7
1
2
3
4
5
SW1
CPU-DK
SW2
Module
DI4
DI1
8
9
10
11
D754 (D-15) : LAN status LED
LAN (IC151/CA-47 board) status indication.
Flashes while communication with the main panel is in
progress.
D755 (D-15) : 100
LAN (IC151/CA-47 board) status indication
Lit while communication with the main panel is in
progress at 100 Mb/s.
12
13
14
15
S506
S505
S504
S503
CN803
S502
S501
ND752
CN802
ND751
D759
D758
D757
D756
S751
S753
S752
D760
CN752
S755
S754
D765
D755
D766
D754
D767
E751
TP755
A side/Component side
D763
D762
D761
D751
DCU-8000 IM
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