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LCS-4 L-Band Combiner Switch
Connector and Pinouts
3.4 F
AULT AND
J19, 25-pin D Female, Fault and Online Status.
Pins
Signal Name
#
2
BUC1_FLT_NO
1
BUC1_FLT_COM (BUC A)
14
BUC1_FLT_NC
16
BUC2_FLT_NO
15
BUC2_FLT_COM (BUC B)
3
BUC2_FLT_NC
5
LNB1_FLT_NO
4
LNB1_FLT_COM (LNB B)
17
LNB1_FLT_NC
19
LNB2_FLT_NO
18
LNB2_FLT_COM (LNB B)
6
LNB2_FLT_NC
8
SYS_FLT_NO
7
SYS_FLT_COM
20
SYS_FLT_NC
22
BUC2_ONLINE
21
BUC_ONLINE_COM BUC A/B)
9
BUC1_ONLINE
11
LNB2_ONLINE
10
LNB_ONLINE_COM
23
A/B)
LNB1_ONLINE
12
GND
13
GND
24
GND
25
GND
IMPORTANT
O
S
NLINE
TATUS
Signal
Direction
(BUC A)
I/O
(BUC A)
(BUC B)
I/O
(BUC B)
(LNB B)
I/O
(LNB B)
(LNB B)
I/O
(LNB B)
I/O
(BUC B)
I/O
(BUC A)
(LNB B)
I/O
(LNB
(LNB A)
GND
GND
GND
GND
The Fault/Alarm column shows the pins that are connected when a
fault condition exists. The OK column shows the pins connected in
the un-faulted/un-alarm condition. The conditions made when prime
power is disconnected from the unit are shown in the Power Off
column.
C
ONNECTOR
Type
Fault
Alarm
Form C
Form C
1 - 14
Form C
Form C
Form C
15 - 3
Form C
Form C
Form C
4 -17
Form C
Form C
Form C
18 - 6
Form C
Form C
Form C
7 - 20
Form C
Form C
Form C
_
Form C
Form C
Form C
_
Form C
GND
GND
_
GND
GND
3–3
Revision 1
MN/LCS4.IOM
Pins Connected
OK (No
Power
Fault)
Off
1 - 2
1 - 4
15 - 16
15 - 3
4 - 5
4 - 17
18 - 19
18 - 6
7 - 8
7 – 20
_
9 -21
_
10 - 23
_
_
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