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Troubleshooting
Connector Pin Descriptions
6-14
Model 43i Trace Level-Enhanced Instruction Manual
Connector Label
Reference Designator
24V IN
J10
DIGITAL OUTPUT
J14
EXT. RS485
J15
24V MONITOR
J17
FRONT PANEL BD
J18
Pin
Signal Description
2
+3.3V
1
+24V
2
Ground
1
+5V
2
+24V
3
+24V
4
Ground
5
Ground
6
Ground
7
SPI Reset
8
SPI Input
9
SPI Output
10
SPI Board Select
11
SPI Clock
1
-RS485 to Rear Panel
2
+RS485 to Rear Panel
3
+5V
4
+5V
5
+5V
6
Ground
7
Ground
8
Ground
9
NC
10
NC
11
+24V
12
+24V
13
+24V
14
+24V
15
+24V
1
24V Power Monitor
2
Ground
1
Ground
2
Ground
3
LCLK – LCD Signal
Thermo Fisher Scientific
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Troubleshooting
