Thermo Scientific 42i Instruction Manual page 164

Troubleshooting
Connector Pin Descriptions
6-10 Model 42i Trace Level Instruction Manual
Connector Reference
Label Designator
SER EN J7
24V IN J10
DIGITAL I/O J14
Pin Signal Description
15 Analog Voltage 3
16 Ground
17 Analog Voltage 5
18 Ground
19 Ground
20 Power Fail Relay COM
21 Power Fail Relay N.O. Contact
22 Ground
23 TTL Input 3
24 TTL Input 4
25 TTL Input 6
26 Ground
27 TTL Input 9
28 TTL Input 11
29 TTL Input 12
30 TTL Input 14
31 TTL Input 16
32 Ground
33 Analog Voltage 2
34 Analog Voltage 4
35 Ground
36 Analog Voltage 6
37 Ground
1 Serial Enable Jumper
2 +3.3V
1 +24V
2 Ground
1 +5V
2 +24V
3 +24V
4 Ground
5 Ground
6 Ground
7 SPI Reset
Thermo Fisher Scientific