Table 6-3. Motherboard Connector Pin Descriptions - Thermo Scientific 5028i Instruction Manual

Troubleshooting
Connector Pin Descriptions
6-8 Model 5028i Instruction Manual
Table 6–3. Motherboard Connector Pin Descriptions
Connector Reference
Label Designator
INTF DATA J1
10-BASE-T J2
EXPANSION BD J3
INTERFACE 24V J4
I/O J5
Pin Signal Description
1 Ground
2 +RS485 to Interface Board
3 -RS485 to Interface Board
1 Ethernet Output (+)
2 Ethernet Output (-)
3 Ethernet Input (+)
4 NC
5 NC
6 Ethernet Input (-)
7 NC
8 NC
1 +5V
2 +24V
3 +24V
4 Ground
5 Ground
6 Ground
7 +RS485 to Expansion Board
8 -RS485 to Expansion Board
1 +24V
2 Ground
1 Power Fail Relay N.C. Contact
2 Digital Ground
3 TTL Input 1
4 TTL Input 2
5 Digital Ground
6 TTL Input 5
7 TTL Input 7
8 TTL Input 8
9 TTL Input 10
10 Ground
11 TTL Input 13
12 TTL Input 15
13 Digital Ground
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