Thermo 42i - Connector Pin Descriptions

Troubleshooting
Connector Pin Descriptions
6-8 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Connector Pin
Descriptions
The connector pin descriptions in Table 6-3 through Tabl e 6-9 can be used
along with the board-level connection diagrams to troubleshoot board-level
faults.
Table 6-3. Motherboard Connector Pin Descriptions
Connector
Label
Reference
Designator
Pin Signal Descriptions
INTF DATA J1 1 Ground
2 +RS485 to Interface Board
3 -RS485 to Interface Board
10-BASE-T J2 1 Ethernet Output (+)
2 Ethernet Output (-)
3 Ethernet Input (+)
4NC
5NC
6 Ethernet Input (-)
7NC
8NC
INTF DATA J1 1 Ground
2 +RS485 to Interface Board
3 -RS485 to Interface Board
10-BASE-T J2 1 Ethernet Output (+)
2 Ethernet Output (-)
3 Ethernet Input (+)
4NC
5NC
6 Ethernet Input (-)
7NC
8NC
EXPANSION BD J3 1 +5V
2 +24V
3 +24V
4 Ground
5 Ground
6 Ground
7 +RS485 to Expansion Board
8 -RS485 to Expansion Board