Thermo 48i - Connector Pin Descriptions

Troubleshooting
Connector Pin Descriptions
Thermo Electron Corporation Model 48i Instruction Manual 6-7
Connector Pin
Descriptions
The connector pin descriptions in Table 6-3 through Table 6-8 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
Description
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