Troubleshooting
Connector Pin Descriptions
6-12 Model 42i Low Source Instruction Manual Thermo Electron Corporation
22 Keypad Row 1 Input
23 Keypad Row 4 Input
24 Keypad Row 3 Input
25 Keypad Col 2 Select
26 Keypad Col 1 Select
27 Keypad Col 4 Select
28 Keypad Col 3 Select
29 Ground
30 Ground
31 Ground
32 Ground
33 +24V
34 +24V
RS232/RS485:A P1:A 1 NC
2 Serial Port 1 RX (-RS485 IN)
3 Serial Port 1 TX (-RS485 OUT)
4NC
5 Ground
6NC
7 Serial Port 1 RTS (+RS485 OUT)
8 Serial Port 1 CTS (+RS485 IN)
9NC
RS232/RS485:B P1:B 1 NC
2 Serial Port 2 RX (-RS485 IN)
3 Serial Port 2 TX (-RS485 OUT)
4NC
5 Ground
6NC
7 Serial Port 2 RTS (+RS485 OUT)
8 Serial Port 2 CTS (+RS485 IN)
9NC
AC IN PJ1 1 AC-HOT
2AC-NEUT
Table 6-3. Motherboard Connector Pin Descriptions, continued
Connector
Label
Reference
Designator
Pin Signal Descriptions
To Next Page
Loading...
