Bosch LTC 8500 Instruction Manual page 99

Code Port Pin-outs
Pin # Designation
1 +DATA
2 -DATA
3 GND
4 GND
5 GND
6 NO CONNECTION
7 NO CONNECTION
8 12 VAC
9 12 VAC
COMM PORT 1 and COMM PORT 2
(Not Applicable to All Systems)
Pin # Designation
1 CHASSIS GND
2 +TXD
3 -TXD
4 +RXD
5 -RXD
6 GND
7 GND
8 GND
9 GND
CPU Software Version Numbers
EN | 89