Carrier DATACOLD 500 T/R User Manual page 30

CONNECTOR 2
RS232
a) Serial communication with micro of the refrigeration unit without control panel
1 = GND
2 = RXD
3 = TXD
4 = CTS
5 = RTS
DataCOLD 500
b) Serial communication with micro of the refrigeration unit with one control panel and "Y"
communication cable
1 = GND
2 = RXD
3 = TXD
4 = CTS
5 = RTS
DataCOLD 500
c) Serial communication with micro of the refrigeration unit with two control panels and RS232 interface
1 = GND
2 = RXD
3 = TXD
4 = CTS
5 = RTS
DataCOLD 500
Communication cable 3 way
P/N : 22-60633-00
Communication cable 2 way
P/N : 22-60297-00
Communication cable
3 way
P/N : 22-60633-00
Page 30
Unit microprocessor
"Y" communication
cable
P/N : 22-60296-00
Power supply +12V
RS-232
Interface
P/N : 12-60040-00
62-61138-20 (02/03)
connector
Unit microprocessor
connector
Control panel
connector
Control panel 1
connector
Control panel
2 connector
Unit
microprocessor
connector