32 Service Manual SM-MDS_(ii)
Wiring connection for MDS system with more than one outdoor unit
For wiring connection between MC501 gateway and computer, it can be done by using the cable provided to
connect the gateway to serial port of computer. If serial port is not available in the computer, a RS232 (Serial
Port) to USB converter cable can be use. This converter cable can be obtained from any IT hardware outlet.
When user purchased the RS232 to USB converter cable, it will come together with a CD which consist the
driver. Kindly install the driver accordingly. (The interface will be different base on the supplier; hence this
manual cannot give any guideline or any indication).
Wiring connection from MC501 gateway to computer through serial port
Wiring connection from MC501 gateway to computer through RS232 to USB converter cable