Connection - Samsung MR-DH00 Technical Data Book

Control Systems
Test run tool for system air conditioner installation
VII VII
2. S-Converter
MIM-C02N
5) Connecting
Connecting with outdoor unit
Connecting with PC
6) Display
(1) POWER LED
When connected to Conventional communication outdoor unit - LED blinks
When connected to new communication outdoor unit - LED is on
(2) 232 LED
LED blinks every time control signal is transmitted from the Test run program
If the LED doesn't blink even though the test run program sends control command, check if the program is appropriate for the
communication type (Conventional communication/new communication)
(3) 485/ 2-LINE LED
LED blinks when the data is being transmitted from the 485 or 2-line communication device
485 communication cable - outdoor unit connection (Connects test run program)
2-line communication device - wired remote controller connection (connects program for the developer)
If the LED doesn't turn on, check if the communication cable is disconnected/short or check if the device is appropriate for the
communication type (Conventional communication/new communication)
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F1 F2 R1 R2