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6-8 2. Main Menu Screen
MJ2 Test
RS-232C signal test
1. Slide the slide switch on the POD to the upper position for RS-232C.
2. Turn on the [MJ2] and [RS232C] switches under [Communication Port].
3. Check the signals [RD] and [SD]. Wire inside MJ2 as shown below.
4. Press the [Self-Loop Test] switch. When the [OK] lamp lights up, the test is successfully
completed.
* If the [NG] lamp lights up, consult your local distributor.
Communication Port
CN1
MJ1
MJ2
RS232C
RS485
Signal
Name
Pin No.
RD 7
SD 8
MJ2
Self-Loop
Test
CTS RTS
NG OK
CTS RTS
NG OK
Self-Loop
Test