Epson V7 User Manual

1. Operation of V7 Main Menu

2-7

CH O

MJ1/2: RS-232C Signal Test

Turn the [MJ1] (or [MJ2]) and [RS232C] switches on.

• RS-232C Self-loop Test

Check the signals [SD] and [RD]. Connect the data transfer cable (V6-CP) to CN1 for
the test.

1. Set the adaptor ADP25-9 (attached to V6-CP) to the cable V6-CP. Connect the

modular jack side of the cable to MJ1 (or MJ2) and the ADP25-9 side to CN1.

2. 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.

MJ1/2: RS-485 Signal Test

If you would like to perform MJ1/2 RS-485 signal test, consult your local distributor.

CN1

RS232C

MJ1

RS485

MJ2

Communication Port

CN1

MJ1/2

V6-CP

ADP25-9

Self-Loop Test

CTS

RTS

Self-Loop Test

CTS

RTS