SM500MK4 Service Manual
22
5.1.2 SIO Loop Back Test
KEY TO PRESS OPERATION
-- Testing the RS232 port.
-- Please plug in the connector on the RS232C port
before proceed. (The test result is show at below).
OR
5.1.3 RS485 Loop Back Test
KEY TO PRESS OPERATION
-- Testing the 4-Line port.
-- Please plug in the test connector on the 4-Line
port before proceed. (The test result is show at
below)
OR
5.1.4 Ethernet Loop Back Test
KEY TO PRESS OPERATION
-- Testing the Ethernet port.
-- If the port okay, it will display the message below
OR
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