GE MAC 1200

GE Medical Systems MAC 1200 V 1.2 Page 36
Information Technologies 227 492 21 RevF
(1) Sending and receiving
This test enables complete testing of the RS232 signal path for transmitting and receiving,
including RS232 driver and connector.
This test requires an RS232 connector with an internal bridge from pin 2 (RXDE) to pin 3
(TXDE). Depending on the result of the test, the following message appears:
If test resultis OK: Out “Hello world!
In :Hello world!
If an error occurs: Out ‘Hello world!
In ERROR (In)
(2) Send test string to device
In this test a remote station, e.g., PC must be connected up and have a terminal program
which can receive signals and be configured for the above-mentioned protocol. If the remote
station is on receive, then every time the "2" key is pressed the test string "Hello world!" is
transmitted to the remote station. Simultaneously, the following message appears on the
display:
v24-Settings: "19200, 8, n, 1"
Out: Helio world!
(3) Send and receive with device
Sending and receiving can be tested with a remote device by pressing the “3º key. The
device should be connected as described in (2).
After pressing the “3" key a test string is sent to the remote station. The following message
appears on the display:
Transmitting: Hello world!
Receiving: [ ]
A subsequent input at the remote station is sent back to the device and displayed there.
Moreover, it should be noted that an input must take place within 10 s and the input
terminated with “return”.