Testing The Lan Option - GE MAC 1600 Service Manual

3. Select RS232 Test.
The following window opens:
4. Perform the COM Port Loop Back Test on COM 1.
a.
b.
5. Perform the COM Port Loop Back Test on COM 2.
a.
b.
c.
6. When the test is done, press Esc or F6 (Cancel) to close the results window.
If either test failed, replace the mainboard/ETE module as described in

Testing the LAN Option

Use the LAN Test to test network connectivity.
1. Connect the device to an active LAN.
Ensure that the LAN is an active network. If you connect to an inactive network
tap, the test result may be a false negative.
2. Open the Diagnostic Tests window as described in
Diagnostics Function" on page
3. Select LAN Test.
The following window opens:
4. Press Enter to select Test network connectivity.
The following message is displayed: Checking connectivity. Please wait.
2028451-183E
Select COM 1, press Enter.
The results of the COM Port Loop Back Test are displayed.
Note the results of the COM Port Loop Back Test.
Use the paper clip to short pins 2 and 3 on the COM B connector.
Select COM 2, press Enter.
The results of the COM Loop Back Test for COM 2 are displayed.
Note the results of the COM Loop Back Test for COM 2.
MAC™ 1600
"Accessing the System
33.
Troubleshooting
"" on page .
43