Longshine LCS-C842SC - Manual (Page 9)

Enhanced 10/100Base-TX to 100Base-FX Converter
- 13 -
Local Loopback
1. Test Condition setup – for the function to produce
an accurate result, be sure to set switches
according to the table below:
Test Condition
2. Launch a loopback or diagnostics testing program
and follow the instructions given. Typically, the
instructions will be similar to the following:
a. Enter the number of test messages
(frame packets) to be sent (Between 1 –
1000)
b. Click on the START button
c. The program will send a testing
message looped in the copper segment,
and display a pass/fail result
DIP Switches 1 2 3 4 5 6 7
Converter A OFF FD 100 FD OFF ON OFF
Converter B OFF FD 100 FD OFF OFF OFF
Enhanced 10/100Base-TX to 100Base-FX Converter
- 14 -
Remote Loopback
1. Test Condition setup – In order for the function to
produce an accurate result, set switches
according to the table below:
Test Condition
2. Launch a loopback or diagnostics testing program
and follow the instructions given. Typically, the
instructions will be similar to the following:
a. Enter the number of test messages
(frame packets) to be sent (Between 1
–
1000)
b. Click on the START button
c. The program will send a testing
message looped in the fiber segment,
and display a pass/fail result
NOTE: On a PC, use a program such as Sniffer to conduct the tests.
Other methods include the use of SmartBits series testing
equipment. If you do not have access to either method,
please contact your vendor for advice.
DIP Switches 1 2 3 4 5 6 7
Converter A OFF FD 100 FD OFF OFF OFF
Converter B OFF FD 100 FD OFF OFF ON
Warning
Be sure to deactivate both local and remote
both loopback test functions for normal converter operations