Qlink-3000 Multiplexing modem
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Copyright © 2003 -2005 Cronyx Engineering
36
4.6. “Loopback” menu
The “
Loopback
” menu is designed for loop management:
Loopback
1. Link loop - disabled
2. Port 0 loop - disabled
5. Port 0 tributary loop - disabled
7. Link remote loop - disabled
Command: _
The following loops are implemented:
• Link loop – local loop on the link. The data received from the link are turned back;
• Port loop – local loop on the port (for E1 ports only). The data received from the port
are turned back;
• Port tributary loop – loop on the port tributary (for E1 ports only). The data received
from the SHDSL link, and corresponding to the port, are turned back. The other port
continues to operate normally.
• Link remote loop – remote loop on the link. Request to enable loop on the remote
device is transmitted towards the link;
4.7. “Test” menu
The “
Test
” menu is designed to control the BER-tester.
BER Test
1. Link test - stopped
2. Port 0 tributary test - run
3. Port 1 tributary test - stopped
4. Test results...
Command: _
