System information
User's Manual Chapter 7 Fault Management
RADview-SC/TDMoIP IPmux-11 Performing Loopback Tests 7-7
7.2 Performing Loopback Tests
The Loopback diagnostics command enables you run loop tests on an E1 or T1
port, to troubleshoot data loss on a link and locate where the data is being lost in
order to correct the problem.
To initiate a loopback test for an E1/T1 interface:
1. Click an E1/T1 port.
2. Select Diagnostics > Loopback...
The Interface Loopback dialog box appears (
Figure 7-6).
3. Set the desired loopback test and click <Set>.
The loopback test is performed.
Figure 7-6. Interface Loopback State Dialog Box
Table 7-4. Interface Loopback Parameters
Parameter Possible Values/Remarks
Port Port number of the interface.
Type
E1, T1
Current Loopback Current loopback status
Internal, External, Disable
Loopback Type of loopback test
Internal, External, Disable