3Com 3C63311 Reference Guide - Page 191
Using Loopbacks, 3] Fault Management
View all 3Com 3C63311 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 191 highlights
Using Loopbacks 179 Using Loopbacks Loopbacks allow you to check circuit continuity between one point and another. You should use the PathBuilder S330/S310 loopback feature to check continuity to the nearest point first, and if the circuit is valid to that point, then loop to the next point. If a circuit has been compromised, isolating the problem between two points should help you identify and resolve the problem. To access the loopback modes supported by the PathBuilder S330/S310, follow these steps: 1 From the Main menu, select [3] Fault Management to display the Fault Management menu shown earlier in Figure 133. 2 Select [5] Loopback from the Fault Management menu to display the Loopback menu, shown in Figure 136. Figure 136 Loopback Menu 3 Select the card type for which you want to conduct the loopback. The Loopback menu for the selected port appears. Figure 137 shows the Loopback menu for the OC3/STM-1 port. If you select a card type for which the PathBuilder S330/S310 does not support loopbacks, a message appears, informing you that no loopback feature is available for that card type. If you select a multiple-port card, you must also select the port for which you want to configure the loopback.