6. Troubleshooting
6-22
August 2001
9123-A2-GB20-20
Payload Loopback
The local Payload Loopback (PLB) loops the information received on the selected
interface back to the network after it has passed through the receive and transmit
framing section of the device. Use the PLB to determine whether the problem is
with the T1 facility or in the circuitry of the remote device.
Main Menu
→
Test
→
Network Physical Tests
CAUTION:
This test may affect the operation of the frame relay PVCs assigned to
the selected port. While in loopback, the frame relay link will be down so
any IP data being sent while this test is active will be disrupted.
A PLB cannot be started when one of the following tests is active:
Line Loopback, Repeater Loopback, Send Remote Line Loopback, or an
active Monitor Pattern on this network interface.
Send Pattern test on this network interface.
97-15337
The T1
Interface
Other
T1
Interface
PLB
All
1s
Framer
Summary of Contents for FrameSaver FLEX 9123
Page 1: ...FrameSaver FLEX 9123 User s Guide Document No 9123 A2 GB20 20 August 2001 ...
Page 10: ...Contents viii August 2001 9123 A2 GB20 20 ...
Page 24: ...1 About the FrameSaver FLEX 9123 1 10 August 2001 9123 A2 GB20 20 ...
Page 34: ...2 User Interface and Basic Operation 2 10 August 2001 9123 A2 GB20 20 ...
Page 98: ...3 Configuration 3 64 August 2001 9123 A2 GB20 20 ...
Page 212: ...8 Setting Up NetScout Manager Plus for FrameSaver Devices 8 18 August 2001 9123 A2 GB20 20 ...
Page 228: ...A Menu Hierarchy A 6 August 2001 9123 A2 GB20 20 ...
Page 258: ...B SNMP MIBs and Traps and RMON Alarm Defaults B 30 August 2001 9123 A2 GB20 20 ...
Page 266: ...C Connectors Cables and Pin Assignments C 8 August 2001 9123 A2 GB20 20 ...