User Manual

AirMux-200 Installation and Operation Manual Chapter 5 Diagnostics and Troubleshooting
Running Diagnostic Loopbacks 5-7
6). This loopback is initiated from a management station connected to
the local unit.
Management
Station
E1/T1
Interface
E1/T1
Interface
Testing
Equipment
Remote RT
Local RT
Figure 5-6. Remote Internal Loopback
Remote External Loopback
Remote AirMux-200 can be set to an external loopback to test the
remote E1/T1 port and its connection to the remote side user
equipment. In this mode, data coming from the remote user equipment
is looped back to it (see Figure 5-7). This loopback is initiated by an
inband command sent from a management station connected to the
local unit.
Testing
Equipment
Management
Station
E1/T1
Interface
E1/T1
Interface
Local RT
Inband Loopback
Activation Command
Remote RT
Figure 5-7. Remote External Loopback