Chapter 5 Setup Menu FCD-IPM Installation and Operation Manual
5-38 Interface Parameters Menu
For the cards:
Main Link
Fix sub
I/O1 sub
I/O2 sub
The E1/T1 Loopback diagnostic test is selected.
For the cards:
Fix Voice
I/O 1 Voice
I/O 2 Voice
Voice Diagnostics is selected.
Loopback
Loopback options are:
Disabled
Main Link Remote Analog Loopback – In this mode, FCD-IPM performs an
analog loopback and transmits back the data that was received from the T1
line. The loopback is shown in Figure 5-44.
Link1 T1 Interface
Loopback
FCD-IPM
Analog
Front End
T1
Service
Figure 5-44. Remote Analog Loopback
Sublink Remote Analog Loopback (for FCD-IPM with a sublink) – In this
mode,
FCD-IPM performs an analog loopback and transmits back the data that was
received from the sub T1 line. The loopback is shown in Figure 5-45.