FCD-IPM Installation and Operation Manual Chapter 5 Setup Menu
Interface Parameters Menu 5-39
Link1
FCD-IPM (T1 with Sub Link)
Router/Bridge
Sub Link T1
Interface
Analog
Front End
Loopback
T1
Service
T1 Service
or PABX
Figure 5-45. Remote Analog Loopback for T1 and Sub T1 Links
Main Link Remote Digital Loopback – In this mode FCD-IPM performs a
digital loopback and transmits back the signal that was received from the T1
line. The loopback is shown in Figure 5-46.
Link1 T1 Interface
Loopback
FCD-IPM
Digital
Front End
T1
Service
Figure 5-46. Remote Digital Loopback
Sublink Remote Digital Loopback (for FCD-IPM with a sublink) – In this
mode
FCD-IPM performs a digital loopback and transmits back the signal that was
received from the sub T1 line. The loopback is shown in Figure 5-47.
Link1
FCD-IPM (T1 with Sub Link)
Router/Bridge
Sub Link T1
Interface
Digital
Front End Loopback
T1
Service
T1 Service
or PABX
Figure 5-47. Remote Digital Loopback for T1 and Sub T1 Links