User's Manual

Table Of Contents
FCD-IPM Installation and Operation Manual Chapter 5 Setup Menu
Interface Parameters Menu 5-55
Link1
FCD-IPM (E1 with Sub Link)
Router/Bridge
E1 Service
or PABX
Sub Link E1
Interface
E1
Service
Analog
Front End
Loopback
Figure 5-60. Remote Analog Loopback for E1 and Sub E1 Links
Main Link Local Analog Loopback – In this mode, the data transmitted from
FCD-IPM to the E1 line is sent back to the receive path, instead of the data
received from the E1 line. The loopback is shown in Figure 5-61.
FCD-IPM
E1 Interface
Loopback
E1
Service
Figure 5-61. Local Analog Loopback
Sublink Local Analog Loopback (for FCD-IPM with a Sublink) – In this mode
the data transmitted from FCD-IPM to the sub E1 line is sent back to the
receive path instead of the received data from the sub E1 line. The loopback is
shown in Figure 5-62.