FCD-IPM Installation and Operation Manual Chapter 1 Introduction
Overview 1-3
The second WAN option is not available when configuring E1/T1 with an ISDN backup.
The dual LAN configuration is not available when configuring E1/T1 with an ISDN
backup.
Applications
FCD-IPM is the solution for several different applications. Order your unit
according to your specific application requirements. FCD-IPM can be used as a
router for the office LAN to access the Internet/Intranet and at the same time
control access from the local PBX to the E1/T1 line. FCD-IPM can also have up to
twelve telephones connected directly to the unit for those applications where a
PBX is not present. The following is a list of application options for
FCD-IPM:
FCD-IPM with PBX and LAN - In the application shown in Figure 1-1,
FCD-IPM supports a single LAN connection to the Internet/Intranet and voice
connectivity to the PSTN.
VOICE
LAN
LAN
Figure 1-1. FCD-IPM with PBX and LAN
FCD-IPM with four Telephones and LAN – In the application shown in
Figure 1-2, FCD-IPM supports four individual telephones connected to the
carrier, and a LAN connection to the Internet/Intranet.
VOICE
LAN
FXS FXS
x4 x4
PABX/PBX
Figure 1-2. FCD-IPM with Eight Telephones and LAN over SHDSL
Note