Router 2-Port Fxs/2-Port Fxo Fic And Router 4-Port Fxs/4-Port Fxo Fic; Introduction; Interface Attributes - 3Com 3C13886 - Router OC-3 ATM SML Flexible Interface Card Installation Manual

3Com Router Module Guide
4.15 ROUTER 2-PORT FXS/2-PORT FXO FIC and ROUTER
4-PORT FXS/4-PORT FXO FIC

4.15.1 Introduction

The 2-/4-port voice subscriber circuit interface card, processes and transmits over
data communications networks voice signals for 2/4 regular analog phones, faxes, or
AT0 loop trunks of telephone exchanges.
The 2-/4-port voice AT0 analog trunk interface card, processes and transmits over
data communications networks voice signals for 2/4 loops of telephone exchanges.
Caution:
When connecting the ROUTER 2-PORT FXS/2-PORT FXO FIC or the ROUTER 4-PORT FXS/4-PORT
FXO FIC, make sure your router has access to an IP network or some other WAN.

4.15.2 Interface Attributes

The following table describes the interface attributes of the ROUTER 2-PORT
FXS/2-PORT FXO FIC and the ROUTER 4-PORT FXS/4-PORT FXO FIC.
Table 4-33 Interface attributes of the ROUTER 2-PORT FXS/2-PORT FXO FIC and the ROUTER
4-PORT FXS/4-PORT FXO FIC
Attribute
Connector
Number of
connectors
Cable
Interface standard
Dial-up mode
RJ-45
2 (ROUTER 2-PORT FXS/2-PORT FXO FIC)
4 (ROUTER 4-PORT FXS/4-PORT FXO FIC)
Telephone cable with ferrite core
ITU Q.512-compliant subscriber circuit interface
ITU Q.552-compliant loop trunk interface
ITU K.20-compliant overcurrent protection
Dual-tone multifrequency (DTMF), compliant with GB3378
(Pulse dial is not available.)
4-51
Description
Chapter 4