Citel 3000 Guía Del Usuario
Page 64
EXTender 3000 System Administrator’s Guide (Definity)
Data Communication Installation Topologies
Data Communication Installation Topologies
Serial Data Type Installation Topologies
Serial Data Configuration 1– Null Modem Dial Up Networking
This configuration allows you to use the EXTenders and a standard dial-up networking client, like Windows
Dial-Up Networking, to simultaneously access the office digital phone functionality and the company net-
work resources. Access is provided across a single ISDN B Channel. The other B channel can be used for an
analog fax, phone, or modem.
Dial-Up Networking, to simultaneously access the office digital phone functionality and the company net-
work resources. Access is provided across a single ISDN B Channel. The other B channel can be used for an
analog fax, phone, or modem.
Figure 5: Connections to Access the Corporate LAN
RAS configured to use
Null Modem/Direct Cable
Connection
Corporate LAN
Office Module
(Serial Data)
PBX
Straight Through
RS-232
BRI
ISDN
BRI
PC with Remote Dial-
up Networking
configured to use a
Null Modem/Direct
Cable Connection
Analog Phone/Fax
Remote Module
(Serial Data)
Digital Phone
Straight Through
RS-232
RJ11