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1-14 About the Vanguard 342
Target Applications
SOHO and Branch Office to Central Office over ISDN
Introduction The Vanguard 342 equipped with optional daughtercards provide a wide range of
network solutions for companies with small branch offices or telecommuting
employees working from a home office. A dial in or dedicated ISDN link provides
network connection for the home and branch as shown in Figure 1-6.
Figure 1-6. Small Home and Branch Office to Central Office Application
7330
ISDN
Ethernet
Branch Office Central Office
PBX
Internet
Ethernet
Ethernet
Small Home Office
Vanguard 342
Equipped with
FXS/FXO and
ISDN Daughtercards
Vanguard 342
Equipped with
FXS/FXO and
ISDN Daughtercards
PBX