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About the PathBuilder S21x Switch 1-7
Target Application Environments
Branch Office to
Central Office over
Frame Relay
The PathBuilder S21x switch offers an ideal solution for branch office to central
office connectivity over a private or public frame relay network as shown in
Figure 1-4.
Figure 1-4. PathBuilder S21x switch supporting Voice and Video over
Frame Relay
Frame Relay
Equipped with DSU DIM,
Voice Relay, and ISDN
Daughtercards
Branch Office
Security Monitoring
at Branch Office
Video Camera
Ethernet
PCs Running Host Video
Workstation Application
Central Office
ISDN
Equipped with
RemoteVu Daughtercard
PB S200
Ethernet
PBX
PB S200
PBX
Application
Type
Daughtercard
Used
Application Description
Branch access to
Central Office
DSU DIM and Voice
Relay Daughtercards
The PathBuilder S21x switch supports voice, video and
data traffic between the branch and central office over pri-
vate or public frame relay network. The Voice Relay
Daughtercard supports telephones, PBX, and faxes.
Connect a telephone or PABX to one FXS port on the
Voice Relay Daughtercard and all branch telephones have
access to the central office PBX. This eliminates long
distance telephone charges between the branch and
central office.
Security
Monitoring at
Branch Office
RemoteVu and DSU
Daughtercards
The PathBuilder S21x switch equipped with a RemoteVu
Daughtercard provides security surveillance and remote
monitoring of the branch office location from the central
office. The RemoteVu Daughtercard packetizes video
stream in IP and sends the data over the frame relay.
Security personnel at the central office can control the
branch office video camera from a PC running the Host
Video Workstation application.