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About Cisco IPVC 3500 Series Gateway Applications and Topologies
Figure 1-9
About Cisco IPVC 3500 Series Gateway IP Network Connections
The Cisco IPVC 3500 Series Gateway features one 10/100Base-T Ethernet IP port (on the front panel)
and connects to an IP segment through a direct connection to a network switch. The Ethernet ports on
the rear panel are for future use.
About Cisco IPVC 3500 Series Gateway ISDN Network Connections
The Cisco IPVC 3521 BRI Gateway features four BRI ISDN connections. Each BRI line provides two
B channels and one D signalling channel.
The Cisco IPVC 3526 PRI Gateway and Cisco IPVC 3540 PRI Gateway feature configurable E1/T1
PRI ISDN connections. When configured as an E1 connection, each port provides 30 B channels and one
D signaling channel. When configured as a T1 connection, each port provides 23 B channels and one D
signaling channel. The type of line available depends on your local ISDN provider. You configure the
gateway PRI port to an E1 or T1 interface accordingly. In addition, you can choose to activate only
specific channels by using fractional channel selection.
You can connect the gateway directly to a PRI or BRI line provided by your local ISDN provider, or to
a local private branch exchange (PBX) that provides the BRI (as shown in figures
Figure
Administrator's Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
1-18
Mixed ISDN-IP Multipoint Multimedia Conference
IP
network
H.323
Terminal
H.323
Terminal
H.323
Terminal
Cisco IPVC MCU
H.323
Terminal
H.323
Terminal
1-11) or PRI connection (as shown in
Chapter 1
IP
IP phone
Cisco IPVC
chassis/unit
ISDN
Cisco IPVC
Gateway
IP
IP phone
Figure 1-12
and
Overview of the Cisco IPVC 3500 Series Gateway
H.320
Terminal
H.320
Terminal
H.320
Terminal
Figure 1-10
Figure
1-13).
and
OL-7995-01
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