ZyXEL Communications VOP1372G-61 User Manual page 14

Chapter 1 Introducing the VOP1372G
You can also deploy individual VOPs with H.248 firmware as stand-alone H.248 interfaces. The
following graphic shows VOPs in three different chassis where each VOP is configured as a separate
H.248 interface.
Figure 2 De-centralized VOPs Deployment
H.248 Interface
H.248 Interface
H.248 Interface
MGC Redundancy for Higher Reliability
You can configure the H.248 interface to use a second (backup) MGC in case the first MGC is not
available.
Figure 3 MGC Redundancy
C
H.248 Signaling Card Redundancy for Higher Reliability
An H.248 interface consists of a "Signaling Card" (SC) and at least one "Media Card" (MC). A
VOP1372G-61 can act as either an SC, an MC, or both. The SC processes H.248 protocol messages
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H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
MG
ANALOG
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
MGC 1
MGC 2
IP NETWORK
H.248 Interface
H.248 Interface
H.248 Interface
H.248 Interface
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VOP1372G-61 User's Guide