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ITG Trunk 2.0 ISDN Signaling Link (ISL) Description, Installation and Operation
Figure 8
Signal flow from the DCH to the H.323 stack
Note: For further information on ISDN Signaling Link (ISL), refer to
X11 System Management Applications (553-3001-301), ISDN PRI:
Installation (553-2901-201), and ISDN PRI: Maintenance
(553-2901-501).
Inter-card signaling paths
The Leader, DCHIP, and Follower cards communicate using their E-LAN IP
addresses. Figure 9 illustrates the Meridian 1 IP signaling paths used
inter-card, and between the cards and the Meridian 1 system, in the ITG
offering.
DCH
Processor
H.323
Processor
Backplane
(E-LAN)
(T-LAN)
Meridian 1
DCH
DCHIP
VxWorks
TCP/IP
Intercard Signaling
10BaseT Ethernet
10/100BaseT Ethernet
H.323
Signaling/Voice
VxWorks
TCP/IP
FOLLOWER
MSDL
553-9475