Structured Ds1 - 3Com 3C63100-AC-C - PathBuilder S600 Bridge/router Reference Manual

Structured DS1

Implement the structured service if you require DS0 midspan drop-and-insert. See
Figure 50.
Figure 50 CBR Structured DS1 - Drop and Insert
ATM
DS1
DS0 = 5 VP = 0 VC = 35
Structured/CBR
ATM
DS1
DS0 = 5 VP = 0 VC = 35
Structured/CBR
DS0 = 5
ESF
DS1
Channel
Bank
DS0 = 5
Midspan drop and insert allows services such as public switched telephone service
to be inserted into the ATM link. Combining this service with Ethernet bridge
service provides you with a complete integrated communications access solution.
See Figure 51.
Figure 51 Integrated PathBuilder S600 Application
PBX or Key
System
Ethernet
LAN
Power
CBR
Power
CBR
Public Switched
Telephone
Network
Drop
DS0 = 6
DS0 = 1-6
Voice
ATM Network
LAN
Data
Application Overview
ATM Network
Drop
and
Insert
DS0 = 5
ATM Network
Public Switched
Drop
Telephone
and
Network
Insert
Structured Frame
DS0 = 5
ATM Trunk
Public Switched
Telephone
Network
PBX or Key
System
Ethernet
LAN
89