User Manual
U-SYS IAD108 Integrated Access Device
Chapter 6 ADSL Service
Configuration
6-15
DSLAM
BAS
SoftSwitch
Internet
IAD108
phone
fax
PC
Telephone line
C5 cable
The IAD108 performs
the PPP dialing and
accesses the network
The IAD108 ADSL
only transmits
layer 2 messages
transparently as a bridge
Figure 6-5
Networking of the IAD108 initiating the PPP connection in the
bridging mode
6.3.3 Configuration Procedures
The configuration of ADSL services in the bridging mode includes
four procedures as follows.
1) Setting the ATM attribute
z
In the bridging mode or non-bridging mode, you must create
an ATM interface and configure the VPI/VCI, to connect the
uplink DSLAM equipment.
z
The VPI/VCI value of the ADSL subboard is set to 0/35 by
default. It must correspond with the setting of the uplink
DSLAM. You can modify it with actual conditions.
z
The ATM attribute is set first, and can be referenced or
indirectly referenced by subsequent configurations. When