Specifications
2-2
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 2 Commissioning the Cisco AS5300 Hardware
Understanding the Basic Hardware Architecture
Figure 2-1 Cisco AS5300 Basic System Architecture
Cloning
Cloning
Asynchronous
interfaces
Group-async
interface
TTY lines
Modems
29655
Inside a Cisco
network access server
Serial interface
channels S0:1, S0:2…
Dialer interface
controlling the
D channels
TDM bus
T1 controllers
PRI lines
POTS line BRI line
ISDN
router
Client
modem
Legend
Client
PC
Client
PC
= Synchronous PPP
= Asynchronous PPP
= Configuration
template
PSTN
Routing and
switching engine
IP
network