Installation Manual Part 1

Company Proprietary
Adaptive Broadband
U-NII Product Installation Manual 05/29/2001
1-2
the Physical, Data Link, and Network Layers of the OSI reference model. Each EX can
provide ATM or Ethernet backhaul.
•
Anchor Switch (AS)
- An ATM (or Ethernet) Anchor Switch in each Base Station is
used to multiplex the traffic from all APs onto a Backhaul port.
•
Control Server (CS)
- The Control Server is a reliable server running the Linux OS. It
provides a number of functions including: configuration, authentication, set-up of
management PVCs, and support of the Element Management System (EMS).
•
Element Management System (EMS)
– A GUI based application suite that allows
administrators to configure, control, and monitor all components of the system.
1.3.1 AB-Access System Architecture
Figures 1-1 and 1-2 show an AB-Access System’s typical deployment and network architecture.
Figure 1-1 AB-Access Typical Deployment
ATM
Element
Management
Server
4400
WIN NT 4.0
Ethernet
SU
Typically 6 Access
Points per Base Station
Up to 16 (254) Subscriber
Units per Access Point
Router
ISP Router
SU
Base Station
ControlServer
2450Linux
Li
ATM Switch
ATM25
DS3 /
OC3
EthernetATM25
AP
AP
AP
SU - Subscriber U
n
AP - Access Point
CS - Control Serv
e
BS - Base Station