User Manual

AS4000 Wireless Local Loop
System Overview
GSI 001
605-0000-430
Issue 1.2 Date 7/4/99
Page 2 of 16
• Plain Old Telephone System (POTS). equivalent service
• Fixed line 2x 64 kbit/s data services
• Fixed Line ISDN basic rate access 144kbit/s
• The AS4000 System consists of 3 major physical blocks (See Figure 1): Subscriber
Terminals (ST)., which are located at the customer’s premises up to 60 STs per system;
the Central Terminal (CT); and AS8100 Sitespan or the AS8300 Element manager
Central Terminal (CT)
Omni-
Antenna
#1
#60
Air-Interface
Up to 60 ST
Installations
SiteSpan /
Site Controller
Circuits from
ST-D128 to Data
Equipment
Circuits from
ST-V2 to
Exchange
Equipment
Subscriber
Terminal
(ST-V2)
- + - +
CRU
Subscriber
Terminal
(ST-I1)
CRU
Subscriber
Terminal
(ST-D128)
CRU
Circuits from
ST-I1to ISDN
Switch
ACC
AS4000
Figure 1. AS4000 System
The CT and ST terminate each end of the radio link and convert them to the appropriate
communication interface. In the case of the CT, this is the interface to the network
operators equipment. In the case of the ST, this is the service interface to the Customer
Premises Equipment (CPE). The AS8100 Sitespan provides an interface for the network
operator to control and manage the system’s operation and configuration.
4 VF system
The ST-V2 (Figure 2) can be used for: