User Manual

AS4000 Wireless Local Loop
System Overview GSI 003
605-0000-430
Issue 1.2 Date 7/4/99
Page 1 of 6 © Copyright Airspan Communications Corporation 1999
SUBSCRIBER TERMINAL HARDWARE OVERVIEW
1 General Description
Located at the customer’s premises, the ST equipment terminates the radio link and
provides the interface to the customer premises equipment (CPE) e.g., telephone, facsimile
machine, personal computer, modem etc.
Three types of Subscriber Terminal are available:
• ST-V2 providing 2 telephony circuits
• ST-D128 providing 2 x 64 kbit/s data circuits (G703)
• ST-I1 providing Euro ISDN 2B+d ‘S’ interface
The main elements, (see Figure 19) comprise:
• Customer Radio Unit (CRU), including a mounting bracket with integral terminal block
• Drop Cable
• Network Termination Unit (NTU) - one or two
• AC Power Supply Unit (AC PSU)
AC Power
Supply Unit
Network
Termination
Unit
Mains Supply
Network
Termination
Unit
Customer
Premises
Equipment
Customer
Radio
Unit
Customer’s Premises
Radio Link
Figure 19. The AS4000 Subscriber Terminal