User Manual

AS4000 Wireless Local Loop
System Overview
GSI 001
605-0000-430
Issue 1.2 Date 7/4/99
Page 3 of 16
• Plain Old Telephone System (POTS). Each CRU provides two VF lines that can be used
as a direct replacement for those in a copper loop. All the facilities afforded to telephony
over copper lines can be offered over AS4000. These include features such Malicious
Call Indication (MCI) and Calling Line Identification (CLI). Answering Machines and
other devices can be attached up to Ringing Equivalent Number 4 (REN 4).
• Payphones. The AS4000 ST-V2 may be used for payphones and supports the use of 12
&16 kHz tones for operation of the mechanism.
• Modems can be connected for remote terminal access to the Internet and remote access
to host computers. All speeds up to 28.8 kbit/s (V34) can be supported.
• Fax. International Telecommunications Union (ITU) Group 3 Fax working is supported.
- + - +
-+-+
V2 Subscriber
Terminal
To Network
-+-+
POTS
FAX
Payphone
Modem
DSC
Airspan
V2 Subscriber
Terminal
V2 Subscriber
Terminal
Figure 2. ST-V2 Applications
5 Data
The ST-D128 is designed to provide dedicated leased data circuits for equipment which
may include:
• Local Area Network (LAN) bridges/routers
• Direct connect to computers and mainframe front end processors.