User Manual

AS4000 Subscriber Terminal

Installation and Commissioning GSI 002

605-0000-436

Issue 1.5 Date: 18th October 1999

Page 2 of 6

2. ST-V2

2.01 The ST-V2 provides two analogue VF telephone lines. These can be used for

telephony, fax and modems. The system supports CAS/ DASS2 connections to the

switched network and supports the full range of advanced services supported by

these interfaces, including CLASS services and Subscriber Pulse Metering (SPM).

3. ST -D128 Subscriber Terminal

3.01 The ST-D128 provides fixed link access in support of customer Premise Equipment

(CPE) and special applications that can utilize fractional E1, N x 64 kbit/s services.

The ST-D128 supports two 64 kbit/s time-slots on a 2 Mbit/s G.703 interface with

TS0 alarm and synchronisation support. TS16 signalling support is not required.

CRU

Junction

Box

30V

Type 1

AC PSU

NTTP

(RJ45)

Interface

Converter

Figure 2. Subscriber Terminal D128

3.02 The equipment to be connected to the ST-D128 is CPE equipment designed to

support the private or virtual private networks of business customers. The CPE

equipment supports a variety of data, voice and image applications where traditional

analogue or low speed (<9,600 kbit/s) digital services are inadequate. Additionally,

there are a number of specialised applications, such as the support of microcell base

stations, that can be served by the ST-D128.

3.1 Using Interface Converters

Products that are not designed for using the E1 interface can be connected to the

system using an interface converter that provides either 2 x 64 kbit/s (X.21 or V.35)