US Robotics USR3500 Guide d'installation télécharger pdf (Page 20)

Rev 1.1 9/22/14 20

Getting Started

Features

Description

SMS

Text & PDU

POINT TO POINT (MT/MO)

Cell broadcast

Data

Data circuit asynchronous

Transparent and Non Transparent modes

Up to 14,400 bits/s

MNP Class 2 error correction

V42.bis data compression

UMTS Data

Transfer

BAND I, II, V, VI, VIII (2100/1900/850/800/900) up to 384kbits/s

HSXPA

BAND I, II, V, VI, VIII (2100/1900/850/800/900)

HSDPA Cat 10 up to 14.4Mbits/s

HSUPA Cat 6 up to 5.76Mbits/s

Audio

Echo cancellation

Noise reduction

Full Rate, Enhanced Full Rate, Half Rate operation and Adaptive Multi-Rate

(FR/EFR/HR/AMR)

Dual Tone Multi Frequency function (DTMF).

4.2. Supported Bands

The USR3500 is a quad band EGSM900/DCS1800/GSM850/PCS1900 that also

supports penta band UMTS/HSPA (WCDMA-FDD) 2100/1900/850/800/900 (Band I, II,

V, VI and VIII). Band selection is done automatically without having to switch manually

using AT commands.

Refer to sections 6.4 Checking the Band Selection and 6.5 Switching Bands for more

information regarding switching bands.

4.3. Expansion Interface

The USR3500 offers a 50-pin expansion interface. It is an additional interface for

customers who wish to expand their application features by simply plugging in a card

through the mating connector of the interface.

Refer to the Reference Guide at http://www.usr.com/support/3500 for more information

about the expansion card supported by the USR3500.

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US Robotics USR3500 Guide d'installation Page 20