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AL5068S Designer’s Guide

No. AL5068S-E00-105

Altec Electronic AG

Seite 6 / 25

1.3 Features

•

D-Channel Protocols:

DSS1

- X.31 (D-Channel)

•

B-Channel Protocols:

    - HDLC transparent
    - PPP async-sync (RFC1662)
    - X.75,

V.120

V.110

- X.31, X.25

•

ISDN S0 (I.430) Interface.

•

Several Dial Procedures:

- AT commands
- Auto Connect

•

X.3 PAD intergrated.

•

Command Interpreters with standard AT Commands

•

Trace Log Buffers.

•

Caller ID access control.

•

Firmware updatable

•

Optional analog voice interface

•

Programmable EAZ / MSN

•

Advice of charge

•

Hardware-based ISDN modem controller.

•

Worldwide operation

- Complies to CTR3 and other country requirements

•

Built-in host / DTE interface with speeds up to 230.4 kbps

- Serial ITU-T V.24 (EIA/TIA-232-E) logical interface.

•

Flow control (RTS/CTS) and speed buffering

•

Automatic Speed sensing

•

+3.3V / +5V DC Operation.

•

Typical power use: 130 mW (Normal Mode)

•

Compact size (64.5 x 26.5 mm)

•

EMC approved according EN50081, EN55082, EN55022, EN55024

•

Safety approved according EN60950 :2001

•

Network approved according TBR3

•

2 Years warranty.

1.4 Command Sets and S-Registers

Modem operation is controlled by AT and S-Register Commands issued by the DTE.
Refer to the

AT commands for the AL5068S Reference Manual

Содержание AL5068S

Страница 1: ...AL5068S Designer s Guide No AL5068S E00 105 Altec Electronic AG Seite 1 25 ISDN Socket Modem AL5068S AL5068S 3V Series Designer s Guide RELEASED 13 SEPTEMBER 2006 ...

Страница 2: ...ion or otherwise under any patent rights of Altec Electronic other than for circuitry embodied in Altec products Altec Electronic reserves the right to change circuitry at any time without notice This document is subject to change without notice Product names or services listed in this publication are for identification purposes only and may be trademarks or registered trademarks of their respecti...

Страница 3: ... 10 3 3 S0 INTERFACE 16 3 4 External Reset Interface 17 3 4 1 Recommended Reset Circuit 17 3 5 IOM 2 Bus Interface 18 4 DESIGN CONSIDERATIONS 19 4 1 PC Board Layout Guidelines 19 4 1 1 General 19 4 1 2 Electromagnetic Interference EMI Considerations 20 4 1 3 Other Considerations 20 4 2 Manufacturing Considerations 21 5 PACKAGE DIMENSIONS 22 6 SOCKET MODEM APPROVALS 23 6 1 Considerations for Teleco...

Страница 4: ...3 1 SERIAL TTL PINOUT 11 FIGURE 4 1 AL5068S SOCKET MODEM PHYSICAL DIMENSIONS 22 List of Tables TABLE 3 1 SERIAL TTL SIGNALS 11 TABLE 3 2 SIGNAL DESCRIPTIONS 12 TABLE 3 3 LED INTERFACE SIGNAL DESCRIPTIONS 12 TABLE 3 4 SERIAL INTERFACE SIGNAL DESCRIPTIONS 13 TABLE 3 5 DIGITAL ELECTRICAL CHARACTERISTICS 14 TABLE 3 6 ABSOLUTE MAXIMUM RATINGS 15 ...

Страница 5: ...s supported The module is fully approved and homologated and conforms to the CE regulations This gives fastest time to market to ISDN enable any devices The compact size and high level of integration of the Socket Modem minimizes real estate and cost for motherboard and box modem applications Its low power consumption makes it ideal for a wide variety of embedded control applications The pin compa...

Страница 6: ...rge Hardware based ISDN modem controller Worldwide operation Complies to CTR3 and other country requirements Built in host DTE interface with speeds up to 230 4 kbps Serial ITU T V 24 EIA TIA 232 E logical interface Flow control RTS CTS and speed buffering Automatic format Speed sensing 3 3V 5V DC Operation Typical power use 130 mW Normal Mode Compact size 64 5 x 26 5 mm EMC approved according EN5...

Страница 7: ...parameters can be controlled by the configuration commands of the AL5068S as listed below Setting own msn number Recommended B channel protocol Serial Interface Parameters baud rate flow control etc AT Auto connect operation mode Firmware download 2 2 2 AT Connection Commands Command Function Response ATDxxx Establishes an ISDN connection CONNECT ATH Disconnects an ISDN connection OK Whenever the ...

Страница 8: ...X 31 X 25 V 110 V 120 2 4 Firmware Updates Firmware updates can always be affected via the local serial interface 2 5 Supported Interfaces The major hardware signal interfaces of the AL5068S Series Socket Modem are illustrated in Figure 1 1 Figure 1 1 Typical Serial Block Diagrams Modem Module TTL Serial Interface Indicators Leds RJ45 Modular Jack 8 pole 5 3 4 4 Optional IOM 2 Interface for extern...

Страница 9: ...Line Interface The AL5068S Socket Modem family connects to the ISDN network S0 Interface spec I 430 It supports the EDSS 1 EuroISDN protocol stack for network access IOM 2 Interface The AL5068SI 3V modem provides the IOM 2 bus External PCM codecs can be connected to use analog voice interfaces see application notes 2 7 Power consumption and power down modes To reduce power consumption of the AL506...

Страница 10: ...DN Socket Modem pin assignments with DTE serial TTL interface are shown in Figure 3 1 and are listed in Table 3 1 3 2 Signal Descriptions The Socket Modem interface signals are described in Table 3 2 3 3 and 3 4 The digital electrical characteristics are listed in Table 3 5 The absolut maximum ratings are listed in Table 3 6 ...

Страница 11: ...in 17 No pin 49 No pin 18 No pin 50 No pin 19 No pin 51 No pin 20 No pin 52 No pin 21 No pin 53 No pin 22 No pin 54 No pin 23 No pin 55 No pin 24 RESET Input 56 No pin 25 No pin 57 No pin 26 GND Ground 58 No pin 27 NC NC 59 No pin 28 NC NC 60 No pin 29 DCDIND LED Driver Output 61 VCC Power 30 RXDIND LED Driver Output 62 NC NC 31 DTRIND LED Driver Output 63 GND Ground 32 TXDIND LED Driver Output 64...

Страница 12: ...alues in NVRAM RESET is connected to a built in reset circuit on the Socket Modem This input is 5V tolerant TX S0 Bus Transmit Positive from ISDN S0 Bus TX S0 Bus Transmit Negative from ISDN S0 Bus RX S0 Bus Receive Positive from ISDN S0 Bus RX S0 Bus Receive Negative from ISDN S0 Bus Table 3 3 LED Interface Signal Descriptions Label I O Type Signal Name Description LED driver lines are open drain...

Страница 13: ...TSTTL OA Clear To Send TTL Active Low CTS is controlled by the modem to indicate whether or not the modem is ready to transmit data CTS ON together with the RTS ON DSR ON and DTR ON where implemented indicates to the DTE that signals presented on TXD will be transmitted to the ISDN network CTS OFF indicates to the DTE that it should not transfer data across the interface on TXD CTS ON is a respons...

Страница 14: ... Type IC VI 0 0 3 3 3 3 Vdc Input High Voltage Type IA Type IC VICH 2 0 2 0 Vdc Input Low Voltage Type IA Type IC VIL 0 8 0 8 Vdc Output High Voltage Type OA Type OG VOH 2 8 2 4 VCC Vdc ILOAD 4 0 mA ILOAD 1 0 mA Output Low Voltage Type OA Type OG VOL 0 4 0 4 Vdc ILOAD 4 0 mA ILOAD 1 0 mA Three State Leakage Current 3 3 0 5V ITSI 3 µADC VIN 3 3 0 5V Circuit Types Type IA Type IC Type OA TTL RESET T...

Страница 15: ...ersion VDD 0 5 0 5 7 0 3 6 Vdc Input Voltage VIN 0 5 6 0 Vdc Nominal Supply Voltage 5V Version 3V Version VDD 4 75 3 10 5 0 3 3 5 25 3 50 Vdc Static Discharge Voltage 25 C VESD 2500 V Operating Temperature Range TA 0 70 C Storage Temperature Range TSTG 40 80 C Supply Current ID 19 26 mA Power W 0 100 0 135 W Notes Test Conditions VCC 5VDC 5 TA 25 C 5V Version VCC 3 3VDC 5 TA 25 C 3V Version ...

Страница 16: ... to 4 of the Socket Modem The TX and RX signal traces are to be no closer than 2 5mm 0 1 from any other traces on the main board Pin Signal I O type Function 1 TX O ISDN Transmit RJ45 jack Pin 3 2 TX O ISDN Transmit RJ45 jack Pin 6 3 RX I ISDN Receive RJ45 jack Pin 4 4 RX I ISDN Receive RJ45 jack Pin 5 6 TX O ISDN Transmit RJ45 jack Pin 3 7 RX I ISDN Receive RJ45 jack Pin 4 8 RX I ISDN Receive RJ4...

Страница 17: ...rnal reset is necessary this input can be left open If used emergency reset it has to be driven by an open collector or an open drain 3 4 1 Recommended Reset Circuit Switch Reset Reset Pin 24 Reset Status 1 0 Active 0 1 Inactive Additional comments on RESET The reset process is activated either by the external Reset signal OR by an internal signal coming from the internal RESET generator This auto...

Страница 18: ...r both incoming and outgoing calls The serial port remains in command state in this mode The 2 external Codecs are marked with Codec A and Codec B Each Codec A or B can have his own MSN Each call can therefore be directed to a specific Codec There are 2 additional I O signals to drive the B Channel source of each Codec Please refer to the AL5068S AT Commands Reference Manual chapter 9 for a detail...

Страница 19: ...he board design to achieve desired modem performance and to attain certification The aspects of proper engineering practices are beyond the scope of this designer s guide The designer should consult noise suppression techniques described in technical publications and journals electronics and electrical engineering text books and component supplier application notes Technical and professional assoc...

Страница 20: ...ocate high frequency circuits in a separate area to minimize capacitive coupling to other circuits 8 Locate cables and connectors so as to avoid coupling from high frequency circuits 10 If a multilayer board design is used make no cuts in the ground or power planes and be sure the ground plane covers all traces 11 Minimize the number of through hole connections on traces carrying high frequency si...

Страница 21: ...he second way is to solder the Socket Modem directly to the host board The most efficient way to do this is through a wave solder process The recommended hole size for the Socket Modem pins is 0 036 in 0 003 in in diameter Spacers can be used to hold the Socket Modem vertically in place during the wave solder process A spacer should be placed on pin 32 and pin 64 of the Socket Modem A suggested pa...

Страница 22: ...t Modem Physical Dimensions AL5068S Dimensions Europe US Width 26 5 mm 1 05 Height 14 1 mm 0 55 Length 64 5 mm 2 55 Weight 12 g 0 42 oz Operating temperature 0 70 C 32 160 F Storage temperature 10 85 C 14 185 F Humidity 90 non condensing 90 non condensing 26 5mm 1 04 64 5mm 2 54 24 0mm 62 0mm 7 6mm 6 5mm 2 0mm 0 5mm 1 6mm ...

Страница 23: ...for use with this design may affect the network access characteristics of the modem and may therefore invalidate the type approvals permits and or licences In both cases for the connection between the host and the PSTN wall connector a cable with RJ 45 modular jack and an appropriate national plug must be used 6 2 Considerations for Electrical Safety 6 2 1 Conditions for Maintaining Safety Complia...

Страница 24: ...andards which refers to EN 55024 1999 6 3 2 Installation in Host Systems European Countries It is assumed that the Socket Modem will only assembled in host systems that comply with the EMC Directive As per definition of the EMC Directive the card and its host system will constitute an installation similar to e g a PC card modem installed in a personal computer Therefore if the host system complies...

Страница 25: ...2 1UF C8 0 01UF PO1 PO1 DD R15 10K R4 20K R3 20K C9 NA U2 MC145481DW 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 REF RO PI PO PO VDD FSR DR BCLKR PDI VAG TI TI TG MU A VSS FST DT BCLKT MCLK SOCKET MODEM 19 20 21 22 R10 10K R11 10K PO2 B R14 10K VCC3V R12 20K R1 10K DCL C13 NA VCC3V B1 B2 A C3 0 1UF C6 NA PO2 FSC PO2 C14 0 1UF R2 10K DU ANALOG CH B 1 2 3 4 5 6 R7 10K C5 1UF FSC R16 10K C7 0 ...

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