Bausch Datacom DinBox PSTN Reference Manual

Reference manual

DinBox PSTN (485)

modem

Bausch Datacom NV Tiensesteenweg 56 B-3360 Korbeek -Lo +3216461288 [email protected]

DinBox PSTN Reference manual – V1.3

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! CAUTION !

ELECTRIC SHOCK HAZARD IF COVER REMOVED

SERVICE BY QUALIFIED PERSONEL ONLY

Document History

Date Version Status Author Info

21/10/2004 V1.0 Preliminary Filip Lavaerts Creation 22/02/2005 V1.1 Filip Lavaerts DinBox PSTN(485) ? RS -485 option 18/03/2005 V1.2 Filip Lavaerts Selective CID answer function (8. 2.4)

PSTN line connection (4.3)

08/02/2006 V1.3 Filip Lavaerts Approval info

Jumper JP2 / RS -485 example / RS-232 connections

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Serial signal flow definition in this manual

DCE

DTE

TxD RxD DTR

DCD

RTS CTS

RI

DSR

GND

Modem

DinBox PSTN

. . .

Communication

device

PC

POS PLC

. . .

Application

IN OUT

Data

Terminal

Equipment

Data

Communication

Equipment

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1. Introduction 6

2. Block Diagram 7

3. Specifications 8

3.1 Housing 8

3.2 Connectors 9

3.3 Environmental conditions 9

3.4 Power Supply specifications 9

3.5 PSTN modem specifications 10

4. Ports and Connectors 11

4.1 Power connection 11

4.2 Standard DTE Interface 12

4.3 PSTN connection 12

5. LED Indicators 13

6. Watchdog functionality 13

7. RS-485 interface 14

7.1 External connections 14

7.2 Schematic overview of the RS-485 circuit 15

7.3 Possible jumper settings 16

7.4 Example configuration for RS-485 communication 17

8. AT-commands interface 18

8.1 Standard command overview 18

8.2 Enhanced features 22

8.2.1 Dump mode 22

8.2.2 Leased line configuration 22

8.2.3 Asynchronous DTR-dailling 23

8.2.4 Selective CID answer 23

A. Certificate of compliance c-CSA-us 24 B. EC-declaration of conformity 26

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1. Introduction

This manual is the reference book when setting up the DinBox PSTN(485) modem for your application. Because of the nature of this product and it's field of application, some

degree of technical background knowledge regarding the application and datacommunication is assumed.

The DinBox PSTN(485) modem is a versatile communications device designed to provide a very flexible data communication solution for an industrial environment.

To ensure problem free communication, the DinBox PSTN(485) is equipped with a ‘long term’-watchdog. This circuit will ‘hard’ reset the modem every 24 hour.

The DinBox PSTN(485) is designed to transmit and receive data on the Public Switched Telephone Network - PSTN.

The DinBox PSTN(485) has a lot of enhanced communication features implemented :

- error correction / data compression

- Caller ID detect

- V.22bis fast connect

- 2-wire analogue leased line

- dump mode

- asynchronous DTR dialing

The DinBox PSTN(485) is designed in a robust 22.5 mm wide DIN rail housing with a wide range DC- power supply.

The DinBox PSTN(485) version has an internal RS-485 2-wire and 4-wire interface. See chapter 7 for more details about this interface.

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2. Block Diagram

The block diagram below details the location and interconnection of the different functional units within the modem. The most important units are briefly described.

Power Supply

The power supply (DC) must be connected to the DinBox PSTN(485) modem via a terminal block with screw contacts. Make sure the voltage supplied to the modem is in

the range of the DinBox PSTN(485) input voltage (see specifications for details on voltage range).

This input is protected against reversed polarity with a serial diode.

DTE Interface

The DinBox PSTN(485) modem has a RS-232 interface (RJ-45) witch can be connected to a computer or similar device via included RJ-45/DB-9 serial cable. The DinBox PSTN(485) has a buid-in 2-wire and 4-wire RS-485 interface.

PSTN Modem

The DinBox PSTN(485) modem has a Conexant modem chip. Connection with the PSTN network is done via a standard RJ-11 connector.

Watchdog circuit

A long-term watchdog circuit is implemented. The power supply of the PSTN modem will be disconnected for a few seconds after the selected reset period.

If a part of the DinBox PSTN(485) is ‘locked’ after e.g. an unexpected high ESD discharge, surge pulse or an internal lock-up, this watchdog will always insure the

continuity of communication.

RS-232 RS-485

10 - 40 Vdc

PSTN

TxD RxD DCD

DTE

Interface

Power

Supply

Watch

DOG

PSTN

Modem

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3. Specifications

3.1 Housing

Phoenix Contact EG22,5 ABS DIN rail housing (EG22.5-G/ABS GN + EG22.5-A/ABS GN)

?? 22.5 mm 107.5 mm x 75 mm ?? IP40 ?? Symmetrical DIN rail mounting according EN50 022 ?? Green color

Standard ABS Acryl Butadiene Styrene – Tmax = 80 °C

Inflammability class acc. to UL 94 : HB Optional PC (only on special request)

Polycarbonate – Tmax = 115 °C metal DIN-rail clip Inflammability class acc. to UL 94 : V0

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3.2 Connectors

Power Supply 4-pin header (MSTBO2.5/4-GR(L)-5.08)

pitch : 5.08 mm / Inom : 12 A / Unom : 250 V

& Not Used 4-pin plug (MVSTBW2.5/4-ST-5.08)

pitch : 5.08 mm / Inom : 12 A / Unom : 250 V / Max. conductor cross section, flexible : 2.5 mm²

RS-485 4-pin header (MSTBO2.5/4-GR(L)-5.08)

pitch : 5.08 mm / Inom : 12 A / Unom : 250 V

Connections 4-pin plug (MVSTBW2.5/4-ST-5.08)

pitch : 5.08 mm / Inom : 12 A / Unom : 250 V / Max. conductor cross section, flexible : 2.5 mm²

PSTN line RJ-11

Serial DTE RJ-45 8x8 (Molex)

3.3 Environmental conditions

Temperature in use -10°C / + 50°C Humidity in use 10% - 75% (non condensing)

3.4 Power Supply Specifications

Input voltage range: 10 – 40 Vdc regulated Typical power consumption : 150mA (Max., Operating on-line)

CTS

RTS

RI

GND

DTR TXD RXD

DCD

- +

Power

Supply

x x

Not

Used

RS-485

4 3 2 1

Line

RJ-11

Serial DTE

RJ-45

DCD

WD

RxD

TxD

A’

A

B

B’

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3.5 PSTN modem Specifications

?? ITU-T V.92 with PCM upstream rates up to 48 kbps, QuickConnect and Modem-on-hold functions ?? V.92, V.90, V.34, V.32bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and Bell 103 ?? V.22 bis fast connect

?? V.250 and V.251 commands ?? V.253 commands

?? Data compression and error correction ?? V.44 data compression for optimal downloading of Internet Web pages and files ?? V.42 bis and MNP 5 data compression ?? V.42 LAPM and MNP 2-4 error correction ?? MNP 10EC(tm) enhanced cellular performance

?? Flow control and speed buffering. ?? Automatic format/speed sensing. ?? RS-232 Serial async interface, supports speeds up to 230.4 Kbps

?? 11-bit Direct mode

?? Fax modem ?? V.17, V.29, V.27 ter, and V.21 channel 2 ?? EIA/TIA 578 Class 1 and T.31 Class 1.0 commands

?? Upgradeable Flash ROM ?? Data/Fax/Voice call discrimination ?? Hardware-based modem controller and digital signal processor (DSP) ?? Worldwide operation ?? Call progress, blacklisting

?? Distinctive ring detect ?? Caller ID detect

?? Off-hook Call Waiting Caller ID detection during data mode in V.92, V.90, V.34, V.32bis, or V.32 ?? 2-bit and 4-bit Conexant ADPCM, 8-bit linear PCM, and 4-bit IMA coding 8 kHz sample rate ?? Concurrent DTMF, ring, and Caller ID detection

?? 2-wire Leased Line ?? Dump mode

?? Asynchrone DTR -dialling

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4. Ports and Connectors

Before you start the installation, take a moment to become more familiar with the possible connections to and from the DinBox PSTN(485) modem.

Disconnect the mains power before connecting or

disconnecting the power and/or DTE plugs !

4.1 Power Connection

+ + DC

- - DC Always disconnect the mains power before connecting or disconnecting the power. Make sure the voltage supplied to the modem is in the range of the DinBox PSTN(485)

power supply specification (see specifications for details on voltage range).

-

+

Power

Supply

x x

Not

Used

RS-485

4 3 2 1

Line

RJ-11

Serial DTE

RJ-45

DCD

WD

RxD

TxD

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4.2 Standard DTE Interface

Only devices which are conform with the safety

regulations can be connected to the DTE port!

The DinBox PSTN(485) is equipped with a RJ-45 (8x8) connector. This is the serial interface of the modem.

A Bausch RJ-45 to a standard DB9 (female) cable is delivered with the DinBox PSTN(485) modem.

EIA/TIA561 pin layout is possible on special request (info in RED).

RJ45

DB9

V.24/V.28

I/O

TEXT

Bausch EIA/TIA

561

CCITT

DIN EIA

1 2 1 109 M5 DCD O Data carrier detect 2 5 2 104 D2 R D O Receive data 3 6 3 103 D1 T D I Transmit data 4 3 4 108/1

108/2

S1.1 S1.2

DTR I Data terminal ready

5 4 5 102 E2 GND --- Signal ground

- - 6 107 M1 DSR O Data set ready 7 8 7 105 S2 RTS I Request to send 8 7 8 106 M2 CTS O Clear to send 6 - 9 125 M3 RI O Ring indicator

Output: from DCE (modem) to DTE (terminal) Input: from DTE (terminal) to DCE (modem)

8 CTS

7 RTS 6 RI 5 GND 4 DTR 3 TXD 2 RXD 1 DCD

8 RTS

7 CTS 6 TXD 5 RXD 4 GND 3 DTR 2 DCD 1 -

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The DinBox PSTN(485) modem will detect the DTE port speed (auto baud), number of data bits and parity type from the "AT" header that precedes every command (in async mode).

The &W command automatically saves the baud rate, number of data bits, parity and number of stop bits.

4.3 PSTN connection

The DinBox PSTN(485) modem has to be connected to a PSTN line via the RJ-11 connector.

There are 4 pins connected : A / B ? connection to the telephone network

A’ / B’ ? connection for a parallel connected telephone A is always connected to A’ and B is always connected to B’. Therefore it is sometimes

necessary to use a 2-wire telephone cable (only 2 wires in the middle) when the DinBox PSTN(485) is connected to a digital PABX with analogue telephone lines. A’ and/or B’ can be used as signalling lines between the telephone and the PABX.

5. LED indicators

TxD Transmit Data from DTE to modem RxD Receive Data from modem to DTE DCD Data Carrier Detect from modem to DCE WD Watchdog heartbeat 1 sec on/off

6. Watchdog functionality

To prevent a “total lock-up” of the DinBox PSTN(485) a long term watchdog is implemented. This function is created with a separate RISC micro controller. The micro controller itself is guarded with it’s own internal watchdog (+/- 1 second refresh / WD LED flash).

The power supply to the communication control processor and the modem module will be disconnected for a few seconds after +/- 24 hour IF the modem is NOT connected

(inactive DCD signal). If the reset period is ended and the modem is connected to a remote host (active DCD

signal) the reset will not be conducted. If the reset period is ended and the watchdog already past a reset, because of an active

DCD signal, the reset will be conducted after +/- 10 minutes ! Otherwise, if the DinBox PSTN(485) is “locked-up” with an active DCD signal the

watchdog will never be able to reset the WAN module.

A’

A

B

B’

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7. RS-485 interface

The DinBox PSTN(485) has an internal RS-485 4-wire and 2-wire interface. See the next chapters for more information about the use and setup of this interface.

7.1 External connections The RS-485 interface must be connected via the screw contacts on the opposite side of

the power connection.

2-wire 2-wire signal flow

4-wire 4-wire signal flow

1

- - RCV/z output – to DTE

2

B in/out XMIT/b input – from DTE

3

A in/out XMIT/a input – from DTE

4

- - RCV/y output – to DTE

See page 4 for the serial V.24 signal flow definitions in this manual. A modem is a DCE device, receive is output and transmit is input !

In chapter 7.2 you will find a schematic overview of the RS-485 circuit. In chapter 7.3 you will find an overview of the possible jumper settings.

-

+

Power

Supply

x x

Not

Used

RS-485

4 3 2 1

Line

RJ-11

Serial DTE

RJ-45

RXD

TXD

DCD

WD

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7.2 Schematic overview of the RS-485 circuit

/RXD B A

receiver

transmitter

47 E

IO 4

IO 1

560 E

120 E

JP10

JP11

JP9 9V1 4V7

560 E

B A

47 E

dT

receiver

transmitter

~recEN

traEN

IO 3 IO 2

560 E

120 E

JP2 JP4 JP8 JP3 9V1 4V7

560 E

/RXD Y Z /TXD JP6 JP5 JP7

1 3 1 1 3 3

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7.3 Possible jumper settings

11 jumpers are to be set for a correct RS-232 / RS-485 interface configuration.

Function 1-2 2-3 Open Close JP1

How to switch between the RS-232 and RS-485 interface ?

DTR active RS -232 DTR not active RS -485

Always RS -232

See note(1)

- -

JP2

Delay after sending a character (DCE > DTE) and enabling the receiver again (DTE > DCE, idle state)

- - +/- 20 ms 1200 bps 2400 bps 4800 bps

+/- 2 ms >= 9600 bps

See note(2)

JP3

Termination ? line 2-3

- - No resistor 120 E

JP4

+ onto line 3

- - - + connected

JP5

B line switch

2-wire 4-wire - -

JP6

A line switch

2-wire 4-wire - -

JP7

/TXD switch

2-wire 4-wire - -

JP8

- onto line 2

- - - - connected

JP9

Termination ? line 1-4

- - No resistor 120 E

JP10

+ onto line 4

- - - + connected

JP11

- onto line 1

- - - - connected

(1) The DTR signal is not active when the DTE – DCE connection is done by using a 3wire RS-232 interface (RXD, TXD and GND). Use JP1 position 2-3 to lock the RS-232 interface. By default JP1 position 1-2 is used : when the DTR is active, f.e. during configuration of the DinBox PSTN(485), the RS-232 interface is active. If no DTR, the

RS-485 interface is active. (2) It is preferred to disable autosensing and lock the interface speed with the +IPR

command when the baudrate is higher or equal then 9600 bps.

1 JP1 3

3 JP7 1

3 JP6 1

3 JP5 1

JP2 JP3 JP9 JP11

JP8 JP4 JP10

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7.4 Example conf iguration for RS-485 communication

The RS-485 interface must be connected via the screw contacts on the opposite side of the power connection.

Connect a terminal (PC) to the RS-232 interface (RJ45). The DinBox PSTN(485) will automatically switch to the RS-232 interface if DTR is present (JP1 on 1-2 position).

Verify the correct communication parameters, for example 9600 8N1. Send the commands below to the DinBox PSTN(485) modem.

at&f ‘ factory reset at+ipr=9600 ‘ autosensing off, lock on 9600 bps at&d0 ‘ no DTR at&k0 ‘ no RTS / no flow control atk0 ‘ dump mode ats0=0 or x ‘ no answer (0) or answer after x rings ate0 ‘ local echo off at&w ‘ save in NVRAM

It’s important to disable local echo (ate0) when RS-485 2-wire is used !

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8. AT Command interface

8.1 Standard command overview

The configuration of the DinBox PSTN(485) is done by sending AT command to the modem, changing S-registers into the modem and interpreting the responses sent by the modem.

We have added the original Conexant reference manual onto the CD-ROM. Below you will find a overview of all the possible command and S-registers.

Data Commands 3-2

Generic Modem Control 3-2

Z - Soft Reset and Restore Profile 3-2 +FCLASS - Select Active Service Class 3-2 +VCID - Caller ID (CID) 3-3 +VRID - Report Retrieved Caller ID (CID) 3-4 \N - Operating Mode 3-5 I - Identification 3-6 +GMI - Request Manufacturer Identification 3-7 +GMI9 - Request Conexant Identification 3-7 +GMM - Request Model Identification 3-8 +GMR - Request Revision Identification 3-8 +GCAP - Request Complete Capabilities List 3-8 +GCI - Country of Installation 3-9 &F - Restore Factory Configuration (Profile) 3-10 &T - Local Analog Loopback Test 3-10 &Y - Designate a Default Reset Profile 3-11 &W - Store Current Configuration 3-11 &Zn=x - Store Telephone Number 3-12 %7 - Plug and Play Serial Number 3-12 %8 - Plug and Play Vendor ID and Product Number 3-13 **- Load Flash Memory 3-14

DTE-Modem Interface commands 3-17

E - Command Echo 3-17 Q - Quiet Results Codes Control 3-17 V - Result Code Form 3-18 W - Connect Message Control 3-18 X - Extended Result Codes 3-19 &C - RLSD (DCD) Option 3-24 &D - DTR Option 3-24 &K - Flow Control 3-25 &M - Asynchronous/Synchronous Mode Selection 3-26 &Q - Sync/Async Mode 3-27 &R - RTS/CTS Option 3-28 &S - DSR Override 3-28 &X - Select Synchronous Clock Source 3-29 +IPR - Fixed DTE Rate 3-30 +IFC - DTE -Modem Local Flow Control 3-31 +ILRR - DTE -Modem Local Rate Reporting 3-32 +IBC – In Band Commands 3-34

Call Control 3-37

D - Dial 3-37 T - Set Tone Dial Default 3-40 P - Set Pulse Dial Default 3-40 A - Answer 3-40

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H - Disconnect (Hang-Up) 3-41 O - Return to On-Line Data Mode 3-42 L - Speaker Volume 3-43 M - Speaker Control 3-43 &G - Select Guard Tone 3-44 &P - Select Pulse Dial Make/Break Ratio 3-44 &V - Display Current Configuration and Stored Profiles 3-45 &V1 - Display Last Connection Statistics 3-46 \V - Single Line Connect Message Enable 3-47 %L - Report Line Signal Level 3-48 %Q - Report Line Signal Quality 3-48 *B - Display Blacklisted Numbers 3-48 *D - Display Delayed Numbers 3-49 –PPD= - Extension Pickup Notification through 16550 UART 3-49 –STE= - Set Telephony Extension 3-50

-TRV – Tip & Ring Voltage 3-55

-TTE - Threshold Adjustments for Telephony Extension 3-56

Modulation Control Commands 3-57

+MS - Modulation Selection 3-57 +MR - Modulation Reporting Control 3-59 %E - Enable/Disable Line Quality Monitor and

Auto-Retrain or Fallback/Fall Forward 3-61

B - CCITT or Bell 3-62

Error Control Commands 3-63

+ES - Error Control and Synchronous Mode Selection 3-63 +EB - Break Handling in Error Control Operation 3-65 +ESR - Selective Repeat 3-65 +EFCS - 32-bit Frame Check Sequence 3-66 +ER - Error Control Reporting 3-67 +ETBM - Call Termination Buffer Management 3-69 \B - Transmit Break to Remote 3-70 \K - Break Control 3-71

-K - MNP Extended Services 3-72

Data Compression Commands 3-73

+DS - Data Compression 3-73 +DS44 - V44 Compression Select 3-74 +DR - Data Compression Reporting 3-75 %C - Enable/Disable Data Compression 3-77

V8/V8bis Commands 3-78

+A8E - V8 and V8bis Operation Controls 3-78 +A8I: - CI Signal Indication 3-79

Synchronous Access Mode Commands 3-80

+ESA - Configure Synchronous Access Submode 3-80 +H - Enable/Disable RPI 3-82 +ITF - Transmit Flow Control Thresholds 3-83

Diagnostic Commands 3-84

#UD – Last Call Status Report 3-84 %TT - PTT Test Command 3-92

Compatibility Commands 3-93

&L - Leased Line Operation 3-93 )M - Enable Cellular Power Level Adjustment 3-93 @M - Initial Cellular Power Level Setting 3-94 :E - Compromise Equalizer Enable Command 3-94

Fast Connect Commands 3-95

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$F – Fast Connect Control 3-95

V92 +P and –Q Commands 3-96

+PCW - Call Waiting Enable 3-96 +PMH - Modem-on-Hold Enable 3-97 +PMHT – Modem-on-Hold Timer 3-98 +PMHR - Initiate Modem-on-Hold 3-99 +PIG - PCM Upstream Ignore 3-100 +PMHF - V92 Modem-on-Hold Hook Flash 3-100 +PQC - V92 Phase 1 and Phase 2 Control 3-101 +PSS - Use Short Sequence 3-102

-QCPC - Force Full Startup Procedure Next Connection 3-103

-QCPS - Enable Quick Connect Profile Save 3-103

S-Parameters 3-104

S0 - Number of Rings to Auto-Answer 3-106 S1 - Ring Counter 3-106 S2 - Escape Character 3-106 S3 - Carriage Return Character 3-106 S4 - Line Feed Character 3-106 S5 - Backspace Character 3-107 S6 - Wait Time before Blind Dialing or for Dial Tone 3-107 S7 - Wait Time for Carrier, Silence, or Dial Tone 3-107 S8 - Pause Time For Dial Delay 3-108 S9 - Carrier Detect Response Time 3-108 S10 - Lost Carrier To Hang Up Delay 3-108 S11 - DTMF Tone Duration 3-108 S12 - Escape Prompt Delay (EPD) 3-109 S14 - General Bit Mapped Options Status 3-109 S16 - Test Mode Bit Mapped Options Status 3-109 S17 - Point Of Sale Options Selection 3-110 S19 - Reserved 3-111 S20 - Reserved 3-111 S21 - V24/General Bit Mapped Options Status 3-112 S22 - Speaker/Results Bit Mapped Options Status 3-112 S23 - General Bit Mapped Options Status 3-113 S24 - Sleep Inactivity Timer 3-113 S25 - Delay To DTR Off 3-113 S26 - RTS to CTS Delay 3-113 S27 - Bit Mapped Options Status 3-114 S28 - Bit Mapped Options Status 3-114 S29 - Flash Dial Modifier Time 3-115 S30 - Disconnect Inactivity Timer 3-115 S31 - Bit Mapped Options Status 3-115 S36 - LAPM Failure Control 3-116 S38 - Delay Before Forced Hang Up 3-116 S39 - Flow Control Bit Mapped Options Status 3-117 S40 - General Bit Mapped Options Status 3-117 S41 - General Bit Mapped Options Status 3-118 S46 - Data Compression Control 3-118 S48 - V42 Negotiation Control 3-118 S86 - Call Failure Reason Code 3-119 S91 - PSTN Transmit Attenuation Level 3-120 S92 - Fax Transmit Attenuation Level 3-120 S95 - Extended Result Codes Control 3-120 S210 – V34 Symbol Rates 3-121

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Result Codes 3-122 FaxClass1 and FaxClass10 Commands 4-1

Commands and Parameters 4-6 Mode Entry Commands 4-6

+FCLASS=1 - Select Facsimile Class 1 Mode 4-6 +FCLASS=10 - Select Facsimile Class 10 Mode 4-6

Mode Commands 4-6

+FAA - Auto Answer Enable 4-6 +FAE - Auto Answer Enable 4-7 +FTS - Transmit Silence 4-7 +FRS - Receive Silence 4-8 +FTM - Transmit Facsimile 4-9 +FRM - Receive Facsimile 4-10 +FTH - Transmit Data with HDLC Framing 4-11 +FRH - Receive Data with HDLC Framing 4-12

Service Class 1 Parameters 4-13

+FAR - Adaptive Reception Control 4-13 +FCL - Carrier Loss Timeout 4-14 +FDD - Double Escape Character Replacement 4-15 +FIT - DTE Inactivity Timeout 4-16 +FPR - Fixed DTE Rate 4-17 +FMI? - Request Manufacturer Identification 4-18 +FMM? - Request Model Identification 4-18 +FMR? - Request Revision Identification 4-18 +FLO - Flow Control 4-19

Configuration Commands 5-4

+FCLASS=8 - Select Voice Mode 5-4 +VNH - Automatic Hang-up Control 5-4

Voice Commands 5-5

+VIP - Voice Initialize All Parameters 5-5 +VRX - Start Modem Receive (Record) 5-5 +VTR - Start Voice Transmission and Reception (Voice Duplex) 5-6 +VTS - Send Voice Tone(s) 5-7 +VTX - Start Modem Transmit (Playback) 5-9 +VGR - Voice Gain Receive (Record Gain) 5-9 +VGT - Voice Gain Transmit (Playback Volume) 5-10 +VIT - Voice Inactivity Timer (DTE/Modem) 5-11 +VLS - Analog Source/Destination Selection 5-11 +VRA - Ringback Goes Away Timer 5-15 +VRN - Ringback Never Appeared Timer 5-16 +VSD - Silence Detection (Quiet and Silence) 5-17 +VSM - Compression Method Selection 5-18 +VTD - Beep Tone Duration Timer 5-19 +VDR - Distinctive Ring 5-20 +VDT - Control Tone Cadence Reporting 5-21 +VPR - Select DTE/Modem Interface Rate (Turn Off Autobaud) 5-22

Speakerphone Commands 5-23

+VSP - Speakerphone ON/OFF 5-23 +VDX - Speakerphone Duplex Mode 5-24 +VGM - Microphone Gain 5-25 +VGS - Speaker Gain 5-26

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8.2 Enhanced features

8.2.1 Dump mode

When the DinBox PSTN(485) receives a character from the DTE, during the call setup and/or speed negotiation, the modem will stop all further negotiations and will go off-line. We have added ‘dump mode’ to prevent this.

atk1 stop negotiation when a character is received atk0 dump mode active

8.2.2 Leased Line configuration

It’s possible to configure the DinBox PSTN(485) modem as a 2-wire leased line modem. This point-to-point setup has always an originate and an answer side.

What do you have to know before you start configuring the modems : Specification of the DTE port : If asynchronous what is the used speed ? eg. 9.600 bps

data / parity / stop bits ? eg. 8 N 1 flow control ? eg. RTS/CTS is DTR supported ?

If synchronous is DTR supported ? To configure the modems you can use a st andard terminal software package. If the DTE uses

asynchronous communication it is very important to use the same baudrate as the DTE port when the modem is configured. This asynchronous baudrate will be saved when the modem receives the AT&W command.

ANSWER

Information

ORIGINATE

at&f

factory reset

at&f

at&L1

enable leased line

at&L1

ats0=1

answer/originate

ats0=0

ats7=30

reset cycle

ats7=25

atk0

dump mode

atk0

at&d0

if DTR is NOT supported

at&d0

at&k0

if NO flow control

at&k0

at&k4

if XON/XOFF flow control

at&k4

at&k3

if RTS/CTS flow control

at&k3

at&m1

if synchronous DTE

at&m1

at&w

save config in NVRAM

at&w

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It is possible to change the transmit level with register S91. Default transmit level is –10 dBm. How to reset the mo dem after a leased line configuration :

?? Connect an asynchronous terminal to the DTE port of the modem. ?? You have to run a standard terminal software package on the same baudrate as you have

used for configuring the same modem for leased line.

?? At this time it is possible to give a full reset command (at&f&w) just after (within 3 seconds)

you switch on the modem.

8.2.3 Asynchronous DTR-dialing

The modem will automatically dial the saved number if DTR is changing from an inactive to an active state when asy nchronous DTR-dialing is active.

commands

Information

at&f factory reset

at&q7 enable asynchronous DTR-dialling

at&z0=x save telephone number in slot 0

x = telephone number

at&v to verify the saved number

at&w save configuration in NVRAM

8.2.4 Selective CID answer

The modem will ONLY automatically answer a call from one predefined telephone number.

commands

Information

at&f factory reset

at+vcid=1 enable CID

at&z0=x save telephone number in slot 0

x = telephone number at&v to verify the saved number atc1 enable selective CID answer

ats0=0 disable automatic answer

at&w save configuration in NVRAM

! This option is available from version 2 (ati4) or more recent.

DinBox PSTN Reference manual – V1.3

Bausch Datacom NV

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DinBox PSTN Reference manual – V1.3

Bausch Datacom NV

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DinBox PSTN Reference manual – V1.3

Bausch Datacom NV

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EC-Declaration of conformity Artists in data communication

According to the provisions of the 1999/5/EC Directive, covering all essential requirements.

We, Bausch Datacom

Tiensesteenweg 54-56 BE-3360 Korbeek-Lo Belgium

Name and address of the manufacturer or the introducer of the product on the market who is established in the EC

herewith take the sole responsibility to confirm that the product:

PSTN-modem: DinBox PSTN(485)

Type designation and, if applicable, Article -No.

which refers to this declaration, is in accordance with the following standards or standardized documents:

The following operation conditions and installation arrangements have to be resumed:

Acc. To Operating Manual

Name, address, date and legally binding signature of the person responsible

NBN EN 61000

-4-

2 Electrostatic discharge (ESD)

NBN EN 61000-4-3 Electromagnetic HF fields (Radiated Immunity) NBN EN 61000-4-4 Fast transients (EFT/B) NBN EN 61000-4-5 Surges NBN EN 61000-4-6 Injected currents (Conducted RF) NBN EN 61000-4-8 Power Frequency Magnetic NBN EN 61000-4-11 Voltage dips and interruptions (PQF) ENV 50204 Electromagnetic HF fields NBN EN 61000-3-2(1995) Harmonic Current Emission NBN EN 61000-3-3(1994) Limitation of voltage flicker NBN EN50204 (1995) Immunity / RCLI NBN EN55011 (1998) + A1 (1999) Electromagnetical disturbance: medical, industrial and

scientific appl

ications