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CXR AJ 2885P User Manual

V34 fax-modem
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User's Manual
V34 Fax-modem - AJ 2885P
P/N 8000 601 953
Revision 01
Sales, manufacturing and R&D Center :
CXR SA
Rue de l'Ornette - 28410 Abondant - France
Tél 33 (0) 237.62.88.00 - Fax 33 (0) 237.62.88.01
Technical support: 33 (0) 237.62.88.04
WEB Site: http://www.cxr.fr
V34bis Fax-modem - AJ 2885 P
User's Manual
AJ 2885 P - Page 1

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  • Page 1 User's Manual V34bis Fax-modem - AJ 2885 P User's Manual V34 Fax-modem - AJ 2885P P/N 8000 601 953 Revision 01 Sales, manufacturing and R&D Center : CXR SA Rue de l'Ornette - 28410 Abondant - France Tél 33 (0) 237.62.88.00 - Fax 33 (0) 237.62.88.01 Technical support: 33 (0) 237.62.88.04...
  • Page 2 CXR reserves the rights to improve its products and specifications without notice. CXR has made every effort to provide the best possible quality in writing this manual but cannot be held responsible for any damage, which could result from errors or improper description of the equipment, its characteristics and operation.
  • Page 3 EN.60950 standard For electromagnetic compatibility, in compliance with the 89/336/EEC European Directive, as per EN.61000-6-1 and EN.61000-6-3 standards. CXR states that this equipment is manufactured in compliance with the Annex II of the 1999/05/EEC European Directive. Safety Instructions The following accesses are referenced as SELV (Safety Low Voltage] in conformity with EN.60950 standards:...
  • Page 4 For safety reasons, any operation on the equipment and particularly opening the desktop enclosure must be carried out by maintenance person qualified by CXR. The equipment must imperatively be returned to CXR in any case of anomaly, fall, loss of performance, water exposure, power supply damage, power or line cord damage, …...
  • Page 5 User's Manual V34bis Fax-modem - AJ 2885 P • V24-V28 or RS232 • V11 compatible with X21 and V35 though configuration jumpers (except FT model) • Data rates : 300 to 115,200 BPS in asynchronous mode, and 1200 to 33,600 BPS in synchronous mode.
  • Page 6 User's Manual V34bis Fax-modem - AJ 2885 P Product range The AJ 2885 modem has various options: • Dial-up • Leased line • Group III fax • Stand alone or rack • LCD front panel These different versions are summed up in the following table. The names in the first column will be used throughout the manual to indicate when these options apply.
  • Page 7 SDV can be fully set up from its user friendly front panel. • Busy-Out: Whenever modems are pooled, a faulty modem will lock-up the rest. The busy- out, standard in the CXR modems lets the PBX pass onto the next modem without upsetting the system. •...

  • Page 8: Table Of Contents

    User's Manual V34bis Fax-modem - AJ 2885 P Contents INTRODUCTION ......................10 1.1......................10 HE MODEM 1.2....................10 HE MODEM 1.3..................10 ALLING MODES DIALING 1.3.1. Calling Mode ................10 1.3.2. Answering Mode ................ 10 1.4.......................11 EASED LINE 1.5......................11 ROTOCOLS 1.6.
  • Page 9 User's Manual V34bis Fax-modem - AJ 2885 P 5.6............ 31 ONFIGURATION OF THE SYNCHRONOUS MODE 5.7................32 UTOMATIC DIALING DIRECTORY 5.8....................... 32 EASED LINE 5.9. 202 T M ........... 33 ODES ON EASED 5.10................34 AVING USER CONFIGURATIONS 5.11.

  • Page 10: Introduction

    User's Manual V34bis Fax-modem - AJ 2885 P Introduction This chapter is to familiarize the user with the operation of a modem. Note: <CR> indicates that the user must press the return key after a command sequence. 1.1. The modem A modem is a device that allows two terminals (DTE, PC...) to communicate via a telecommunication line (phone line).

  • Page 11: Leased Line

    User's Manual V34bis Fax-modem - AJ 2885 P The answer is carried out automatically if the command ATS0 = 2 was sent to the modem by the local PC. A training sequence is then initiated. A training sequence is the hand-shake sequence between modems to establish a communication link.
  • Page 12 User's Manual V34bis Fax-modem - AJ 2885 P These functions are described in chapter 4 of this manual. Some of the extra functions are: • Storage of phone numbers, • Forced V24 signals, • Exchange of a password between two modems ("Answer Back"), •...

  • Page 13: Installation

    User's Manual V34bis Fax-modem - AJ 2885 P Installation 2.1. Stand alone version Package Contents: Before installing your modem, check all these items are present: • One AJ 2885 modem • One RJ11 phone cable • Power supply or 48V cable for SPC version •...

  • Page 14: Rackmount Version

    User's Manual V34bis Fax-modem - AJ 2885 P SDM version + alarm relay option: 230V ALARM Industrial Equipment Power On: When the modem is connected, switch the power switch to the "On" position. (*) Power supply DC adapter or Power supply cable. 2.2.
  • Page 15 User's Manual V34bis Fax-modem - AJ 2885 P K3-J8 : Busy-out J9-J21 : V11 / V28 J6 : DUMB Sandwich Installation: See rack operation manual to install your modem. Find an empty location in the rack and insert the AJ 2885 card into its card guide. Connection : Connect your modem from the rear of the rack,...

  • Page 16: Switch And Jumper Settings

    User's Manual V34bis Fax-modem - AJ 2885 P Power On: Inserting the modem card connects it to the power supply of the rack. Power-on is carried out by the power switch located at the rear of the rack. Make sure the front panel screws are well fixed onto the chassis so that the modem card is well connected to the AMS back plane.

  • Page 17: Power-Up Self-Test

    User's Manual V34bis Fax-modem - AJ 2885 P 2.4. Power-up self-test When the modem is turned on, an automatic self-test is performed, which tests: • • Its stored memory Its program memory • • Its data processing unit Its data memory The test lasts a few seconds and ends with a series of: •...

  • Page 18: Operation

    You can then try the following commands : AT<RC> (<RC> or ENTER ) Modem answer : OK ATI3 <RC> Answer: AJ 2885P-FPVF Rev-5.10* * example of product identification AT&S <RC> Answer : modem sends multiple pages of configuration and status.

  • Page 19: Front Panel Operation

    User's Manual V34bis Fax-modem - AJ 2885 P Front panel operation 4.1. Operating modes This chapter describes the operation of the six LEDs front panel version of 2885 modem. 4.1.1. Operating modes The modem can operate in one of the four following modes: 1.

  • Page 20: The Push Button

    User's Manual V34bis Fax-modem - AJ 2885 P The following table list these functions: Circuit Function Indicates that the data terminal equipment connected to the (Data Terminal modem is ready for data communication. Ready) On if DTR is set or fllashing if DTR-108 is not set. Bad Eprom checksum during self test.

  • Page 21: Configuration Select

    User's Manual V34bis Fax-modem - AJ 2885 P 4.1.4. Configuration Select Holding MODE for more than 10 seconds will initiate a hardware reset. If the switch is still pressed after some beeps are heard at power-up, the modem will enter configuration mode.

  • Page 22: Configuration Through Front Panel Lcd And Keypad

    User's Manual V34bis Fax-modem - AJ 2885 P 4.2. Configuration through front panel LCD and keypad This chapter describes states of the front panel lights and operation of the LCD and keypad. 4.2.1. The four LEDs indicate the state of the modem Circuit Function DSR/Ri...

  • Page 23: Three Keys Operation

    User's Manual V34bis Fax-modem - AJ 2885 P 4.2.3. Three keys operation ↵ ENTER : This key validates the displayed choice or option, according to the following examples: Case 1 PRESS ENTER FOR Enter branches to the configuration sub-menus. CONFIG CHANGE CHANGE ? Case 2 Enter branches to the AT display parameter sub-...

  • Page 24: Example

    How to store a phone number in the phone book as would this AT command: AT&Z3:CXR:FOX:33237:::A • Number 3 in the phone book (range 0 to 99), • « CXR » is the name field, • « FOX » is the password field, • LINK and CONFIGURATION fields are both left blank, •...
  • Page 25 User's Manual V34bis Fax-modem - AJ 2885 P On display Press the key Comments ↵ no character is displayed on the ↵ validate a field on a PO3:--NAME-- cursor: ENTER key validates this blank cursor CXR_ field and initiate next field editing Just like steps 5 to 8, press : PO3:--PASSWORD--? ↵...

  • Page 26: Configurations

    User's Manual V34bis Fax-modem - AJ 2885 P Configurations This chapter describes commonly used configurations through the AT command set: These commands may be used as part of software drivers for example. The same configuration can be achieved through the LCD and keypad front panel. Refer to the LCD menu description in chapter 2.5.
  • Page 27 User's Manual V34bis Fax-modem - AJ 2885 P Modem speed can be controlled thanks to the following commands. Asynchronous and Synchronous modes : modem can provide a synchronous or asynchronous interface to the terminal Synchronous mode : DTE speed is the same as the DCE speed, i.e. the terminal speed might change upon connection from configuration speed.

  • Page 28: Rate And Connection Mode Selection

    User's Manual V34bis Fax-modem - AJ 2885 P CONFIGURATION PARAMETER (38,400 BPS) CONNECTION RESULT Autobaud Async / Sync Mode DCE sped DCE speed DTE speed @A1 : ON &M1 : Sync Do not care Do not care 33600 33600 @A2 : DTE &M1 : Sync Do not care @M15: 28800...
  • Page 29 User's Manual V34bis Fax-modem - AJ 2885 P default factory configuration. The autobaud must be changed to select a special speed. It can be limited to the DTE autobaud - AT @A2 - which means that the modem still recognises the terminal data format and speed but does not change the connection rate. Or it can be disabled - AT @A0 - which means that both the DTE data format and speed, and connection mode are selected by Commands.

  • Page 30: Asynchronous Or Synchronous Mode

    User's Manual V34bis Fax-modem - AJ 2885 P The status page 3 details all information on DTE and modem speeds, data format, parity, synchronous or asynchronous mode (answer to the AT&S3 command). 5.4. Asynchronous or synchronous mode : The AJ 2885 distinguishes the command and the connection modes : The command mode is defined by the AT @V command : asynchronous AT (@V1), asynchronous V25 Bis (@V2), V25Bis HDLC (@V3), V25 Bis BSC (@V4) or disabled (@V0).

  • Page 31: Flow Control

    User's Manual V34bis Fax-modem - AJ 2885 P 5.5.2. Flow control: Through Xon-Xoff : : AT *LG1 generates a local Xon-Xoff, AT *LR1 answers to the local Xon-Xoff These commands are the original AJ commands. For compatibility with standard general purpose modems the following command may be used : AT &K4 Through RTS-CTS : AT *LG2 generates a CTS flow control...

  • Page 32: Automatic Dialing Directory

    User's Manual V34bis Fax-modem - AJ 2885 P (2) Whenever the DTE terminal issues the clock should the modem be set for external clock (&X1). Frequency accuracy of the DTE clock must be compatible with the modulation. (3) In case the terminal may issue a permanent data flow even out of connection could the DUMB mode be set to avoid any spurious commands or escape to command mode sequences.

  • Page 33: V23 And Bell 202 T Modes On Leased Line

    User's Manual V34bis Fax-modem - AJ 2885 P After this leased line configuration is saved by the AT&W command, the modem will start training on leased line if : • it is reset by ATZ or by a power restart, •...

  • Page 34: Saving User Configurations

    User's Manual V34bis Fax-modem - AJ 2885 P • transmission is controlled by RTS : &R2 or &R3 parameter • Transmission acknowledgement is provided by CTS : %C1 parameter • Carrier detection (remote modem signal) is provided by CD : &C1 parameter Half duplex reversal delay : this delay is set by the S26 register •...
  • Page 35 User's Manual V34bis Fax-modem - AJ 2885 P Boucle 3 AT&T1 <RC>........start the test CONNECT 19200 ........ Connect message ABCDE..........characters sent by the terminal +++............escape to command mode AT&T0..........End of test command ♦ Note: the connection status ( AT&s8 ) page can be displayed during the test after an escape to command mode.

  • Page 36: Security And Memory

    User's Manual V34bis Fax-modem - AJ 2885 P Security and memory 6.1. Principles The modem contains three types of memory: The FLASH-EPROM, where factory configuration is stored permanently, The RAM, where the modem configurations are stored temporary, The NVRAM where semi-permanent data is stored even when the modem is turned off. The first time your modem is turned on, or after a complete reset, these three memories are identical and set to the default factory configuration.

  • Page 37: Answerback Security

    User's Manual V34bis Fax-modem - AJ 2885 P 6.3. Answerback security This security mode is controlled by the answering modem, and depends on a password exchange which authorizes a modem connection, i.e.: Calling Answering modem modem ATDxxx ring Training ENQ () "AC24Y"...

  • Page 38: Dial Number Request Callback

    User's Manual V34bis Fax-modem - AJ 2885 P 6.4.2. Dial number request HERE THERE N 3132 N 4142 callback. ATS0=2 ATS0=2 The remote user may provide the callback AT%SB1 AT%SA1 number after password control. AT&Z3:ICI:MOBILE::: Example: ATD4142 Dialing Training Password? «...

  • Page 39: Specifications

    User's Manual V34bis Fax-modem - AJ 2885 P Specifications 7.1. Line side characteristics Mode Switched network 2-wire leased line 4-wire leased line Receiver sensitivity - 43 dBm - 33 dBm - 26 dBm Carrier detection: Open threshold < - 48 dBm <...

  • Page 40: Answering A Call

    User's Manual V34bis Fax-modem - AJ 2885 P 7.2.2. Answering a Call When the modem is set in answer mode, it will go off hook after 2 rings (if the command ATS0=2 is sent). This is in conformity with CCITT V25bis recommendation. 7.2.3.

  • Page 41: Service Class 2 Command Set

    User's Manual V34bis Fax-modem - AJ 2885 P +FRH Receive T30 command mode +FCERROR Error code 7.4.5. Service Class 2 Command Set The following AT commands control the operation of a class 2 modem/fax: +FCLASS Service class identification and control +FMDL Fax-modem model +FMFR...

  • Page 42: Troubleshooting

    BAD NON VOLATILE MEMORY Non volatile memory checksum bad DSP bad BAD DSP Analog loopback test bad ALB FAILED If a problem persists after these verifications, contact your near distributor or the CXR "Hot Line" service: HOTLINE: +33 (0) 237.628.804. AJ 2885 P - Page 42...

  • Page 43: Appendix A - V24 Signals

    User's Manual V34bis Fax-modem - AJ 2885 P Appendix A - V24 signals 9.1. V24 – V28 interface Pin number Name CCITT number Earth protection Data transmission Data reception Request to send Clear to send Data set ready Signaling earth Carrier detect 10 (*) Dial backup indicator...

  • Page 44: V11-V35 Interface

    9.2. V11-V35 interface: The AJ 2885P (except FT model) modem provides a terminal interface configurable in V28 or V11 through the J12 to J21 jumpers. The jumpers in position 1-2 set a V28 signal. In position 2-3 they set a V11 signal.
  • Page 45 TB (Transmit) RB (Receive) SA (Clock) IB (Indication) CA (Control) CB (Control) XA (DTE Clock) A DB25M – DB15F adaptation cable may be provided as an option with the CXR reference : CA 100 766 AJ 2885 P - Page 45...
  • Page 46 125 – RI 113 A – XCK A 142 - TEST A D25M –M34 adaptation cable may be provided as an option with the following CXR reference : • V35 socket with 1.6 mm pins : CA 602 300 •...

  • Page 47: Dial Line Connector: Rj11 Connector

    User's Manual V34bis Fax-modem - AJ 2885 P 9.5. Dial line connector: RJ11 connector Signal Not used Telset Tip Tip PSTN Ring PSTN Telset Ring Not used 9.6. Leased line connector : RJ11 connector Signal 2W Signal 4W Not used Not used 1 2 3 4 5 6 1 2 3 4 5 6...

  • Page 48: Appendix B - Country Specific Information

    User's Manual V34bis Fax-modem - AJ 2885 P Appendix B - Country specific information Although this equipment can use either loop disconnect or DTMF signalling, only the performance of the DTMF signalling is subject to regulatory requirements for correct operation. It is therefore strongly recommended that the equipment is set to use DTMF signalling for access to public or private emergency services.

  • Page 49: Appendix C - General Conditions Of Guaranty

    Technical support : CXR grants to the customer a free hot line support aid at working hours for a limited time of one month after the date of delivery. New versions of products : CXR may develop improved or modified versions of the software.

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