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Содержание AccessBuilder 980/000048/001

Страница 1: ...ACCESSBUILDER 7000 TRIPLE MODEM MODULE USER GUIDE Part No 980 000048 001 Published June 1996...

Страница 2: ...e GL7 1YT United Kingdom For civilian agencies Restricted Rights Legend Use reproduction or disclosure is subject to restrictions set forth in subparagraph a through d of the Commercial Computer Softw...

Страница 3: ...ction ports on this equipment are as follows Ports identified by the label PSTN and LEASE TNV Ports identified by the labels DTE SELV TNV telecoms network voltage is a circuit which under normal opera...

Страница 4: ...nschl sse bezeichnet mit PSTN und LEASE TNV Anschl sse bezeichnet mit DTE SELV TNV Telecoms Network Voltage Spannung des Telekommunikationsnetzwerks ist ein Anschluss der unter normalen Umst nden Tele...

Страница 5: ...s Les ports marqu s par les etiquettes PSTN et LEASE TNV Les ports marqu s par les etiquettes DTE SELV TNV Telecoms Network Voltage tension r seau de t l communications est un circuit qui dans des con...

Страница 6: ......

Страница 7: ...Introduction 1 1 Principal Features 1 2 Implementation of V 32terbo 1 3 Typical Applications 1 5 Pack Contents Checklist 1 6 Registering Ownership of your Triple Modem Module 1 6 Pre installation Req...

Страница 8: ...ackup Operation 3 6 A MODEM SPECIFICATION AND INTERFACE PIN ASSIGNMENTS Transmitter Receiver Specifications A 1 Autodial Autoanswer A 2 Physical Description A 3 Approvals Information A 4 General Appro...

Страница 9: ...1 3Com Bulletin Board Service D 1 Access by Modem D 1 Access by ISDN D 2 World Wide Web Site D 2 Support from Your Network Supplier D 3 Support from 3Com D 4 Returning Products for Repair D 5 INDEX LI...

Страница 10: ......

Страница 11: ...installed and operational How to Use This Guide This table shows where to find specific information If you are looking for information on Turn to The Triple Modem Module s features and typical uses Ch...

Страница 12: ...hen press the Return or Enter key Do not press the Return or Enter key when an instruction simply says type Text represented as screen display This typeface is used to represent displays on your scree...

Страница 13: ...wet locations unless the socket is specifically designed for wet locations Do not touch uninstalled telephone wires or terminals unless the telephone line has been disconnected at the network interfa...

Страница 14: ...4 ABOUT THIS GUIDE...

Страница 15: ...a compression and CCITT V 42 MNP error correction IN addition to the fast line speeds each modem can transfer data to the attached computer at speeds which can vary from 300 bps to 115200 bps The mode...

Страница 16: ...peration V 22 and Bell 212A 1200 bps full duplex 2 wire modem V 21 and Bell 103J 300 bps modems Support for leased line transmission protocols V 34 2 wire or 4 wire full duplex modems operating at dat...

Страница 17: ...current status of any of the three modems Easy to install configure and support Implementation of V 32terbo Support of the V 32terbo transmission protocol is included as a feature in the modems V 32te...

Страница 18: ...data transfer rate is negotiated between the two using the default configuration settings When using the higher line speeds made available by V 32terbo the throughput rate can be increased further by...

Страница 19: ...Figure 1 1 a large number of remote users connect to the central site s AccessBuilder 7000 and gain access to the corporate LAN and its facilities through a terminal server such as the 3Com CS3000 310...

Страница 20: ...Module back card 1 x AccessBuilder 7000 Triple Modem Module User Guide This manual 1 x AccessBuilder AT Command Reference guide 1 x warranty registration card It is important that you save the box an...

Страница 21: ...y module s and the Management Controller Module if required The rack unit into which you install the AccessBuilder 7000 must allow for the door to be fully opened to remove existing modules or to inst...

Страница 22: ...1 8 CHAPTER 1 TRIPLE MODEM MODULE...

Страница 23: ...how to connect to your DTEs and PSTN lines and how to read the LEDs on the module s front panel Ensure you read the safety information at the front of this guide before commencing installation of the...

Страница 24: ...AccessBuilder 7000 system are designed to be hot swapable It is not necessary to turn off the AccessBuilder 7000 s power supply unit to install the Triple Modem Module The Triple Modem Module can be i...

Страница 25: ...ssis and retain the screws Retain the blanking plate If you remove the module the blanking plate must be refitted to the chassis to aid the circulation of cooling air and to prevent dust and debris en...

Страница 26: ...n which you have already installed the rear card 2 Insert the front card into the slot ensuring that it is centered along the guide rails 3 Use the module s handles to push the card home into the chas...

Страница 27: ...s lifted any noise in the surrounding area interferes with the data and can cause corruption in the transferred data Private Line 2 4 6 The lower RJ45 connection in each pair connects to a private lin...

Страница 28: ...ured to act in different ways on receipt of this signal according to the AT D and AT M commands See AccessBuilder 7000 AT Command Reference for more information LINE On Line Indicates that the selecte...

Страница 29: ...unning a test This may have been initiated either by an attached DTE via the Management Controller Module or by a remote DTE to which the modem has a communications link SEND Flashes on and off to ind...

Страница 30: ...2 8 CHAPTER 2 INSTALLATION AND OPERATION...

Страница 31: ...isolate the fault in your system by using a process of elimination If a problem continues to occur contact your supplier for assistance Modem Health POWER LED does not light Make sure that the front...

Страница 32: ...DCD using the AT C0 command Check that the character echo command is enabled using the ATE command Check that the DTE dialler type configuration option is set to AT Refer to the AT M or AT Q command d...

Страница 33: ...es not provide DTR to the modem check that the modem s DTR signalling configuration option is set to ignore the state of DTR Check that all cables are attached to the right connectors at the rear of t...

Страница 34: ...If using V 25bis bisynchronous dialling check that the correct character format uses two synchronous control characters and a start of text control character before the text block and an end of text...

Страница 35: ...e line connection Disconnect and dial again The remote modem may have encountered an error correction disconnect where the modem is configured to establish a call using error correction If the modem c...

Страница 36: ...n Check that one modem is configured for answer mode and the other is configured for originate mode Check that both modems are using the same modulation scheme Dial Backup Operation Modems do not esta...

Страница 37: ...16800 14400 12000 9600 7200 4800 bps CCITT V 32bis 14400 12000 9600 7200 4800 bps CCITT V 32 9600 4800 bps CCITT V 22bis 2400 bps CCITT V 22 1200 bps CCITT V 21 300 bps Bell 212A 1200 bps Bell 103J 30...

Страница 38: ...RTS CTS delay dependent on modulation format Equalizer Automatic adaptive equalizer Error correction V 42 LAPM and MNP4 Data compression V 42bis and MNP5 Autodial Autoanswer Method Pulse dial 10 pps r...

Страница 39: ...usy Busy out via AT command or DTR Disconnect Call cleared selectable on loss of DTR and or no carrier for n seconds and or no data for n seconds and or a disconnect request is received from the remot...

Страница 40: ...of this module should pay particular attention to this information This unit is approved for connection to the telecommunications systems specified in the instructions for use subject to the condition...

Страница 41: ...CEPT L1 signalling at a nominal frequency of 2280 Hz It does not require signalling or otherwise employ the frequency range 0 Hz to 200 Hz and there is no requirement for DC from the telephone line f...

Страница 42: ...eration in the absence of proceed indication Automatic dialling facilities Tone detection for example ring tone busy tone Automatic answering of incoming calls Automatic clearing from call originating...

Страница 43: ...for example telephones that can be simultaneously connected to one telephone line The REN value of each apparatus is added together and must not exceed 4 Unless otherwise marked a telephone can be as...

Страница 44: ...a female 26 pin V 24 connector and can be used with X 21 V 11 v 24 V 28 or V 35 V 36 signalling The cable pin outs for each type of cable are shown below X 21 V 11 The DTE port terminates with a 26 w...

Страница 45: ...y miniature SCSI connector The port can be configured to support V 24 or V 28 signalling characteristics The DTE port connecting cable is not supplied with the module The following signalling characte...

Страница 46: ...terminates with a 26 way miniature SCSI connector The port can be configured to support V 36 signalling characteristics The DTE port connecting cable is not supplied with the module The following sign...

Страница 47: ...essed via the appropriate DIAL LINE socket on the card s interface module refer to the rear panel diagram in Section 1 2 for an exact reference of which socket services which modem on the communicatio...

Страница 48: ...a 2 or 4 wire connection which is accessed via the appropriate PRIVATE LINE socket on the card s interface module refer to the rear panel diagram in Section 1 2 for an exact reference of which socket...

Страница 49: ...eek 24 hours a day through the following on line systems 3Com Bulletin Board Service 3ComBBS World Wide Web site 3Com Bulletin Board Service 3ComBBS contains patches software and drivers for all 3Com...

Страница 50: ...ws and information about 3Com products customer service and support 3Com s latest news releases selected articles from 3TECH 3Com s award winning technical journal and more Country Data Rate Telephone...

Страница 51: ...including network planning installation hardware maintenance application training and support services When you contact your network supplier for assistance have the following information ready Diagn...

Страница 52: ...l free Country Telephone Number Country Telephone Number Australia Sydney 61 2 959 3020 Japan 81 3 33457251 Melbourne 61 3 653 9515 Mexico 525 531 0591 Belgium 0800 71429 Netherlands 06 0227788 Brazil...

Страница 53: ...on RMA number A product sent to 3Com without an RMA number will be returned to the sender unopened at the sender s expense To obtain an RMA number call or fax 11 29 95 Country Telephone Number Fax Num...

Страница 54: ...B 6 APPENDIX B TECHNICAL SUPPORT...

Страница 55: ...2 5 CORR LED 2 6 D DTE ports 2 5 F features 1 2 front card installation 2 4 I installation 2 2 front card 2 4 prerequisites 1 7 rear card 2 3 L LED selection button 2 7 LEDs front panel 2 6 LINE LED 2...

Страница 56: ...ND LED 2 7 T technical information A 1 technical support D 1 TERM LED 2 6 TEST LED 2 7 Triple Modem features 1 2 overview 1 1 typical applications 1 5 troubleshooting 3 1 typical applications 1 5 V V...

Страница 57: ...or free or that all defects in the software products will be corrected For any third party products listed in the 3Com software product documentation or specifications as being compatible 3Com will ma...

Страница 58: ...CTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIM...

Страница 59: ...t this product may cause radio interference in which case the user may be required to take adequate measures Information To The User If this equipment does cause interference to radio or television re...

Страница 60: ......

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