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Paradyne COMSPHERE 3800 Series, User Manual

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COMSPHERE 3800 Series Modems

ii

September 1998

3810-A2-GB30-30

4. DCP Operation

Overview

4-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Diagnostic Control Panels

4-1

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Status Indicators

4-4

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Diagnostic Control Panel Operation

4-6

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Menu Structure

4-7

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Selecting Factory Configuration Options

4-13

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Diagnostic Control Panel Security Access

4-15

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5. Call Setup Branch

Overview

5-1

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Call Setup Branch

5-2

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6. Talk/Data Branch

Overview

6-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Talk/Data Branch

6-1

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7. Status Branch

Overview

7-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Status Branch

7-2

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8. Test Branch

Overview

8-1

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Test Branch

8-2

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9. Configure Branch

Overview

9-1

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Configure Branch

9-4

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Configuration Tables

9-7

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Security Configuration Options

9-45

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10. Control Branch

Overview

10-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Control Branch

10-1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Automatic Firmware Download

10-6

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11. Remote Branch

Overview

11-1

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Remote Branch

11-2

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Summary of Contents for COMSPHERE 3800 Series

Page 1: ...COMSPHERE 3800 SERIES MODEMS MODELS 3810 3811 AND 3820 USER S GUIDE Document No 3810 A2 GB30 30 ...

Page 2: ...COMSPHERE 3800 SERIES MODEMS MODELS 3810 3811 AND 3820 USER S GUIDE Document No 3810 A2 GB30 30 September 1998 ...

Page 3: ...uggestions about this document Please mail them to Technical Publications Paradyne Corporation 8545 126th Ave N Largo FL 33773 or send e mail to userdoc eng paradyne com Include the number and title of this document in your correspondence Please include your name and phone number if you are willing to provide additional clarification Trademarks All products and services mentioned herein are the tr...

Page 4: ...ified service personnel 6 General purpose cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer 7 When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If nec...

Page 5: ...PMENT IS CONDITIONED BY THE REQUIREMENTS THAT NO MODIFICATIONS WILL BE MADE TO THE EQUIPMENT UNLESS THE CHANGES OR MODIFICATIONS ARE EXPRESSLY APPROVED BY PARADYNE WARNING WARNING TO USERS OF DIGITAL APPARATUS IN CANADA THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCE CAUSING EQUIPMENT REGULATIONS CET APPAREIL NUMÉRIQUE DE LA CLASSE A RESPECTE TOUTES LES EXIGENCES...

Page 6: ...elephone company to determine the maximum RENs for the calling area 4 If the 3800 Series modem causes harm to the telephone network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice is not practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complai...

Page 7: ... 10 An FCC compliant telephone cord with modular plugs may be provided with this equipment This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant Canada Notice to Users of the Canadian Public Switched Telephone Network The Canadian Department of Communications label identifies certified equipment This certif...

Page 8: ...may be particularly important in rural areas CAUTION Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate The Load Number for this equipment is listed on the label on the modem The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a teleph...

Page 9: ...COMSPHERE 3800 Series Modems G September 1998 3810 A2 GB30 30 ...

Page 10: ...0 Modem Installation 2 3 DTE Connection 2 4 Model 3810 Dial Line Connection 2 5 Model 3810 4 Wire 2 Wire Leased Line Connection 2 5 Model 3820 Dial Line Connection 2 6 Model 3820 2 Wire Leased Line Connection 2 6 Model 3810 and Model 3820 Telephone Connection 2 7 Dial Network Management System Connection 2 7 AC Power Transformer Connection 2 7 Modem Power Up 2 7 Removing and Replacing Model 3810 a...

Page 11: ...el Security Access 4 15 5 Call Setup Branch Overview 5 1 Call Setup Branch 5 2 6 Talk Data Branch Overview 6 1 Talk Data Branch 6 1 7 Status Branch Overview 7 1 Status Branch 7 2 8 Test Branch Overview 8 1 Test Branch 8 2 9 Configure Branch Overview 9 1 Configure Branch 9 4 Configuration Tables 9 7 Security Configuration Options 9 45 10 Control Branch Overview 10 1 Control Branch 10 1 Automatic Fi...

Page 12: ... 1 Fax Operation 13 1 14 AT Command Set and S Registers Overview 14 1 Operating Modes 14 1 Command Guidelines 14 2 AT Command List 14 2 S Register List 14 15 Appendices A Menu Tree A 1 B Result Codes B 1 C Troubleshooting C 1 D Technical Specifications D 1 E Pin Assignments E 1 F ITU T V 25bis Dialing Commands and Response F 1 G Default Configuration Options G 1 H Equipment List H 1 Glossary Index...

Page 13: ...CP Model 3811 Faceplate and Optional SDU 4 3 4 4 3800 Series LCD and Keypad 4 6 5 1 Dial Backup 5 4 8 1 Local Analog Loopback 8 3 8 2 Remote Digital Loopback 8 4 8 3 Local Digital Loopback 8 5 8 4 Pattern Test and Local Analog Loopback Test 8 6 8 5 Pattern Test and Remote Digital Loopback Test 8 6 8 6 End to End Pattern Test 8 7 9 1 DCP Configuration Process 9 2 9 2 AT Command Configuration Proces...

Page 14: ...nswer Security Group Options 12 8 12 3 Set Originate Security Group Options 12 9 12 4 Security Database Table Using VF Side Passwords 12 12 12 5 Security Database Table Using DTE Side Passwords 12 13 12 6 Security Database Table Using Both VF Side and DTE Side Passwords 12 13 12 7 Security Database Table Using Paired VF Side and DTE Side Passwords 12 14 14 1 3800 Series AT Commands 14 3 14 2 3800 ...

Page 15: ...COMSPHERE 3800 Series Modems vi September 1998 3810 A2 GB30 30 ...

Page 16: ...command sets Chapter 5 Call Setup Chapter 6 Talk Data Chapter 7 Status Chapter 8 Test Chapter 9 Configure Chapter 10 Control Chapter 11 Remote Chapter 12 Security Chapter 13 provides an overview of fax modem operation Chapter 14 provides instructions for displaying and changing AT commands and S registers Appendix A provides a menu tree for 3800 Series modems Appendix B provides a list of the resu...

Page 17: ... COMSPHERE 6700 Series Network Management System User s Guide 3610 A2 GZ45 3600 Hubbing Device Feature Number 3600 F3 300 Installation Instructions Contact your sales or service representative to order additional product documentation Paradyne documents are also available on the World Wide Web at http www paradyne com Select Service Support Technical Manuals ...

Page 18: ...the modem can send data to the DTE at speeds as high as 115 200 bps The 3800 Series modem is extremely versatile when used in modem pooling environments it allows multiple users to temporarily customize settings in the 3800 Series modem thereby permitting communication with the calling modem Upon disconnection the 3800 Series modem falls back to its original configuration settings and resumes norm...

Page 19: ...th the industry de facto standard AT Command set Dialing via DCP AT commands ITU T V 25bis commands or RS 366 A Model 3811 only Configuration of software options via the AT Command set or DCP High speed transmission using asynchronous synchronous or UNIX devices over full or half duplex dial networks or 2 wire 4 wire leased lines Complement of self tests local and remote loopbacks including ITU T ...

Page 20: ...ree function keys and four directional keys which allow you to maneuver and choose DCP selections and a row of 12 LED status indicators which display modem activity For a better understanding of DCP operation refer to Chapter 4 DCP Operation The rear of the modem contains an ON Off power switch a low voltage ac power connector an 8 pin modular connector for phone or leased line connection an 8 pin...

Page 21: ...e modem s package check for damage and verify that the following items are present Manual and Quick Reference Model 3810 or Model 3820 modem Power transformer One 6 position 4 wire modular cord Model 3810 and Model 3820 One 8 position 8 wire modular cord Model 3810 only One ferrite choke and cable tie Fax software and documentation if fax option installed If any hardware components are damaged not...

Page 22: ...rk management controller For proper network management connection to the SDU refer to the COMSPHERE 6700 Series Network Management System User s Guide For installation of the 3000 Series Carrier into a cabinet refer to the COMSPHERE 3000 Series Carrier Installation Manual Model 3810 or Model 3820 Modem Installation Before installing your standalone modem make sure your installation site is clean a...

Page 23: ...el 3810 to the leased line network interface 1 Insert the 8 position 8 conductor modular plug into the jack labeled PHONE LEASED 3810 See Figure 2 2 2 Insert the other end of the modular cord into the leased line network interface 3 If the Model 3810 has a dial backup line follow the steps listed in Model 3810 Dial Line Connection section PHONE DIAL NMS DTE PWR 0 1 LEASED 3820 LEASED 3810 98 13070...

Page 24: ... to the 6 pin center pair leased line network interface For 2 wire leased line connection to a JM8 network interface refer to Figure E 1 in Appendix E 1 Insert the 6 position 4 conductor modular plug into the jack labeled DIAL LEASED 3820 See Figure 2 3 2 Insert the other end of the modular cord into the leased line network interface PHONE DIAL NMS DTE PWR 0 1 LEASED 3820 LEASED 3810 98 13071 02 6...

Page 25: ...cable to the DTE Use a small screwdriver to fasten the cable to the DTE To ensure compliance with FCC Part 15 Regulations a ferrite choke must be installed on the EIA 232 D interface cable 1 Open the ferrite choke and place it around the DTE cable as close as possible to the connector attached to the modem 2 Close the two halves around the cable and snap the ferrite choke shut pressing down on the...

Page 26: ...rocedures to connect the modem to an ac power outlet 1 Make sure the modem s power switch is in the Off position 2 Insert the power transformer s 5 pin DIN male connector into the modem s rear panel ac power receptacle 3 Insert the power transformer into a grounded ac power outlet Modem Power Up Once your modem is properly connected to the DTE dial and or leased lines and ac outlet press the modem...

Page 27: ...m the ac power outlet and then from the connector on the rear of the modem 3 Disconnect the dial and leased line modular cords from the modem s rear panel 4 Disconnect the DTE interface cable from the modem s rear panel If the modem is to be removed for service return it using the procedures on page A in the front of this document for contact information 5 Install the replacement modem as describe...

Page 28: ...r s backplane which is a common bus to all devices installed in the carrier The user interface to any Model 3811 is through the shared diagnostic control panel SDCP an optional feature similar to the DCPs on the Model 3810 and Model 3820 For a better understanding of DCP operation refer to Chapter 4 DCP Operation The COMSPHERE 3000 Series Carrier has a total of 17 slots The first slot Slot 0 is re...

Page 29: ...h supplies operating power and the dial and or leased line network connections For correct power DTE dial line leased line NIM and network management cabling information refer to the COMSPHERE 3000 Series Carrier Installation Manual The COMSPHERE 3000 Series Carrier has 17 slots which can hold up to 16 modems and one Shared Diagnostic Unit SDU The SDU is required when the modems in the carrier are...

Page 30: ...t the front of the carrier hold the modem vertically with the latch on its faceplate in the open position and insert it into the top and bottom card guides of one of the slots numbered 1 16 see Figure 3 2 Slide the modem into the slot aligning the modem with the rear connector plate until the backplane connector and DTE connector seat firmly into the back of the carrier The faceplate latch automat...

Page 31: ...e selected modem In addition the Front Panel LED on the modem s faceplate and the OK LED on the SDCP light 6 Once you have determined that the modem is installed properly and completed its power up self test rotate the circuit pack lock until it covers the faceplate latch Figure 3 3 This prevents the modem from accidently being removed once it is installed in a carrier 7 Configure the modem as des...

Page 32: ...l Panels There are two types of DCPs the front panel on the standalone Model 3810 and Model 3820 modems and the shared diagnostic control panel SDCP an optional feature used with a Model 3811 installed in a COMSPHERE 3000 Series Carrier Both DCPs have a two line 32 character liquid crystal display LCD and keypad through which Top Level menu branches are accessed to perform the following Initiate a...

Page 33: ... GB30 30 PWR ALRM CTS TXD LSD RXD TEST RATE 105 106 103 109 108 142 COMSPHERE 3810 496 13067 02 F1 F2 F3 SQ RTS DTR 104 DIAG Figure 4 1 Model 3810 DCP CTS TXD LSD RXD 105 106 103 109 COMSPHERE 3820 496 13068 02 F1 F2 F3 RTS 104 SQ Figure 4 2 Model 3820 DCP ...

Page 34: ...ont Panel indicator of the selected modem lights to show that the modem is connected Figure 4 3 shows the SDCP and the Shared Diagnostic Unit SDU it interfaces with Select SDU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 COMSPHERE 3000 SELECT KEY STATUS INDICATORS CARRIER SLOTS 1 16 F1 F2 F3 OK Alarm BckUp Test EC NETWORK DEVICE ALARM DIAL BACKUP TEST MODE ERROR CORRECTION OK Alarm BckUp Test EC KEYPAD ...

Page 35: ...ned ON DTR or the modem has forced DTR ON Test 142 yellow The modem is involved in a test Normal operation is not possible Dial 3811 only green Flashing The modem is attempting to establish a call over the dial network ON The modem has established a dial connection OFF A dial connection does not exist RI 125 3811 only green A ringing signal is being received Busy 3811 only yellow ON The modem is p...

Page 36: ...carrier signal and is capable of transferring data to the DTE RXD 104 green Data is being transferred to the DTE ON equals space SQ yellow The receive telephone line signal is degraded Table 4 3 SDCP LEDs Label Color Indicates OK green Power is ON and the modem is capable of operating Alrm red The modem has detected a problem with its operation For example the modem failed a self test BckUp yellow...

Page 37: ...splayed on the LCD These indicators appear as one of the following symbols Right Scroll Indicator The right scroll indicator displays when more choices are available to the right of what is currently displayed on the LCD Left Right Scroll Indicator The left right scroll indicator displays when more choices are available to the left and right of what is currently displayed on the LCD Left Scroll In...

Page 38: ...menu tree contains the following branches Call Setup Used to dial disconnect and answer telephone calls as well as store up to 10 telephone numbers in directory locations See Chapter 5 Talk Data Used to switch the modem between Talk mode the modem is disconnected from the VF line and Data mode the modem is connected to the VF line when dialing via either the DCP or the attached telephone See Chapt...

Page 39: ... Alarm Status Message Indicates Make Busy Indicates the modem is in a Make Busy condition Power On Fail Indicates the modem has failed its Power On Self Test Self Health Fail Indicates a failure in the modem s hardware components Weak Battery Indicates the battery is operating below 2 volts Contact your sales or service representative Normal Call Setup Messages Indicates Off Hook The modem is off ...

Page 40: ...eiving a fast trunk busy Call Disconnect Messages Indicates ATH Disconnect The modem has disconnected due to an ATH command Bad Lines Disc The modem has disconnected because the lines do not support the modulation and or data rate selected No Carrier Disc The modem disconnects due to the loss of carrier signal from the remote modem DTR Disconnect The modem has disconnected due to the loss of DTR f...

Page 41: ...r download attempt is possible Frmware Upgrade Indicates that a local download of firmware or a remote cloning of firmware was successful RemClone Failed Displays on the local modem s LCD and indicates that a remote cloning of firmware has failed Remote Clone OK Displays on the local modem s LCD and indicates that a remote cloning of firmware was successful AT Command Reset Message Indicates Reset...

Page 42: ...n Operational Messages Indicates Please Wait Appears when a command to a local device takes more than two seconds to complete Command Sent Appears when a command is sent to a remote modem No Rem Response or Remote Modem Fail Appears when a remote modem does not respond to a command within 5 seconds Command Complete Appears when a command issued to a local or remote modem is completed Invalid Comma...

Page 43: ...connected because the DTE passwords received from the remote DTE were invalid No Orig PsWd The modem did not attempt to establish a call as requested because the AT dial command did not contain an originate access password Unknown VF PsWd The modem did not finish answering a call disconnected because the modem received an invalid VF password DTEpswd Timeout The modem did not finish answering a cal...

Page 44: ...et configurations Factory preset configurations are Async Dial Sync Dial Sync Leased UNIX Dial Cellular Mobile and Cellular PSTN If Sync Leased is selected you must choose either Answer or Originate mode 4 Press the key until the appropriate factory preset appears on the LCD and press the corresponding function key to select your choice 5 Choose Function appears and displays the Edit and Save func...

Page 45: ...actory configurations 0 for Async Dial 1 for Sync Dial 2 for Sync Leased Answer 3 for UNIX Dial 4 for Sync Leased Originate 5 for Cellular Mobile 6 for Cellular PSTN NOTE F1 F2 and F4 remove AT command control The only way to return to AT command control is through the DCP as described earlier in Using the Diagnostic Control Panel DCP and Where n is one of the following storage areas 0 for Active ...

Page 46: ...ailable for this function Grant and Deny Grant allows any branch of the Top Level menu to be accessed from the DCP Deny allows access only to the Status branch of the Top Level menu All 3800 Series modems are shipped from the factory with DCP access granted To access the Front Panel DCP Security Access function perform the following Press the key three times Press the key twice Press the key once ...

Page 47: ...COMSPHERE 3800 Series Modems 4 16 September 1998 3810 A2 GB30 30 ...

Page 48: ... to create and store up to 10 telephone numbers to directory locations Six different functions can appear under Call Setup Dial Disconnect Answer Dial Standby or Return to Dial when applicable and Change Directory NOTE The Dial Standby and Return to Dial functions only appear when the modem is in Dial Backup mode If the Model 3820 is operating on leased lines Change Directory is the only function ...

Page 49: ...irectory locations To access Dial from the Call Setup branch make the following selection F1 Call Setup Dial Disconnect F2 F3 Select Dial to display the first directory telephone number F1 Dial Directory Nxt 01 5551234 F2 F3 To view other directory locations select Nxt F1 Dial Directory 01 Dialing F2 F3 Once the directory location you want appears on the LCD press the F2 or F3 key to dial the numb...

Page 50: ...ress the key AT Command Equivalent The AT command equivalent for Disconnect is H or H0 Answer Answer allows the modem to go off hook generate an answer tone and begin the handshaking process with the calling modem Use the Answer function when the Auto Answer Ring Count configuration option is disabled See the Line Dialer section in Chapter 9 NOTE When the Model 3820 is configured for leased line o...

Page 51: ...is occurs the Dial Standby function now appears on the LCD By selecting this function the modem switches back to the leased line while still maintaining the dial connection As a result the Return to Dial function now appears on the LCD instead of Dial Standby F1 Call Setup Return_to_Dial F2 F3 If the leased line is found to be unacceptable select Return_to_Dial which switches the modem back to dia...

Page 52: ...1 contain the telephone number used for dial backup To access Change Directory from the Call Setup branch make the following selections F1 Call Setup Change_Directory F2 F3 Press the key until Change_Directory is displayed Press any function key to select Change_Directory F1 01 5551234 Nxt F2 F3 The phone number listed in directory location 1 is displayed Select Nxt to display other directory loca...

Page 53: ...e setting of the Pause Time configuration option see Line Dialer configuration option group or by value held in S register S8 W or Wait for dial tone Modem waits for a second dial tone before processing the dial string This can be the initial dial tone or can be used when dialing through a tandem PBX For example 9W 555 6789 R Reverse Dial mode Causes the originating modem to send out an answertone...

Page 54: ...h the modem between Talk mode and Data mode when manually dialing using either the DCP or attached telephone On initial power up the modem is in Talk mode When in Talk mode the modem is disconnected and you are free to use the telephone When in Data mode the modem is connected and data can be transmitted or received This function is only available for Model 3810 and Model 3820 modems Talk Data Bra...

Page 55: ...must both select Tlk Data at approximately the same time to begin the handshaking sequence If the handshake is successful the modems are in Data mode and OnLine appears on the LCD NOTE If the remote modem is not a 3800 Series modem then the remote user must consult that modem s operator s manual to perform a similar operation Once the modems are online status messages listed in Table 4 4 in Chapte...

Page 56: ...onnection the DTE interface and the identity for example serial number and model number of your equipment There are up to six selections under Status VF Identity DTE RS366A Options and Record Status VF Identity SigQual RcvLev Sig Noise NearEcho FarEcho FarEchDel EchoFreqOff Ser Mod FRev HPt FPt DTE LSD DTR DSR Tst TXD RXD RTS CTS CRQ DLO DPR PND DSC ACR Tlk Data Test Configure Control Remote Statu...

Page 57: ...ndicates in decibels referenced to one milliwatt dBm the actual strength of the incoming signal Sig Noise Signal to Noise Ratio indicates in decibels the receive signal strength relative to noise on the line NearEcho Near End Echo displays the signal level in decibels referenced to one milliwatt dBm of that portion of the transmit signal which has been echoed back by the local line termination Thi...

Page 58: ... is an 11 digit number that identifies the circuit card in the modem FPt Firmware part number is an 11 digit number that identifies to service personnel the firmware release number To exit this function and remain in the Status branch press the key To exit and return to the Top Level menu press the key AT Command Equivalent The AT command I0 displays the product code normally 144 The AT command I1...

Page 59: ...AT Command Equivalent There is no AT command for DTE status RS366A RS366A displays the state and or activity of the RS366A interface leads CRQ DLO DPR PND DSC and ACR Typically RS366A call originate is used in synchronous dial out applications where V 25bis dialing is not supported This function applies to Model 3811 modems only The interface leads status is updated every 5 seconds To access RS366...

Page 60: ... Display and Clear Display allows up to eight sequence fault messages that have been recorded by the modem to be displayed on the LCD If no sequence faults have occurred then Modem O K appears Clear is used to remove all sequence fault messages from nonvolatile memory and the LCD To access Record from the Status branch make the following selections F1 Status Options Record F2 F3 Press the key unti...

Page 61: ...COMSPHERE 3800 Series Modems 7 6 September 1998 3810 A2 GB30 30 ...

Page 62: ...st Abort Self Self Test Loc Analog Loop Local Analog Loopback Rem Digital Loop Remote Digital Loopback Loc Digital Loop Local Digital Loopback and Pattern The only tests that can operate concurrently are Pattern with a Local Analog Loopback and Pattern with a Remote Digital Loopback If any test is operating besides the two combinations just mentioned it must be canceled before starting another tes...

Page 63: ... takes less than a minute to complete The modem must be offline not connected with another modem otherwise Invalid Command appears This test is not valid in Remote mode and does not appear on the LCD of either modem when in Remote mode To access Self from the Test branch make the following selection F1 Test Abort Self F2 F3 Select Self All LCD cells and DCP status indicators light If the modem pas...

Page 64: ...this test F1 Test Local Loop Started F2 F3 The message Started appears on the LCD and the Test LED Model 3810 and Model 3811 lights for the duration of the test If the Test Timeout configuration option is enabled Test Timeout appears at the conclusion of the test If it is disabled the test operates until aborted For more information on the Test Timeout configuration option refer to the Tests secti...

Page 65: ... Test Rem_Digital_Loop F2 F3 Press the key until Rem_Digital_Loop appears Press any function key to start this test F1 Test Remote Loop Started F2 F3 The message Started appears on the LCD and the Test LED Model 3810 and Model 3811 lights for the duration of the test If the Test Timeout configuration option is enabled Test Timeout appears at the conclusion of the test If it is disabled the test op...

Page 66: ...gital_Loop appears Press any function key to start this test F1 Test Digitl Loop Started F2 F3 The message Started appears on the LCD and the Test LED Model 3810 and Model 3811 lights If the message Invalid Command appears on the LCD then another test is in progress Select Abort to clear the current test and then select Loc Digital Loop If the Test Timeout configuration option is enabled Test Time...

Page 67: ...r a remote digital loopback to simulate data passing through the modem For this test to operate properly the modems must be online and in Synchronous or Asynchronous Direct mode Otherwise the message Invalid Bffr Mde appears when this test is started See Figures 8 4 through 8 6 Figure 8 4 Pattern Test and Local Analog Loopback Test Figure 8 5 Pattern Test and Remote Digital Loopback Test ...

Page 68: ...ge OvrFlw can appear as the value for BlksErrd if the counter overflows Press the key to display BlksRcvd xxxxxxx number of blocks of data received The Pattern test can be exited and reentered without restarting the test The BlksErrd and BlksRcvd continue counting If the Test Timeout configuration option is enabled Test Timeout appears at the conclusion of the test If it is disabled the test opera...

Page 69: ...COMSPHERE 3800 Series Modems 8 8 September 1998 3810 A2 GB30 30 ...

Page 70: ...loaded into Active Operating Any changes made using AT commands directly affect this configuration area Active Saved is a read from and write to configuration option area containing the most recently saved changes made to any configuration options In the event of power loss or reset the modem retrieves these settings from nonvolatile memory Customer 1 and Customer 2 are two additional read and wri...

Page 71: ...LY COPIED TO Active Operating WHEN A SAVE IS COMMANDED VIA THE DCP ON A RESET OR ON POWER UP Async Dial Sync Dial Sync Leased Answer Originate UNIX Dial Cellular Mobile Cellular PSTN Load Edit Area From 494 13079 02 EDIT AREA ALLOWS YOU TO VIEW AND EDIT CONFIGURATION OPTIONS ANY CHANGES MADE TO CONFIGURATION OPTIONS ARE SAVED TO Active Saved Customer 1 OR Customer 2 Save To Active Operating Active...

Page 72: ... OR Customer 2 494 13080 02 Customer 1 ATZ1 Customer 2 ATZ2 Factory Active Saved AT W0 Customer 1 AT W1 Customer 2 AT W2 ON POWER UP Active Saved IS LOADED TO Active Operating THE AT W COMMAND IS DISABLED IF THE Straps When Disconnect CONFIGURATION OPTION IS SET TO RELOAD NOTE NOTE Async Dial AT F0 Sync Dial AT F1 Sync Leased Answer AT F2 UNIX Dial AT F3 Sync Leased Originate AT F4 Cellular Mobile...

Page 73: ...ing down and across various levels of the Configure branch Configure Activ Operating Active Saved Customer1 Customer2 Factory Async_Dial Sync_Dial Sync_Leased UNIX_Dial Choose Mode Answer Originate Ld EditArea frm Edit Save Choose Function Active Saved Customer1 Customer2 DTE_Interface DTE_Dialer Line_Dialer Dial_Line Leased_Line V42 MNP Buffer Tests Misc Security Tlk Data Status Test Control Remo...

Page 74: ...ies modem via the Remote branch of the Top Level menu the Remote Access Password must be the same for both modems By following these procedures you learn how to load a factory preset configuration area in this case Async Dial how to edit a configuration option Remote Access Password and how to save changes to a configuration area Active Saved The shaded key indicates what key to press F1 Idle 19 2...

Page 75: ...g in mind Nxt has two functions First it indicates that more configuration options are available within that group These are accessed by selecting Nxt pressing F1 and scrolling down to the next configuration option Second it indicates that what is displayed on the LCD is the current setting If you scroll left or right Nxt disappears and reappears if a new value is selected End appears when you hav...

Page 76: ...inder of this chapter discusses each configuration options group in detail listing factory defaults definitions and AT command equivalents DTE Interface The DTE Interface configuration options contain EIA 232 D ITU T V 24 and asynchronous character format information essential for maintaining a connection and for transmitting data between the DTE and the modem Table 9 1 shows each DTE Interface co...

Page 77: ...required and the RS 232 cable must be 6 feet or less to minimize capacitance NOTE This configuration option is ignored in Async Direct mode and synchronous mode since the DTE rate always equals the VF rate The factory default is 19200 bps AT prefix determines Async DTE Rate Data Bits 8 Nxt 8 7 9 DirectMde 6 DirectMde Number of Data Bits Determines if the data length is composed of 6 7 8 or 9 data ...

Page 78: ...er size must equal 10 bits see DTE Dialer configuration options group Total character size consists of a start bit number of data bits parity bits and stop bits V 25bis Async must use 7 data bits with even parity and 1 stop bit The total character size for Error Control mode or Buffer mode must be 10 bits or less The total character size for Direct mode must be 11 bits or less AT prefix determines...

Page 79: ...used then this configuration option must be set for Stndrd_RS232 The DTE must provide DTR to dial or answer a call When operating over the dial network this selection forces DTR Action to behave as CT108 2 Data Terminal Ready If DTE Dialer Type configuration option is set to DTR Direct 1 then DTR Action behaves as CT108 1 Connect Data Set to Line For Async Dial Sync Leased and UNIX Dial Ignore is ...

Page 80: ...t Ignore Stndrd_RS232 Sim_Cntl_Car Cntl_Car Request to Send Action RTS is a signal from the DTE to the modem indicating the DTE has data to send to the modem Ignore Modem assumes RTS is always ON Use this selection when the DTE does not provide RTS to the modem Standard RS232 Allows the DTE to control RTS to the modem in normal EIA 232 D operation In direct mode RTS must be ON for the DTE to trans...

Page 81: ...for 1 to 2 seconds upon a disconnect Use this for most UNIX applications Follows DTR The state of CTS follows the state of DTR When DTR turns ON CTS turns ON When DTR turns Off CTS turns Off For Async Dial Forced On is the factory default For Sync Dial and Sync Leased Stndrd_RS232 is the factory default For UNIX Dial WinkWhenDisc is the factory default AT command for Forced On is D0 AT command for...

Page 82: ...ins ON and LSD turns Off DTR must then toggle Off and then ON again for LSD to turn ON This setting is required for AT T DATAKITr dial out applications BridgeRetrain LSD behaves as if it were set for Standard RS232 except that it is turned off when a retrain condition lasts longer than10 seconds and turned on again when no retrain condition is detected for a period of 10 seconds NOTE If LSD Contro...

Page 83: ...o its previous data rate Fallback2 Forces the modem to decrease two data rates while remaining in the same modulation scheme When CT111 turns ON the modem returns to its previous data rate NOTE This configuration option is only valid in Async Direct mode and Synchronous mode For proper operation disable the V32bis Autorate and V32bis Automode configuration options The factory default is Disable AT...

Page 84: ... as the dialing method and protocol used by the modem This is also known as character oriented protocol This framing protocol uses two synchronous control characters and a start of text control character before the text block and an end of text control character after the text block The character length must be 7 data bits with odd parity and 1 stop bit V 25bis HDLC Selects V 25bis HDLC as the dia...

Page 85: ...ence characters The factory default is 1 second AT command is S register S12 n where n is a value from 0 to 255 in 20 millisecond increments BreakForceEscap Disable Nxt Disable Enable Break Forces Escape Determines whether or not the modem should enter Command mode when it receives a break character from the DTE Disable A break character is sent to the remote end Enable Modem escapes into AT Comma...

Page 86: ...or UNIX Dial EnableInOrig is the factory default AT command to enable is Q0 AT command to disable is Q1 AT command to enable in Originate mode is Q2 ExtendResltCode Enable Nxt Enable Disable Add EC Add V42 MNP Use_DTE_Rate Extended Result Codes Informational messages such as VF data rate and Error Control are displayed with the result codes For a list of Extended Result Codes refer to Table B 1 in...

Page 87: ...sult code for invalid commands When an invalid command is encountered the modem ignores it and issues the OK result code If a string with multiple commands is entered then an invalid command within that string will not prevent the execution of subsequent valid commands No Strap or ERROR Ignores all AT commands including valid commands that cause a configuration option to change Only nonconfiguring...

Page 88: ...nt Repeat Disable End Disable Enable DTR Cont Repeat Determines whether automatic redialing stops after the directory locations defined by DTR Auto Redial S37 have all been tried unsuccessfully once If DTR Cont Repeat is enabled automatic redialing starts again with directory location 1 The default is Disable A redial attempt is made in response to a bad phone number a busy signal no answer or no ...

Page 89: ...ed 1 2 4 6 8 or 10 values set by AT commands can display from 1 to 255 rings Disable If selected the modem must be answered using either the DCP s Answer command or Tlk Data function or via AT commands The factory default is 1 AT command to disable is S0 0 AT command is S register S0 n where n is a ring count from 1 to 255 Dialer Type Tone Nxt Tone Pulse Dialer Type Selects either tone DTMF dialin...

Page 90: ...m ignores all busy tones The factory default is Enable AT commands to disable are X0 X1 and X2 AT commands to enable are X3 X4 X5 X6 and X7 Pause Time 2sec Nxt 2sec 4sec 6sec 8sec 10sec 20sec Pause Time Determines the number of seconds the modem pauses when it encounters a comma in the dial command string NOTE Although DCP selections are limited 2 4 6 8 10 or 20 values set by the AT commands can d...

Page 91: ...ne method of disconnecting a call Enable 8 millisecond Disconnects the modems if line current is disrupted for more than 8 milliseconds Enable 90 millisecond Disconnects the modems if line current is disrupted for more than 90 milliseconds Use this setting if the modem constantly disconnects when set for Enab 8msec Disable Ignores any disruptions in line current such as call waiting The factory de...

Page 92: ...inute or 60 minute intervals The factory default is Disable The reloading of factory defaults does not affect No Data Disconnect AT command to enable is Tn where n is a value from 1 minute to 255 minutes AT command to disable is T0 NoDataDiscTrig Nxt TXD or RXD TXD and RXD TXD Only RXD Only No Data Disconnect Trigger Signal Works in conjunction with No Data Disconnect T and determines whether Pin ...

Page 93: ...dules NIMs must be installed on the COMSPHERE 3000 Series Carrier Refer to the COMSPHERE 3000 Series Carrier Installation Manual The factory default is Disable AT command is S register S69 n where n is 0 for Disable and 1 for Enable DTR Auto Redial End Dir 1 Dirs 1 2 Dirs 1 3 Dirs 1 4 Dirs 1 5 Dirs 1 6 Dirs 1 7 Dirs 1 8 Dirs 1 9 Dirs 1 10 DTR Auto Redial Defines the number of directory locations t...

Page 94: ...lation at the data rate selected The modem can be forced by the remote modem to a lower data rate 2400 V22bis 1200 V22 1200 212A Modem operates using the modulation and data rate selected 0 300 V21 0 300 103J Modem operates in full duplex Asynchronous mode These data rates do not support V 42 or MNPt error control The factory default is 19200 V32t AT command for Dial Line Rate is S register S41 n ...

Page 95: ... 22 dBm 23 dBm 24 dBm 25 dBm 26 dBm 27 dBm 28 dBm 29 dBm 30 dBm 31 dBm 32 dBm ETC 1 0_Cell ETC 1 1_Cell Dial Transmit Level Sets the power output level of the transmit signal over dial lines Permissive 9 dBm The modem transmits data at approximately 9 dBm ETC 1 0_Cell Valid only if Enhanced Throughput Cellular ETC is installed Transmit level is automatically adjusted in response to line conditions...

Page 96: ... over satellite links Short Allows the modem to train up faster when using V 32bis V 32 modulation The factory default is Long AT command is S register S43 n where n is 0 for Long and 1 for Short FallFwdDelay Disable End Disable 5_mins 15_mins 1_hour Fall Forward Delay Provides an initial delay before leased or dial lines are monitored for fall forward conditions After the timer expires monitoring...

Page 97: ...ommand for 2 wire Answer is L3 AT command for 4 wire Answer is L4 LeasedLine Rate 19200 V32t Nxt 19200 V32t 16800 V32t 14400 V32b 12000 V32b 9600 V32b 7200 V32b 4800 V32b 2400 V22bis 14400 V33 12000 V33 9600 V29 7200 V29 4800 V29 Leased Line Rate Determines the modem s data rate and modulation scheme for operation on leased lines 19200 V 32t 16800 V32t 14400 V 32bis 12000 V 32bis 9600 V 32bis 7200...

Page 98: ...from 0 dBm to 15 dBm 2W SQ Retrain Disable Nxt Disable 1 2 3 4 5 2 Wire Leased Line Signal Quality Retrain Forces the modem to retrain if the SQ Signal Quality LED is on for more than the specified number of seconds 1 5 2W SQ Retrain reduces the amount of bad data sent to the DTE when no error control is used but greatly increases the likelihood of retrains on impaired lines especially when Autora...

Page 99: ...modem will not perform a Bad Lines Auto Originate Enable The modem will originate a call after 30 seconds of continuous bad line conditions FastBackup The modem will originate a call after 20 seconds of continuous bad line conditions 2_min The modem will originate a call after 2 minutes of continuous bad line conditions 5_min The modem will originate a call after 5 minutes of continuous bad line c...

Page 100: ...lls back to 16 800 bps a dial backup attempt will be initiated This is available only on modems with the V 32terbo feature AT command is S36 n S36 0 Disable S36 1 OnFlBkTo48 S36 2 OnFlBkTo72 S36 3 OnFlBkTo96 S36 4 OnFlBkTo120 S36 5 OnFlBkTo144 S36 6 OnFlBkTo168 NOTE Rate Auto Originate is valid only when V 32bis Autorate is enabled S76 0 Auto Redial Nxt Dir_1 Dirs_1 2 Dirs_1 3 Dirs_1 4 Dirs_1 5 Di...

Page 101: ...On Level 43dbm Nxt 43dbm 26dbm Carrier On Level This configuration option controls the carrier detection threshold for leased lines When the power level of the receive carrier signal drops 2 dBm below this level either 26 dBm or 43 dBm LSD turns Off When the carrier signal is greater than this level LSD turns ON The factory default is 43dbm AT command is S register S48 n where n is 0 for 43 dBm or...

Page 102: ...e If this fails the modem attempts to connect in MNP mode If this fails the modem disconnects This is also known as Reliable mode MNP or Buffer Modem attempts to connect in MNP mode If this fails the modem connects in Buffer mode This is also known as MNP Autoreliable Mode MNP or Disconnect Modem attempts to connect in MNP mode If this fails the modem disconnects This is also known as Reliable mod...

Page 103: ... 42bis data compression is disabled This is rarely needed because V 42bis data compression does not cause data expansion for compressed data The factory default is Enable NOTE This configuration option is only available if Error Control Mode configuration option is set for V42 MNPorBfr or V42 MNPorDsc AT command for Disable is H0 AT commands for Enable are H1 H2 or H3 MNP5 Compress Enable Nxt Enab...

Page 104: ...ror control link negotiating handshaking sequence by sending this character The modems will connect in Buffer mode no error control Online changes do not take effect until a disconnect occurs When the modem receives this fallback character it switches to Buffer mode and transmits an EC fallback character to the DTE When comparing incoming characters for a match against the EC fallback character th...

Page 105: ...y available if the Flow Control configuration option is configured for XON XOFF AT command for Disable is X0 AT command for Enable is X1 Mdm Mdm FlowCtl Disable Nxt Disable Enable Modem to Modem Flow Control If a modem s buffers begin to fill due to data it is receiving from the remote modem but is not passing on to the DTE it can issue XON XOFF flow control characters to the remote modem This onl...

Page 106: ...t before the data currently in the buffer This is also known as Expedited mode The factory default is Data First NOTE This configuration option is ignored if the Break Forces Escape configuration option see DTE Dialer configuration options group is enabled AT commands for Break First are K0 K1 K2 and K3 AT commands for Data First are K4 and K5 TXBuffDiscDelay 10sec Nxt 10sec 60sec Disable The Tran...

Page 107: ... Mode configuration option is set for DirectMode AT command is S register S39 n where n is 0 for Disable and any value from 1 to 255 in 1 second increments Max Frame Size Nxt 256 192 128 64 32 16 Sets the maximum frame size for V 42 and MNP For V 42 operation 128 is the maximum value and a higher value has the effect of setting the frame size to 128 For MNP 64 is the minimum value and any lower va...

Page 108: ...he signal on Pin 21 The factory default is Disable AT command is S register S51 n where n is 0 for Disable and 1 for Enable DTE LL CT141 Disable Nxt Disable Enable DTE Local Loopback Controls the use of Pin 18 of the EIA 232 D ITU T V 24 interface by the DTE to initiate a local loopback An Abort command or test time out ends this test Enable The DTE forces the modem into local loopback when the si...

Page 109: ...etworks where multiple modems used in extended data circuits tail circuits can be commanded to loopback CAUTION Selecting an address will disable any remote loopback that can be commanded from a remote modem The DTE must now control loopback via CT140 and supply the address The factory default is Disable AT command for Disable is S register S53 0 AT command for V 54 Address is S register S53 n whe...

Page 110: ...ation for their particular call Reload No AT Change This has the same effect as Reload except that it becomes impossible to change this configuration option with an AT command and the command buffer is cleared so that AT A Repeat Last Command has no effect NOTE If Reload or RelodNoATChg is selected the following AT commands are disabled although the OK result code appears when these commands are i...

Page 111: ...000000 Nxt 00000000 Remote Access Password Allows the entry of a password for establishing control of a remote modem from the DCP of a local modem The same password must be used in both the local and remote modem CAUTION A remote access password should be selected for security purposes NOTE If the Access from Remote configuration option is set to Disable the password has no effect AT command equiv...

Page 112: ...to the NMS Call Connect Only The modem accumulates call statistics over a period of time and then transmits a summary of these statistics to the NMS The NMS uses this data to produce utilization reports Call Progress Only The modem transmits detailed modem status information to the NMS These messages include any events that can display on the LCD The factory default is CallCnct Prg AT command is S...

Page 113: ...tory default AT command for Tributary is S74 0 AT command for Control is S74 1 CellulrRJ11Adpt Disable End Disable Enable Cellular RJ11 Adapt Valid only when Enhanced Throughput Cellular ETC is installed Allows the modem to support an RJ11 connection to a 3 watt phone It also causes the modem to transmit the ETC 1 1 Calling Tone during call origination Disable No RJ11 support or ETC 1 1 Calling To...

Page 114: ...is configured for VF_ _DTE 2nd Dial Tone Once the answering modem is off hook it generates a dial tone to the originating modem as a prompt for that modem s VF side password Second dial tone is represented by a W in the dial command string Quiet Answer Once the answering modem is off hook it does not send an answer tone to the originating modem The originating modem enters its VF side password aft...

Page 115: ...security events are reported to the NMS controller The possible values 00 15 represent a bit map The bits are normally set using the NMS controller The value of NMS_Reporting is not affected by loading a factory default template The initial value when the modem is shipped is 00 Answer_Secur No_Answ_Sec Nxt No_Answ_Sec DTE_Only VF_ _DTE VF_w _DTE Answer Access Security Mode This configuration optio...

Page 116: ...op Level menu allows you to manage hardware and software functions such as speaker volume reset busy out and firmware download The Model 3811 has the additional hardware function Service Line Control Branch To access Control from the Top Level menu make the following selections F1 Idle 19 2 Control Remote F2 F3 Press the key until Control appears Select Control Control Speaker Reset Make_Busy or R...

Page 117: ...aker to high volume Command Complete appears on the LCD To exit Speaker and remain in the Control branch press the key To exit and return to the Top Level menu press the key AT Command Equivalent The AT commands for ON Off are M0 M1 and M2 The AT commands for volume control are L0 L1 L2 and L3 Reset Reset causes the modem to stop operation and perform a complete program restart The modem begins th...

Page 118: ...tablished you must still use the normal dialing methods as described in Chapter 5 Call Setup Branch A service line is an extra dial line connected to a COMSPHERE 3000 Series Carrier This line is normally shared by up to eight Model 3811 modems installed in either Slots 1 8 or Slots 9 16 However by daisy chaining the service line connector of one Network Interface Module NIM to the service line of ...

Page 119: ... to transfer an exact copy of the local modem s firmware to a remote modem Before using Clone to Remote perform the following Make sure the 3800 Series modems have an established dial network connection using either V 32bis or V 32 modulation or a leased line connection using either V 33 V 32bis V 32 or V 29 modulation Make sure the remote modem s Access From Remote configuration option is enabled...

Page 120: ...at The modems are connected but are using a modulation scheme other than V 33 V 32bis V 32 or V 29 No Response The remote modem is not a 3800 Series modem or the connection between the two modems is poor Access Disabled The remote modem s Access from Remote configuration is disabled Also is displayed if the local modem has a firmware release prior to Release 3 0 and the remote modem has Release 3 ...

Page 121: ...3800 Series modem dial the Automatic Firmware Download Center at 1 813 530 7026 You may use any dialing technique DCP Dial AT command or V 25bis Call Request If you have a DTE a terminal or PC attached to your modem informational messages are displayed on it when the modem is connected These show the amount of time the download will take However a DTE is not required The download begins without an...

Page 122: ...guration options and control test functions in a remote modem Any changes made to configuration options while using the Remote branch are not saved until you exit the Remote branch This function is only available when using either V 32bis V 32 V 33 or V 29 modulation schemes Remote Secondary Prim data blckd ExitRem appears instead of Remote when using Remote Mode Tlk Data Status Test Configure Con...

Page 123: ...tically made available to data transmission Unlike primary channel communications the secondary channel operates at a slower data rate and does not interrupt data flow V 32bis and V 32 are the only modulations available on the secondary channel To access the Remote branch make the following selections F1 Online 19 2 Control Remote F2 F3 Press the key until Remote appears Select Remote NOTE If a co...

Page 124: ...g the primary channel the Test branch does not appear Exit Remote replaces Remote on the local modem s LCD To return to local modem operation select ExitRem Any changes made to configuration options in the remote modem are saved The following conditions can cause Remote branch access to fail The local modem is not able to communicate with the remote modem because of a poor dial network or leased l...

Page 125: ...COMSPHERE 3800 Series Modems 11 4 September 1998 3810 A2 GB30 30 ...

Page 126: ...tional feature that allows you to control who has access to your COMSPHERE 3800 Series modem and ultimately your host DTE To take advantage of this security feature you must create a database of passwords which are stored in the modem s nonvolatile memory COMSPHERE 3800 Series modems can store a maximum of 20 passwords A Model 3811 with the optional Password Expansion Feature can store up to 3000 ...

Page 127: ...ntion is required since security negotiation is handled solely by the modems When the answering modem is configured for VF entry technique it goes off hook and transmits to the originating modem either a secondary dial tone or silence this choice depends on how the VF Prompt Type option is configured The originating modem detects this response and transmits its password which corresponds to a pres...

Page 128: ... number of pauses necessary for your call DTE Side Passwords DTE side password entry requires the originating user to supply a valid password via his DTE This method of password entry occurs after the modems training sequence but before normal connection The modems must be configured for asynchronous operation to use this type of security When using DTE side password entry the modems go through th...

Page 129: ...mine how the modems control password access Most of the functions within this branch are protected by an Administrative Password Once the correct password is entered these security functions appear on the modem s LCD The two major functions that appear under the Security branch are Set Access Control and Reset Security Tlk Data Status Test Configure Remote Status 494 13089a 01 Call_Setup Control S...

Page 130: ...ch functionality This password must be entered every time you access the Security branch This feature is shipped from the factory with the Administrative Password set to 00000000 Once the correct Administrative Password is entered the Edit Password Table Set Answer Security Set Originate Security and Set Administrative Password groups can be displayed on the LCD To enter your Administrative Passwo...

Page 131: ...ccess Select Index make the following selections F1 Set Access Ctrl Edit PassWd Table F2 F3 Select EditPassWdTable F1 Select Index Entą Ą 0001 F2 F3 Select Index appears Press the F2 key to increment index values Press the key to move the cursor to the next position Continue this sequence until the desired index appears and then press Ent If an index outside of the range is entered the message Ind...

Page 132: ...ity mode is set to VF_ _DTE or VF_w _DTE special requirements apply in order to use passwords with their type set to DTE_Entry The originating caller must first enter a valid VF password If the VF password entered is configured in the security database with the type VF_plus_DTE the user is then required to enter a password configured in the database table with the type DTE_Entry In the case of VF_...

Page 133: ... this configuration option set to the same value VF_ _DTE The answering modem is enabled for security The modems negotiate security using the VF side password entry technique protocol If successful and the Password Type for this particular VF password is set for VF_ _DTE a password is requested from the originating user If successful the modems connect and can pass data NOTE A call attempt fails i...

Page 134: ...on Table 12 3 Set Originate Security Group Options Set Orig Sec No_OrigSec EnaOrigSec Set Originate Security Controls the security protection for origination of calls when AT commands are used The originate password must be included in all AT dial command strings if this configuration option is enabled If not included or incorrectly entered the message ERROR is returned to the DTE No Originate Sec...

Page 135: ...until the new password value is entered Press the F1 key to save the new password value Reset Security Reset Security is the second major function within the Security branch of the Top Level menu It erases all contents of the security database table and resets all index locations to Cleared Two selections appear under Reset Security Abort Security Reset and Erase All PassWords Use Reset Security i...

Page 136: ...assword TYPE ATDT5551234W12345678 or ATDP5551234T 12345678 PRESS Enter Where ATD is the AT dial command P and T are Pulse dial and Tone DTMF dial modifiers 5551234 is the phone number W is the second dial tone dial modifiers is the wait for quiet answer dial modifiers 12345678 is the password VF side passwords must consist of 1 8 decimal digits is the password terminator character NOTE While pulse...

Page 137: ... and stop dial string command interrupt characters the Originate Access password must be enclosed by these characters abc123 is the 10 alphanumeric character Originate Access password T is the Tone DTMF dial modifier Comma is a pause dial parameter 98005551234 is the phone number Database Table Examples The following examples illustrate possible database tables in which the password type is config...

Page 138: ...ds VF and DTE Passwords Index Password Type Assigned to 121 1 VF_Entry Denver office 131 12 VF_plus_DTE Chicago office 141 1212 VF_plus_DTE Dallas office 151 953246 VF_plus_DTE Miami office modem 1 152 46958373 VF_plus_DTE Miami office modem 2 161 32562682 VF_Entry Atlanta office 1131 winter DTE_Entry User C Chicago office 1141 summer DTE_Entry User A Dallas office 1142 spring DTE_Entry User B Dal...

Page 139: ...DTE User A Denver office 02 user1 DTE_Entry User A Logon ID 03 00110002 VF_plus_DTE User B Denver office 04 ralph DTE_Entry User B Logon ID 05 4695873 VF_plus_DTE Berlin office 06 guest DTE_Entry Guest Logon ID 07 4695873 VF_plus_DTE Berlin office 08 actmgr DTE_Entry Account Manager Logon ID 09 350647 VF_plus_DTE User C 10 miami DTE_Entry Miami office 11 00159766 VF_plus_DTE User D 12 miami DTE_En...

Page 140: ... V 27ter modulations Before you can send or receive a fax the following must be true Your modem s firmware must support the fax option You must have fax software installed on your computer Your fax software must support Class 2 fax Your modem must be online with a compatible fax modem or fax machine You must have configured your modem according to the specifications of your fax software manual For...

Page 141: ...Configure Branch The DCP is disabled during fax operation Your fax software uses AT commands to tell the modem what to do These commands and the replies your modem makes such as OK may be displayed on your computer terminal during fax operation but this depends on your software You do not have to issue AT commands yourself unless you use AT commands to configure the modem For more information abou...

Page 142: ...ey automatically switch to Data mode Data mode is a state where any entries made from the DTE are considered data and are transmitted and received between modems The modems remain in Data mode until the connection is broken or until they are forced into online Command mode using the escape sequence Switching Between Data Mode and Online Command Mode Sometimes it is necessary to change operating pa...

Page 143: ...acters which make up the command string Commands must be entered on one line and end with the carriage return character Enter key Commands with the suffix n have several options associated with them For example in the Ln command L1 sets the speaker volume to Low and L3 sets the speaker volume to High If no value is entered for the n suffix the modem assumes a zero 0 value The A command without pre...

Page 144: ... 1200 bps B1 Bell 103 or Bell 212A 300 or 1200 bps The factory default is B1 Dn Dial Begins the dialing sequence The dial string n modifiers and telephone number is entered after the D command Any digit 0 9 A B C D may be dialed as a DTMF tone Only the digits 0 9 can be dialed in Pulse Dial mode The following example shows how to dial through a PBX The dial string consists of the command string an...

Page 145: ...on the second ring or subsequent rings Quiet answer Wait for five seconds of silence after dialing the number If the silence is not detected the modem sends either a NO ANSWER result to the DTE Hook flash This causes the modem to go on hook for 0 5 seconds then return to off hook Return to Command mode Modem returns to Command mode after dialing a number without disconnecting the call This is usef...

Page 146: ... no DCP equivalent of this command I17 Displays the last sequence fault record I19 Displays the entire firmware revision level Status Identity Ln Speaker Volume L0 Selects low volume L1 Selects low volume L2 Selects medium volume L3 Selects high volume Control Speaker Configure Edit Misc Mn Speaker On Off M0 Speaker always off M1 Speaker on until carrier signal is detected M2 Speaker always on Con...

Page 147: ...d Result Code Configure Edit DTE Dialer Dial Tone Detect Configure Edit Line Dialer Busy Tone Detect Configure Edit Line Dialer X7 Use DTE Rate Enable Enable EXTENDED RESULT CODE Enable Displays all result codes listed in Table B 1 except for error control suffix Disable Only displays OK CONNECT RING NO CARRIER ERROR Add EC Displays result codes with EC suffix Add V42 MNP Displays result codes wit...

Page 148: ... of LSD follows state of DTR except upon a disconnect where DTR remains ON and LSD turns Off DTR must then toggle Off and ON to turn LSD ON Use this setting for AT T DATAKIT applications Note that to use this option the DTR Action configuration option must be set to Stndrd_RS232 D1 or D2 C6 Bridge Retrain LSD behaves as if it were set for Stndrd_RS232 except that it is turned off when a retrain co...

Page 149: ... Error Control Mode N4 Auto Answer Rings S0 3 No Answer Timeout S7 120 No Carrier Disconnect S10 100 V 32bis Train S43 1 V 32bis Autorate S76 3 V 42 ARQ Window Size S89 9 Cellular Enhancements S91 1 If your modem is attached to a normal dial telephone line but sometimes communicates with a modem that is attached to a cellular phone use the F6 command F6 Cellular PSTN sets the following configurati...

Page 150: ...dems set to I99 and limit the data rate to 4800 bps S41 5 Set by F6 I100 Automatically adjusted according to the ETC1 1 specification NOTE J0 overrides this command In overrides the J0 command Configure Edit Dial Line Jn Dial Transmit Level Type J0 Permissive Approx 9 dBm NOTE Jn overrides the In command Configure Edit Dial Line Ln Leased Mode L0 Disables leased line operation L1 2 wire originate ...

Page 151: ...he DTE Dialer Type is disabled M232 Q232 Modem operates in Asynchronous mode V 25bis Async dialing is enabled M233 Q233 Modem operates in Synchronous mode V 25bis Bisync dialing is enabled M234 Q234 Modem operates in Synchronous mode V 25bis HDLC dialing is enabled M235 Q235 Modem operates in Asynchronous mode AT T Exclusive dialing is enabled M236 Q236 Modem operates in Synchronous mode the DTE D...

Page 152: ...m or network V0 Active Operating configuration options V1 Active Saved configuration options V2 Customer 1 configuration options V3 Customer 2 configuration options V4 Directory locations 1 10 None Wn Write Save to Memory Saves the current configuration options in Active Operating to one of three configuration areas W0 Saved to Active Save W1 Saved to Customer 1 W2 Saved to Customer 2 Configure Sa...

Page 153: ...nterface Gn Modem to Modem Flow Control G0 Disable G1 Enable Configure Edit V42 MNP Buffer Kn Break Buffer Control Send Break Control Break Forces Escape Break Send Break Buffer Break Forces Control Control Escape K0 Discard Data Break First Enable K1 Discard Data Break First Disable K2 Keep Data Break First Enable K3 Keep Data Break First Disable K4 Keep Data Data First Enable K5 Keep Data Data F...

Page 154: ... Control X0 Disable X1 Enable Configure Edit V42 MNP Buffer An Error Control Fallback Character An Where n is an ASCII value from 0 to 127 Factory default is 013 ASCII Configure Edit V42 MNP Buffer Bn Modulation and Data Rate Sets the modulation and maximum VF rate The B300 and B1200 commands work in conjunction with the B ITU T Bell Mode command to determine modulation B19200 V 32terbo maximum ra...

Page 155: ...3J 300 bps The factory default is B19200 Cn MNP5 Data Compression C0 Disable C1 Enable Configure Edit V42 MNP Buffer Rn DTE Rate Sets the rate at which data is passed between the modem and the DTE R must be the last command on the command line Setting the DTE rate with the R command does not turn off autobauding R115200 Sets the DTE rate to 115 200 bps R76800 Sets the DTE rate to 76 800 bps R57600...

Page 156: ...column Table 14 2 1 of 12 3800 Series S Registers S Register Description Front Panel Branch S0 Auto Answer Ring Number Register determines number of rings the modem will count before automatically answering a call Enter zero 0 if you do not want the modem to automatically answer any calls Otherwise enter a value from 1 to 255 for the number of rings to count before answering Factory setting is 1 C...

Page 157: ...onds an originating modem waits before abandoning a call when no answer tone is received Enter a value from 1 to 255 seconds Factory setting is 45 seconds Configure Edit Line Dialer S8 Pause Time for the Dial Modifier Register determines how long in seconds the modem pauses when it encounters a comma in the Dial command string Enter a value from 0 to 255 seconds Factory setting is 2 seconds Config...

Page 158: ... do not comply with the V 32 standard When 1800 Hz Training Tone is enabled a short burst of 1800 Hz AC tone is sent to the answering modem to prompt it to answer This is not required for V 32 compliant modems Register has the following values 0 Disable 1 Enable Factory setting is Disable Configure Edit Leased Line S35 Auto Redial Leased Line Auto Redial allows repeated automatic dial backup attem...

Page 159: ...at can be tried A redial attempt is made in response to a bad phone number a busy signal no answer or no quiet answer The modem must be in Originate mode When DTE Dialer Type is DTR Dirs Auto Redial works in conjunction with the DTR Cont Repeat S38 configuration option Register has the following values S37 0 Use Directory Location 1 S37 1 Use Directory Locations 1 2 S37 2 Use Directory Locations 1...

Page 160: ...certain conditions This register should only be enabled when the modem is located behind a user s Private Branch Exchange PBX This register is only valid for Model 3811 modems Register has the following values 0 Disable 1 Enable Factory setting is Disable Configure Edit Line Dialer S41 Dial Line Rate Register determines the modem s data rate and modulation scheme for operation on dial lines Regist...

Page 161: ...erbo 19 16 800 V 32terbo Factory setting is 19 200 V 32terbo Configure Edit Leased Line S45 Leased TX Level Register determines the modem s transmit power output level over leased lines Enter a value from 0 to 15 dBm Factory setting is 0 dBm Configure Edit Leased Line S46 Bad Lines Auto Originate Register determines if the modem performs an automatic dial backup if the leased lines fail Register h...

Page 162: ...255 seconds Factory setting is 10 seconds Configure Edit V42 MNP Buffer S51 DTE RL CT140 Register determines if the modem performs a remote digital loopback if it receives a CT140 signal from the DTE Register has the following values 0 Disable 1 Enable Factory setting is Disable Configure Edit Tests S52 DTE LL CT141 Register determines if the modem performs a local analog loopback if it receives a...

Page 163: ...ssword Register allows entry of the fourth pair rightmost of digits of a remote access password Any value from 00 to 99 is valid Configure Edit Misc S61 CT111 Rate Control Register determines if CT111 Rate is disabled set for Fallback 1 or Fallback 2 CT111 Rate allows the DTE to control modem rate via Pin 23 of the EIA 232 D interface This configuration option determines the effect of the DTE Rate...

Page 164: ...r determines if the modem sends information regarding status Call Progress and or sends summarized call statistics Call Connect to the network management system COMSPHERE 6700 Series NMS Register has the following values 0 Call Connect Progress 1 Disable 2 Call Connect Only 3 Call Progress Only Factory setting is Call Connect Progress Configure Edit Misc S67 Directory Location 1 Callback Register ...

Page 165: ...al has been off for more than 10 seconds Register has the following values 0 Disable 1 Enable Factory setting is Disable Configure Edit Misc S78 V 32bis Automode Dial Line Register allows the modem when operating on dial lines to automatically detect and connect to the remote modem s modulation scheme If the modem is in a modem pool attached to a System 85 Private Branch Exchange PBX S78 should be...

Page 166: ...lines when connected in V 32bis mode Register has the following values 0 Enable 1 Disable Factory setting is Enable Configure Edit Leased Line S84 AT Command Mode Register determines how the modem responds to valid and invalid AT commands Register has the following values 0 Normal 1 No ERROR 2 No Strap or ERROR Factory setting is Normal Configure Edit DTE Dialer S85 Fast Disconnect Register allows...

Page 167: ...lular Enhancements Register determines whether parameters are set to improve performance over a cellular link Should be enabled when the remote modem is using a cellular connection Register has the following values 0 Disable 1 Enable Factory setting is Disable Configure Edit Misc S92 V 29 Train On Data Valid only if the V 29 Option is installed and effective only if V 29 is selected for the leased...

Page 168: ...A 1 Overview The following pages provide graphic representations of the general menu structure of the front panel or SDCP displays The model installed features and configuration options all may affect what is actually displayed at each level of the menus A ...

Page 169: ...ect Blind Dial Paus BusyTone Detect Pause Time NoAnswer Timout Fast Disconnect Line Crnt Disc Long Space Disc No Carrier Disc No Data Disc Auto Make Busy MakeBusyViaDTR DTR Auto Redial Dial_Line Dial Line Rate 19200 V32t 16800 V32t 14400 V32b 12000 V32b 9600 V32b 7200 V32b 4800 V32b 2400 V22bis 1200 V22 1200 212A 0 300 V21 0 300 103J V32bisAutomode V32bisAutorate Dial TX Level V22b Guard Tone V32b...

Page 170: ...press MNP5 Compress EC Negotiat Bfr EC Fallbck Char Flw Cntl of DTE Flw Cntl of Mdm XON XOFF Psthru Mdm Mdm FlowCtl Break Buffr Ctl Send Break Cntl Tx Buff Disc Delay Rx Buff Disc Delay Max Frame Size Cellular Enhance Tests DTE RL CT140 DTE LL CT141 Test Timeout Rcv Remote Loop V54Address V54 Device Type Misc StrapsWhenDisc Speaker Control Speaker Volume Access frm Remt RemAccssPasswrd Dir 1_Callb...

Page 171: ...e_Busy or RemoveMakeBusy Service_Line or DiscServLine Download Code Secondary Prim data blckd ExitRem appears instead of Remote when using Remote Mode Security Set_Access_Ctrl Admin Password Reset_Security EditPassWdTable Set_Answer_Sec Set_Orig_Secur Set_Admin_PsWd 98 14436c 03 from previous page ...

Page 172: ... 4800 bps 12 12 CONNECT 9600 Connection at 9600 bps 13 16 CONNECT 12000 Connection at 12 000 bps 14 13 CONNECT 14400 Connection at 14 400 bps 15 14 CONNECT 19200 Connection at 19 200 bps 16 15 CONNECT 7200 Connection at 7200 bps 17 17 CONNECT 16800 Connection at 16 800 bps 19 1 CONNECT 300 Connection at 300 bps 20 10 CONNECT 2400 EC Connection at 2400 bps with error control Appears when the Extend...

Page 173: ... Connection at 7200 bps with error control 27 5 CONNECT 1200 EC Connection at 1200 bps with error control 28 28 CONNECT 38400 Connection at 38 400 bps 29 14 CONNECT 19200 EC Connection at 19 200 bps with error control 30 30 CONNECT 57600 Connection at 57 600 bps 32 32 CONNECT 76800 Connection at 76 800 bps 34 34 CONNECT 115200 Connection at 115 200 bps Appears when the Extended Result Codes config...

Page 174: ... representative Table C 1 Modem Health Symptom Action Modem did not pass power up self test Contact your service representative Power LED does not light LCD does not display Make sure the modem s ON Off switch is in the ON position Make sure the ac power transformer is connected to the ac power receptacle If Power LED and or LCD do not operate contact your service representative A problem is suspe...

Page 175: ...bps 300 bps is supported by the modem Refer to Async DTE Rate configuration option in the DTE Interface section of Chapter 9 If using a PC verify that the modem is attached to the correct communications port Table C 3 1 of 2 Modem VF Connection Symptom Action Modem does not receive a dial tone Attach the telephone directly to the wall outlet to verify that a dial tone exists Make sure the VF line ...

Page 176: ...ext block Modem dials but does not connect If the modem is operating behind a PBX verify if a 9 and comma are needed before the telephone number Verify whether Tone or Pulse dialing is needed Verify if one modem is configured for Error Control or Disconnect and the other modem is configured for no Error Control Try calling in Buffer mode If both modems use V 32bis or V 32 modulation set the modem ...

Page 177: ...gured for Originate mode Verify that both modems are using the same modulation scheme Verify that modems are configured for the appropriate leased line mode For example if you have a 4 wire leased line then the modems must be configured for 4 wire operation Modems are configured for dial backup but do not switch to dial lines if leased lines fail Verify that both modems have the Auto Dial Backup c...

Page 178: ...cations Description APPROVALS 115 Vac 60 Hz only FCC Part 15 Class A FCC Part 68 Registration Number See label on modem UL Model 3810 and Model 3820 Listed to UL 1950 COMSPHERE 3000 Series Carrier Recognized to UL 478 CSA Model 3810 and Model 3820 Certified to CSA C22 2 No 950 COMSPHERE 3000 Series Carrier Certified to CSA C22 2 No 950 DOC Model 3810 and Model 3820 Certification Number See label o...

Page 179: ...00 4800 bps ITU T V 22bis 2400 bps FAX MODULATIONS Optional ITU T V 17 14 400 12 000 9600 7200 bps ITU T V 29 9600 7200 bps ITU T V 27 ter 4800 2400 bps ENVIRONMENT Operating Temperature 32 F 0 C to 122 F 50 C Relative Humidity 5 to 90 noncondensing Shock and Vibration Withstands normal shipping Storage Temperature 4 F 20 C to 158 F 70 C DTE INTERFACE 25 pin D subminiature connector EIA 232 D ITU ...

Page 180: ... 2 1 inches 5 4 cm Model 3810 and Model 3820 7 1 inches 18 1 cm Model 3811 Width 7 6 inches 19 4 cm Model 3810 and Model 3820 0 9 inches 2 3 cm Model 3811 Depth 12 1 inches 30 8 cm Model 3810 and Model 3820 13 4 inches 34 0 cm Model 3811 TRANSMIT LEVEL Dial Line Permissive 9 dBm Leased Line 0 through 15 dBm in 1 dBm decrements TELEPHONE INTERFACE Dial Line Connectivity Models 3810 and 3820 Model 3...

Page 181: ... pair leased jack Requires 125 0054 1531 for JM8 connection 50 pin mass termination VOICE FREQUENCY LINE REQUIREMENTS 2 wire dial PSTN or 4 wire 2 wire leased line DATA RATES Dial Line 19 200 16 800 14 400 12 000 9600 7200 4800 2400 1200 or 300 0 bps Leased Line 19 200 16 800 14 400 12 000 9600 7200 4800 or 2400 bps Fax 14 400 9600 7200 4800 or 2400 bps ERROR CONTROL ITU T V 42 MNP 4 2 DATA COMPRE...

Page 182: ...hed private line networks specifically the service equivalents of the pre divestiture Series 3002 Category II Tariff 260 service There is a substantial difference in transmit levels permitted in the private line service and those permitted in the public switched network The industry standard is now an 8 pin keyed modular jack known as the USOC JM8 Bellcore Technical Reference TR EOP 000242 Issue 1...

Page 183: ...7 4 Wire Receive Leased Line 8 4 Wire Receive Leased Line Table E 2 VF Connector Pin Assignments TELCO Jacks Pin RJ11 RJ41S RJ45S JM8 6 Pin Center Pair Leased 1 Not Used Ring Fixed Loss Loop Not Used Ring 1 Not Used 2 Not Used Tip Fixed Loss Loop Not Used Tip 1 Not Used 3 Not Used Mode Indication Mode Indication Loopback Indication Tip 1 4 Ring Ring Programmed Ring Programmed Not Used Ring 5 Tip T...

Page 184: ...8 LSD CF 109 DCE Line Signal Detect 9 10V Reserved for test purposes may be used to drive one RS 232 load 10 10V Reserved for test purposes may be used to drive one RS 232 load 11 Unassigned 12 CT112 CI 112 DCE Data Signal Rate Select 13 Reserved for future function 14 Reserved for future function 15 TXC DB 114 DCE Transmit Clock 16 Reserved for future function 17 RXC DD 115 DCE Receive Clock 18 C...

Page 185: ...ition 2 DPR 211 DTE Digit Present 3 ACR 205 ACE Abandon Call and Retry 4 CRQ 202 DTE Call Request 5 PND 210 ACE Present Next Digit 6 PWI 213 ACE Power Indication 7 SG 201 Signal Ground 13 DSC 204 ACE Distant Station 14 NB1 206 DTE Digital Lead Pin 14 15 NB2 207 DTE Digital Lead Pin 15 16 NB4 208 DTE Digital Lead Pin 16 17 NB8 209 DTE Digital Lead Pin 17 18 RC ACE Receive Common 19 SC DTE Send Comm...

Page 186: ...ocations As commands are entered from the DTE the 3800 Series modems issue a response to the DTE which indicates if the call failed or connected or if the command is valid or invalid The following section discusses those V 25bis commands supported by the 3800 Series modems and the response to those commands Tables F 1 and F 2 in the Command Response section list the V 25bis command and response an...

Page 187: ...s similar to the Call Failure Messages Dial Line in Use and No Dial Test and the result code ERROR RT is similar to the Call Failure Message No Answer Tone and the result code NO CARRIER AB is similar to the Call Failure Messages No Dial Tone and No Dial DTR and the result code NO DIALTONE and ERROR NT is similar to the Call Failure Message No Quiet Answer and the result code NO ANSWER Call Connec...

Page 188: ... directory locations and telephone numbers are displayed If a directory location is entered then only that telephone number are displayed The RLN command format is RLN which displays all directory locations or RLNx Where x is a directory location List Stored Number Response LSN LSN is a response to an RLN command issued by the DTE If a directory location is specified then the telephone number for ...

Page 189: ... Request with Memory Address ATDS CALL ANSWER COMMANDS INC Incoming Call Indication RING DIC Disregard Incoming Call NONE CIC Connect Incoming Call ATA PROGRAM COMMAND PRN Program Normal AT Z LIST REQUEST RLN Request to List Stored Number NONE Table F 2 V 25bis Response Messages V 25bis Command Description AT Command Result Code Equivalent CALL RESPONSE CFI Call Failure Indication BUSY NO ANSWER N...

Page 190: ...ettings Sync Dial Default Settings Sync Leased Answer Originate Mode Default Settings DTE Interface Async Sync Mode Async DTE Rate Data Bits Parity Bit Stop Bits DTR Action DSR Control RTS Action CTS Control Wink When Disc LSD Control TX Clock Source CT111 Rate Control Async 19 200 bps 8 None 1 Ignore Forced ON Ignore Forced On RTS CTS Delay Standard RS232 Wink When Disc N A Disable Sync N A N A N...

Page 191: ...SCII 008 ASCII 010 ASCII Enable Enable In Originate Enable Words Normal N A N A N A Disable N A N A N A N A N A N A N A N A N A N A N A N A N A N A Disable N A N A N A N A N A N A N A N A N A N A N A N A N A N A LINE DIALER Auto Answer Ring Count Dialer Type Dial Tone Detect Blind Dial Pause Busy Tone Detect Pause Time No Answer Timeout Fast Disconnect Line Current Disconnect Long Space Disconnect...

Page 192: ...Carrier On Level Fall Fwd Delay N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A 4 wire LL Answer 4 wire LL Orig 19200 V32t Enable 0 dBm Disable Disable Disable 43 dBm Disable V 42 MNP BUFFER Error Control Mode V 42bis Compression MNP5 Compression EC Negotiate Buffer EC Fallback Character Flow Control of DTE Flow Control of Modem XON XOFF Passthrough Modem to Modem Flow Cont...

Page 193: ...nagement Address NMS Call Messages Network Position No Change On Until Carrier Medium Enable 00000000 Disable 256 Call Connect Progress N A No Change On Until Carrier Medium Enable 00000000 Disable 256 Call Connect Progress N A No Change On Until Carrier Medium Enable 00000000 Disable 256 Call Connect Progress Tributary Control SECURITY Entry Wait Time VF Prompt Type DTE Password Tries DTE Passwor...

Page 194: ...220 240V 3810 A1 301 Model 3811 3811 B1 001 Model 3820 115V 3820 A1 001 Model 3820 220 240V 3820 A1 301 Fax Option 3800 C1 008 6 position 4 wire modular cord 7 foot length 125 0067 0031 8 position 8 wire modular cord 14 foot length 125 0053 1431 8 position to 6 position JM8 to RJ11 crossover modular cord 125 0054 1531 H ...

Page 195: ...COMSPHERE 3800 Series Modems H 2 September 1998 3810 A2 GB30 30 ...

Page 196: ...odem ASCII This code American Standard Code for Information Interchange is a 7 bit code which establishes compatibility between data services ASCII is the standard for data transmission over telephone lines The ASCII code consists of 32 control characters nondisplayed and 96 displayed characters Async Dial A factory preset configuration area containing the configuration options most often used in ...

Page 197: ...er second although the terms are frequently interchanged Bisync Binary Synchronous Communications An IBM communications protocol that has become an industry standard It uses a defined set of control characters and control character sequences for synchronized transmission of binary coded data between stations in a data communications system bit A contraction of binary digit A bit which is the small...

Page 198: ...are that sets specific operating parameters for the modem Sometimes referred to as straps Configure Top Level menu branch that contains all the modem s configuration options connector An outlet on equipment and cables that provides a connection CSA Canadian Standards Association CTS Clear to Send A signal indicating that the modem is ready for the DTE to transmit data Customer 1 A user defined con...

Page 199: ...numbers and modifiers used to dial a telephone number digital signal A signal composed of only two discrete values representing the binary digits 0 and 1 directory location Nonvolatile memory that stores up to ten telephone numbers Each directory location can have up to 40 characters entered DOC Canadian Department of Communication download A process that transfers modem firmware from a locally at...

Page 200: ... you to select or increment an LCD entry Function keys are labeled F1 F2 and F3 Group III A fax standard that specifies a rate of transmission of about one page per minute half duplex Two way data communications allowed in only one direction at a time handshaking The exchange of predetermined codes and signals tones to establish a connection between two modems HDLC High Level Data Link Control A c...

Page 201: ...are the receive pair keypad A set of seven keys surrounding the DCP s LCD These keys are used to select configuration options and to maneuver through the DCP LCD Liquid Crystal Display A thin sandwich of two sealed glass plates containing liquid crystal material When voltage is applied the amount of light able to pass through the glass plates is altered so that messages may be written on the displ...

Page 202: ...t is one of two sides of the network that is selected to be the originating modem parity A way of checking data accuracy by counting the number of bits that have a value of one PBX Telephone switching equipment Private Branch Exchange dedicated to one customer A PBX connects private telephones to each other and to the public dial network permissive interface A dial modem operating mode characteriz...

Page 203: ...ammable dial networks providing the appropriate conductors for up to eight telephone lines RJ45 A type of 8 position jack normally used with programmable dial networks rotary A TELCO service whereby multiple lines to a customer premises share a common telephone number SDCP Shared Diagnostic Control Panel An optional user interface similar to the front panel of a Model 3810 or 3820 modem that attac...

Page 204: ... menu The very top of the menu tree that displays modem status and all Top Level menu branches training A process where two modems try to establish a connection over the VF line UL Underwriter s Laboratories Inc UNIX Dial A factory preset configuration area containing the configuration options most often used in a UNIX dial network USOC Universal Service Ordering Codes VF Voice Frequency The part ...

Page 205: ...COMSPHERE 3800 Series Modems Glossary 10 September 1998 3810 A2 GB30 30 ...

Page 206: ... 8 2 V View Configuration Options 14 11 W Save to Memory 14 11 X Transmit Clock Source 9 13 14 11 Z Store Telephone Numbers 5 6 14 11 A Error Control Fallback Character 9 35 14 13 B Modulation Data Rate 14 13 14 14 14 16 C MNP5 Compression 9 34 14 14 R Sets DTE Rate 14 14 A Maximum Frame Size 9 38 14 12 C Error Control Negotiate Buffer 9 35 14 12 D CTS Control 9 12 14 12 G Modem to Modem Flow Cont...

Page 207: ... configuration options 9 7 9 46 Dial Line 9 25 DTE Interface 9 7 editing and saving 9 5 error control 9 33 factory default G 1 for cellular 14 8 Leased Line 9 28 Line Dialer 9 20 Miscellaneous 9 41 saving 14 11 Security 9 45 selecting 4 13 Tests 9 39 V 42 MNP Buffer 9 33 viewing 14 11 Configure branch 9 4 connection ac power 2 7 COMSPHERE 6700 Series NMS 2 7 dial line 2 4 DTE 2 6 leased line 2 4 t...

Page 208: ...stomer supplied 2 3 in modem package 2 2 list H 1 Erase All Passwords 12 11 error control 9 33 Error Control Fallback Character 9 35 Error Control Fallback Character A 14 13 Error Control Mode 9 33 Error Control Mode N 14 12 Error Control Negotiate Buffer 9 35 Escape Character 9 16 escape character S2 14 15 Escape Guard Time 9 16 Escape Guard Time S12 14 16 escape sequence 14 1 Extended Result Cod...

Page 209: ... 14 23 No Answer Timeout 9 21 No Answer Timeout S7 14 16 No Carrier Disconnect 9 23 No Carrier Disconnect S10 14 16 No Data Disconnect 9 23 No Data Disconnect Timer T 14 13 No Data Disconnect Trigger Signal 9 23 No Data Disconnect Trigger Signal S80 14 24 Nxt DCP option 9 6 O Online mode 14 5 operating modes 14 1 options 1 2 Options Status branch 7 5 Originate Access security 12 2 Originate Securi...

Page 210: ... 9 40 14 21 S55 Access from Remote 9 42 14 22 S56 S59 Remote Access Password 9 42 14 22 S61 CT111 Rate Control 9 14 14 22 S62 V 25bis Coding 9 18 14 22 S63 V 25bis Idle Character 9 18 14 22 S64 V 25bis New Line Character 9 19 14 23 S65 Line Current Disconnect 9 22 14 23 S66 NMS Call Messages 9 43 14 23 S67 Directory Location 1 Callback 9 42 14 23 S69 Make Busy Via DTR 9 24 14 23 S74 Network Positi...

Page 211: ...ne G 14 8 V 25bis Autorate S76 14 24 V 25bis Coding 9 18 V 25bis Coding S62 14 22 V 25bis dialing commands and responses F 1 V 25bis Idle Character S63 14 22 V 25bis Idle Fill 9 18 V 25bis New Line Character 9 19 V 25bis New Line Character S64 14 23 V 29 Train On Data 9 32 V 32bis Automode 9 25 V 32bis Automode S78 14 24 V 32bis Autorate 9 26 9 29 V 32bis Autorate S82 14 25 V 32bis Train 9 27 V 32...

Page 212: ...00282600 See page 12 10 Set Admin PsWd ...

Page 213: ... 3810 A2 GB30 30 3810 A2 GB30 30 ...

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