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COMSPHERE 3900 Series Modems

September 1998

3910-A2-GN32-40

Appendices

Menu Tree

A-1

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Troubleshooting

B-1

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Pin Assignments

C-1

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CCITT V.25bis Dialing Commands and Response

D-1

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ASCII Character Table

E-1

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Default Configuration Options

F-1

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Sample Configurations

G-1

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Equipment List

H-1

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Glossary

Index

Содержание COMSPHERE 3911

Страница 1: ...COMSPHERE 3900 SERIES MODEMS MODELS 3910 AND 3911 POINT TO POINT MULTIPOINT INSTALLATION AND OPERATION MANUAL Document No 3910 A2 GN32 41 February 2002...

Страница 2: ...net Visit the Paradyne World Wide Web site at http www paradyne com Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within...

Страница 3: ...ied 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 responsibili...

Страница 4: ...HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE THE AUTHORITY TO OPERATE THIS EQUIPMENT IS CONDITIONED BY THE REQUIREMENTS THAT NO MODIFICA...

Страница 5: ...al Specifications 1 8 2 Modem Installation Overview 2 1 391x Series Modem Package 2 1 Model 3910 Modem Installation 2 2 DTE Connection 2 4 Model 3910 4 Wire 2 Wire Leased Line Connection 2 4 Dial Netw...

Страница 6: ...ew 5 1 Configure Branch 5 4 Configuration Tables 5 9 6 Poll List Branch Overview 6 1 7 Control Branch Overview 7 1 Speaker 7 2 Reset 7 3 Data Stream 7 3 EIA LEDs 7 4 Make Busy Remove Make Busy 7 5 Ser...

Страница 7: ...l Dialing When the Remote Modem is Configured for Auto Answer 11 2 Manual Dialing When the Remote Modem is Configured for Manual Answer 11 3 12 Dial Access Security Overview 12 1 Security Branch 12 4...

Страница 8: ...N32 40 Appendices A Menu Tree A 1 B Troubleshooting B 1 C Pin Assignments C 1 D CCITT V 25bis Dialing Commands and Response D 1 E ASCII Character Table E 1 F Default Configuration Options F 1 G Sample...

Страница 9: ...attern Test and Local Analog Loopback Test 8 7 8 5 Pattern Test and Digital Loopback Test 8 8 8 6 End to End Pattern Test 8 8 10 1 Dial Backup 10 5 C 1 VF Pin Orientation C 3 C 2 Wiring Diagram Y Cabl...

Страница 10: ...COMSPHERE 3900 Series Modems vi September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 11: ...ration Options 5 46 5 8 Miscellaneous Configuration Options 5 48 7 1 Valid Ranges for VF Thresholds 7 16 10 1 Valid Dial Command Modifiers 10 8 12 1 Edit Password Table Group Options 12 7 12 2 Set Ans...

Страница 12: ...SPHERE 3900 Series Modems viii September 1998 3910 A2 GN32 40 Table Page D 1 V 25bis Commands D 6 D 2 V 25bis Response Messages D 7 E 1 ASCII Characters E 1 F 1 Factory Default Configuration Options F...

Страница 13: ...how to use the Status branch of the front panel menu to monitor the status of the modem and view identity information Chapter 5 provides the information required to set configuration options in the 39...

Страница 14: ...Appendix H provides an equipment list for the 391x Series modems The Glossary provides a description of terms used throughout this manual Related Documents 3000 A2 GA31 COMSPHERE 3000 Series Carrier...

Страница 15: ...Point to Point Diagnostic 1200 2400 bps Trellis Multipoint 19200 14400 9600 7200 4800 and 2400 bps V 22bis 2400 bps V 27bis 4800 and 2400 bps V 33 14400 and 12000 bps and V 29 9600 7200 and 4800 bps D...

Страница 16: ...eased backup applications a 2 wire leased line is used as the backup facility instead of the normal 2 wire dial line Plug the leased line into the jack labeled DIAL on the rear panel of the modem see...

Страница 17: ...a row of 13 LED status indicators For a better understanding of DCP operation refer to Chapter 3 DCP Operation SPEAKER DIAGNOSTIC CONTROL PANEL LCD AND KEYPAD STATUS INDICATORS POWER SUPPLY POWER COR...

Страница 18: ...rier s optional speaker The Model 3911 modem s rear has two edge card connectors that mount into a connector plate located on the rear of the carrier This connector plate has two DB 25 S connectors on...

Страница 19: ...rd assembly If requested this information must be provided to the telephone company 2 Page A of this manual contains the Universal Service Order Codes USOC associated with the services on which the eq...

Страница 20: ...our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 727 530 2340 If the trouble is ca...

Страница 21: ...by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications compan...

Страница 22: ...910 Certification Number See label on modem Model 3911 Certification Number See label on modem COMPATIBILITY Leased Line Modulations Paradyne V 32terbo 19200 16800 bps ITU T V 32bis 14400 12000 9600 7...

Страница 23: ...ds 1 14 kg Model 3910 without power supply 1 0 pounds 0 45 kg Model 3911 Height 2 1 inches 5 4 cm Model 3910 7 1 inches 18 1 cm Model 3911 Width 7 6 inches 19 4 cm Model 3910 0 9 inches 2 3 cm Model 3...

Страница 24: ...l Specifications for 391x Series Modems Specifications Description DATA RATES Leased Line 19200 16800 14400 12000 9600 7200 4800 2400 1200 bps Dial Line 19200 16800 14400 12000 9600 7200 4800 2400 120...

Страница 25: ...package check for damage and verify that the following items are present For the standalone model Installation instructions Model 3910 modem Power supply One 6 position 4 wire modular cord in selecte...

Страница 26: ...modems installed in Slots 9 16 required for dial line applications For installation of the COMSPHERE 3000 Series Carrier into a cabinet refer to the COMSPHERE 3000 Series Carrier Installation Manual M...

Страница 27: ...dix C Pin Assignments 8 POSITION 8 CONDUCTOR PLUG FOR LEASED LINE NETWORK OPERATION 6 POSITION 4 CONDUCTOR PLUG FOR PERMISSIVE DIAL NETWORK OPERATION DB 25 P CONNECTOR FOR DATA TERMINAL EQUIPMENT OPER...

Страница 28: ...ne company provides the line termination jacks for the permissive service you request Advance coordination with the telephone company is suggested when connecting the modem to telephone dial lines PST...

Страница 29: ...r supply s 8 pin DIN connector into the modem s rear panel dc power receptacle Figure 2 1 3 Connect the power supply to a grounded ac power outlet Modem Power Up Once your modem is properly connected...

Страница 30: ...play LCD consists of two 16 character lines which display modem status control functions and configuration options as well as indicating your location in the Top Level menu tree Appendix A To change a...

Страница 31: ...e asynchronous DTE s communication software is configured for 10 bit character format for example 8 data bits no parity and 1 stop bit Make sure the DTE cable is attached to the DTE connector on the r...

Страница 32: ...NOTE Only F0 F3 F5 and F6 allow you to use AT commands after saving a factory configuration Any other selection removes AT command control The only way to return to AT command control is through the D...

Страница 33: ...when it is removed from the carrier The Model 3911 is designed for installation in a COMSPHERE 3000 Series Carrier which supplies both the operating power and the leased and or dial network connection...

Страница 34: ...If the carrier is ON the Power LED on the faceplate of the 3911 lights After several seconds the modem completes its power up self test in which all faceplate LEDs light Return to the rear of the car...

Страница 35: ...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 2...

Страница 36: ...strap when handling the modem Always store the Model 3911 in an antistatic bag when it is removed from the carrier It is not necessary to power down the carrier to remove and replace a Model 3911 mod...

Страница 37: ...nel SDCP an optional feature used with the Model 3911 installed into a COMSPHERE 3000 Series Carrier Both DCPs have a two line 32 character liquid crystal display LCD and keypad through which Top Leve...

Страница 38: ...108 142 COMSPHERE 3910 496 14174 01 F1 F2 F3 SQ RTS DTR 104 DIAG DIAL Figure 3 1 Model 3910 DCP Model 3911 Faceplate and Shared Diagnostic Control Panel SDCP The shared diagnostic control panel SDCP F...

Страница 39: ...l 3911 s faceplate the SDCP and the SDU faceplate Figure 3 2 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 Te...

Страница 40: ...is attempting to establish a call over the dial network or the modem is in Dial Standby mode ON The modem has established a dial connection OFF A dial connection does not exist RI 125 3911 only green...

Страница 41: ...llow The modem is involved in a test Normal operation is not possible EC green The modem is in Error Control mode Diagnostic Control Panel Operation The 391x Series modem s diagnostic control panel DC...

Страница 42: ...oll indicator appears when more choices are available to the left and right of what is currently displayed on the LCD Left Scroll Indicator The left scroll indicator appears when more choices are avai...

Страница 43: ...mer 1 or Customer 2 configuration areas Key The key moves you up one level in the menu tree and Keys Use the and keys to move the viewing window left or right and to scroll the remaining branches and...

Страница 44: ...egin and end various modem tests SubHS Sub Network Health and Status Used to display alarm conditions in downstream modems Call Setup Used to dial disconnect and answer telephone calls as well as stor...

Страница 45: ...rol compatible between both modems Once a level is selected this LCD message disappears Dial Backup or L d B k Standby MR The modem is operating in Dial Standby mode p Leased Backup DialBckUp MR The m...

Страница 46: ...was detected Trunk Busy The modem is receiving a fast trunk busy Wrong Call The call was answered but not by a modem No answer tone MR Modem Rate indicates the data rate the modem is using One of the...

Страница 47: ...as disconnected due to a lack of transmitted and received data Disconnecting The modem has begun the disconnect sequence RmtCmnded Disc The modem has disconnected due to a V 32 Cleardown received from...

Страница 48: ...ed time limit was exceeded before the modem received a VF password from the originating dialer Unknown DTEpswd The modem did not finish answering a call disconnected because the DTE passwords received...

Страница 49: ...alk Data Security and Remote These branches are described in detail in Chapters 4 through 13 Quick Configuration Display The Quick Configuration display indicates the basic operational characteristics...

Страница 50: ...ate mode and D indicates Dial mode ee Displays the modem DTE port that is currently being displayed by the EIA status indicators on the DCP P1 indicates Port 1 CC indicates Control Channel DC indicate...

Страница 51: ...ta Security Remote Status DeviceHS VF Identity DTE Options Record Major Minor Status Dial Thresh Security Port1 SigQual1 RcvLevel1 2 Sig Noise1 2 NrEchLvl1 FarEchLvl1 FarEchDel1 EchoFreqOff1 NonLnearD...

Страница 52: ...hich are active at the time the DeviceHS function is selected To access DeviceHS from the Status branch make the following selection F1 Status DeviceHS VF F2 F3 Select DeviceHS F1 Device HS Major Mino...

Страница 53: ...rate is below the configured rate Refer to Leased Line and Dial Line in Chapter 5 DCP Configuration for a description of configuration options affecting rate Status Subtree Truncate Downstream health...

Страница 54: ...reshold Security Database Reset The security database has been reset passwords erased y Password Protect Security password protection has been enabled Mode Change There has been a change in security m...

Страница 55: ...l This value appears for V 32 terbo V 32bis V 32 and Trellis Multipoint modulations Sig Noise Signal to Noise Ratio displays in decibels the receive signal strength relative to noise on the line This...

Страница 56: ...firmware upgrades To access Identity from the Status branch make the following selection F1 Status VF Identity F2 F3 Press the key until Identity appears Select Identity F1 Status Identity Ser 000000...

Страница 57: ...sterisk indicates at least one transition while a blank space indicates no transitions The second symbol indicates the state of the interface lead at the sampling time A solid block indicates a Space...

Страница 58: ...ay the next screen F1 Status Backup Bkup 2wAPL Good F2 F3 This screen displays the configuration and condition of the inactive line facility either APL primary or backup There are four condition codes...

Страница 59: ...X or Pri 2w APL XXXX Good indicates the line condition is good Bad indicates the line condition is bad indicates the line condition is unknown Lease Lookback has not had enough time to make an initial...

Страница 60: ...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 Record Record is a troubleshooting tool used by the end user in conjunction...

Страница 61: ...t field Sequence fault fields range from 1 to 8 and are identified by a number in the upper right corner Press the key to view the remaining fields The message Modem O K appears if no sequence faults...

Страница 62: ...COMSPHERE 3900 Series Modems 4 12 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 63: ...o any configuration options In the event of a power cycle or reset the modem retrieves these settings from nonvolatile memory Customer 1 and Customer 2 are two additional read and write changeable con...

Страница 64: ...ED TO Active Operating WHEN A SAVE IS COMMANDED VIA THE DCP ON A RESET OR ON POWER UP Active Operating Active Saved Customer1 Customer2 Factory EDIT AREA ALLOWS YOU TO VIEW AND EDIT CONFIGURATION OPTI...

Страница 65: ...p Control AT F7 S Async Dial AT F0 S Sync Dial AT F1 S Sync Leased Originate AT F4 S Async Leased Originate AT F6 S TMp Trib AT F8 S UNIX Dial AT F3 NOTE ON POWER UP Active Saved IS LOADED TO Active O...

Страница 66: ...ss various levels of the Configure branch Status Status PList Control Test SubHS Call_Setup Tlk Data Security Remote Configure Ld EditArea frm Activ Operating Active Saved Customer1 Customer2 Factory...

Страница 67: ...this branch Editing and Saving a Configuration Option The following example shows how to change the Remote Access Password using the DCP If you intend to access another 3900 Series modem via the Remo...

Страница 68: ...Sync_Leased F2 F3 Select Sync_Leased F1 Choose Mode Answer Originate F2 F3 Select Answer F1 Choose Function Edit Save F2 F3 Select Edit F1 Edit StrapGroup DTE_Interface F2 F3 F1 Edit StrapGroup Test...

Страница 69: ...3 Select Nxt until RemAccssPasswrd appears F1 RemAccssPasswrd Nxt 10000000 F2 F3 Select the F2 key to increment password values F1 RemAccssPasswrd Nxt 10000000 F2 F3 Press the key to move the cursor t...

Страница 70: ...rolling 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 se...

Страница 71: ...tion options is restricted The modem will accept any selection but it will set the configuration option to the closest legal value The actual value that is accepted by the modem is displayed when the...

Страница 72: ...red and the RS232 cable length must be minimized to reduce capacitance NOTE To configure the Async DTE Rate different than the modem rate ensure that the Error Control Mode configuration option see th...

Страница 73: ...he DTE Dialer Type configuration option is set to AT or V 25bis Async then the total character size must equal 10 bits Total character size consists of start data parity and stop bits V 25bis Async mu...

Страница 74: ...during an active call until DTR is lowered by the attached DTE This setting is ignored if the modem is commanded to disconnect from its own front panel or by the COMSPHERE 6700 Series Network Managem...

Страница 75: ...R to always be ON H Wink When Disconnect DSR is normally forced ON but is turned OFF for 1 to 2 seconds upon a disconnect H Follows DTR When the modem receives DTR from the DTE it sends DSR to the DTE...

Страница 76: ...arrier is present on the VF line When RTS turns OFF carrier is not present This is only valid for V 29 and V 27bis leased line modulations Auto Dial Backup is always disabled for this setting The AT c...

Страница 77: ...the state of DTR When DTR turns ON CTS turns ON When DTR turns OFF CTS turns OFF H Follows RTS The state of CTS follows the state of RTS When RTS turns ON CTS turns ON When RTS turns OFF CTS turns OFF...

Страница 78: ...When DTR turns ON LSD turns ON When DTR turns OFF LSD turns OFF H Simulated Control Carrier LSD follows the state of RTS of the remote DTE via the V 13 simulated control carrier signaling This is req...

Страница 79: ...ch the Dual_Leased_Ln is configured for Enable and Async Sync Mode is Sync Backup Transmit Clock Source Selects the clock reference source when operating in the Dual Leased Line Mode This is a special...

Страница 80: ...es 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...

Страница 81: ...Port1 Port2 Port3 Port4 Port5 Port6 Port7 Port8 This configuration option only appears on a control modem when the Extended Main Channel is enabled Upstream Port When an extended control modem s main...

Страница 82: ...1 stop bit If the modem is in Asynchronous mode enter the following command string to configure it for V 25bis Bsync dialing AT F D1 S1 M233 W If the modem is already configured for synchronous operat...

Страница 83: ...nly appears if DTE Dialer Type is configured for AT Escape Guard Time Determines the length of the required pause before and after the escape sequence is issued The guard time prevents the modem from...

Страница 84: ...TE Dialer Type is configured for AT Line Feed Character Sets the character used to perform a line feed in Command mode for responses from the modem The AT command is S Register S4 n where n is a value...

Страница 85: ...is used For example CONNECT 9600 V42b H Use DTE Rate Allows the DTE rate to be displayed in the Connect message instead of the line rate This feature is required in some modem pooling applications NOT...

Страница 86: ...tion option affects AT commands it cannot be changed by the AT F command However it can be changed by selecting a factory preset configuration via the DCP The AT command is S Register S84 n where n is...

Страница 87: ...a Branch for more on Manual Answer NOTE Although DCP selections are limited 1 2 4 6 8 or 10 values set by AT commands can display from 1 to 255 rings NOTE The range of allowable values may be restrict...

Страница 88: ...n can be disabled and the modem ignores all busy tones The AT commands for Disable are X0 X1 and X2 The AT commands for Enable are X3 X4 X5 X6 and X7 Pause Time 2sec Nxt 2sec 4sec 6sec 8sec 10sec 20se...

Страница 89: ...rrent Disconnect Determines the modem s response to short interruptions of line current The loss of line current is one method of disconnecting a call H Enable 8 millisecond Disconnects the modems if...

Страница 90: ...transmitted and received within a specified amount of time H Disable Modem remains connected despite the lack of data flow H 10 30 60 min Modem disconnects if data is not received and transmitted with...

Страница 91: ...normally keeps DTR ON and turns DTR OFF when the DTE cannot accept a call NOTE This configuration option should only be used when the modem is located behind a user s Private Branch Exchange PBX For 3...

Страница 92: ...on option determines the modem s data rate and modulation scheme for operation on dial lines Online changes do not take effect until a disconnect occurs NOTE Certain changes to this configuration opti...

Страница 93: ...ata rate the line can support This autorating only occurs between 19 200 bps and 4800 bps during V 32 V 32bis V 32 terbo connections H Start at 48 and Start at 96 Set the maximum connect rate for V 32...

Страница 94: ...AT command for Disable is G0 The AT command for 550 Hz is G1 The AT command for 1800 Hz is G2 V32bis Train Long End Long Short This configuration option only appears when Dial Line Rate is configured...

Страница 95: ...eased Line Configuration Options Leased Mode 4WLL Ans Nxt 4WLL Ans 4WLL Orig 2WLL Orig 2WLL Ans Leased Mode Sets the modem for either 2 wire or 4 wire operation in Answer mode receiving a call or 2 wi...

Страница 96: ...ibutaries at 14 4 or 9 6 kbps control at 9 6 kbps tributaries at 9 6 or 7 2 kbps control at 7 2 kbps tributaries at 7 2 or 4 8 kbps control at 4 8 kbps tributaries at 4 8 or 2 4 kbps control at 2 4 kb...

Страница 97: ...power level over leased lines The transmit output level can be selected in 1 dBm decrements from 0 dBm to 15 dBm NOTE The leased TX level is limited to 1 dBm in all countries except North America The...

Страница 98: ...gured for Originate mode or if Automatic Dial Standby is configured for Adv15min Adv30min Adv1hr or TestAdv 2min Special Standby Used to support Automatic Dial Standby configurations when a third mode...

Страница 99: ...command is S Register S93 n where n is 0 for Enable and 1 for Disable V29 Link Config PointToPoint Nxt PointToPoint Multipoint This configuration option is only available if Leased Line Rate is config...

Страница 100: ...Leased Line device option is installed Backup Line Check Tests the backup circuit for availability while the modem is operating on the primary leased lines The test involves detecting line energy acr...

Страница 101: ...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 H MNP or Disconnect Modem attempts to connect in MNP mode If t...

Страница 102: ...ed for V42 MNPorBfr or V42 MNPorDsc V 42bis Data Compression Enables or disables V 42bis data compression H Enable Data compression operates in both the transmit and receive directions This is the rec...

Страница 103: ...However when the modem receives an error control fallback character it switches to Buffer mode Refer to the EC Fallback Char configuration option The AT command for Disable is C0 The AT command for E...

Страница 104: ...p the flow of data The AT commands for Disable are Q0 Q5 and Q6 The AT commands for XON XOFF are Q1 and Q4 The AT commands for CTS to DTE are Q2 and Q3 Flw Cntl of Mdm RTS_to_Mdm Nxt RTS_to_Mdm Disabl...

Страница 105: ...trol Mode is configured for V42 MNPorBfr MNP_or_Buffr LAPM_or_Bufr or BufferMode 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...

Страница 106: ...E Dialer configuration options group is enabled The AT commands for Discard Data are K0 and K1 The AT commands for Keep Data are K2 K3 K4 and K5 Send Break Cntl Data_First End Data_First Break_First T...

Страница 107: ...s Max Frame Size 256 Nxt 256 192 128 64 32 16 This configuration option is only available if Async Sync Mode is configured for Async and Error Control Mode is not configured for BufferMode or DirectMo...

Страница 108: ...emote loopback An Abort command or test timeout ends this test This configuration option is not available if the LeasedLine Rate is configured for TMp H Enable The DTE forces the modem into remote loo...

Страница 109: ...ocal analog loopback This type of addressing is recommended for use in extended data circuits tail circuits H Disable This is used for normal point to point leased line and dial networks H Address Val...

Страница 110: ...e Active Operating configuration area which controls modem operation is reloaded from the Active Saved configuration area when a disconnect occurs This is useful in modem pooling applications where it...

Страница 111: ...emote 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...

Страница 112: ...ct Progress 1 for Disable 2 for Call Connect Only and 3 for Call Progress Only NetworkPosition Tributary End Tributary Control Network Position Identification Each modem must be identified either as a...

Страница 113: ...o Nxt No Yes This configuration option is only available if the LeasedLine Rate is configured for TMp Control Mixed Tributary Firmware Establishes that a multipoint network has TMp tributary modems us...

Страница 114: ...COMSPHERE 3900 Series Modems 5 52 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 115: ...anch of the Top Level menu allows you to identify downstream modems in order to support health and status polling and download broadcasting The maximum number of devices is 16 on the secondary channel...

Страница 116: ...ration option Over a diagnostic channel a tributary modem can communicate with control modems by using the control modem s network management address for polling functions In the poll list modems may...

Страница 117: ...e Top Level menu press the key Clear The Clear function does not appear in Remote mode Clear deletes the modem s poll list To access Clear from the PList branch make the following selection F1 Poll Li...

Страница 118: ...sor _ under the digit that will be incremented Press the F2 key to increment the digit Press Enter Ent to implement the function yyyyyy you selected Active Delete or Skip The message Command Complete...

Страница 119: ...dd Command Complete F2 F3 The message Command Complete appears on the LCD to indicate that the tributary modem will be added to the control modem s poll list To exit this function and remain in the PL...

Страница 120: ...3 The address field xxx increments sequentially from 001 to 256 as polls are transmitted from the modem to the downstream modem s To be added to the modem s poll list the device must respond to a poll...

Страница 121: ...nd software functions such as speaker volume reset busy out and firmware download Control Status Status Configure PList Test SubHS Call_Setup Tlk Data Security Remote Speaker Reset Data_Stream Make_Bu...

Страница 122: ...gs refer to Misc in Chapter 5 DCP Configuration To access Speaker from the Control branch make the following selection F1 Control Speaker Reset F2 F3 Select Speaker F1 Speaker Control Off Low Med F2 F...

Страница 123: ...ears momentarily before the modem performs the power up diagnostic test sequence Data Stream The Data Stream function is not available in Async mode Use Data Stream to enable or disable the modem s da...

Страница 124: ...front panel EIA LEDs to display the activity of a selected digital interface To access EIA LEDs from the Control branch make the following selections F1 Control EIA_LEDs F2 F3 Press the key until EIA...

Страница 125: ...entire EIA LEDs branch is masked Make Busy Remove Make Busy The Make Busy function forces the modem off hook so it cannot answer a call This is often used with PBX systems to permit the busy out of a...

Страница 126: ...ector of one Network Interface Module NIM to the service line of another NIM installed in the same carrier you can permit all 16 modems to share one service line The service line can also be extended...

Страница 127: ...LCD is To Local via DTE This function permits firmware upgrades to be transferred to a 391x Series modem This type of download requires a locally attached PC controller to be connected to the modem s...

Страница 128: ...h follows the descriptions of multipoint cloning operations Clone Remote in Broadcast Configurations A tributary modem configured for extended diagnostics Diagnostic Connection configuration option se...

Страница 129: ...the network management address of one of the remote modems Pressing the F1 key allows you to select various remote modems to determine the download result for those modems Pass or Fail Clone Remote in...

Страница 130: ...th and Status Branch Cloning a Single TMp Remote F1 Choose DLL Type Single Multiple F2 F3 Press the F1 key to select Single Clone Remote F1 Choose Address Ent xxx F2 F3 The address field xxx displays...

Страница 131: ...tiple TMp Clone Results F1 Choose DLL Type MPtCloneResults F2 F3 From the Choose DLL Type screen press the key until the MPtCloneResults screen appears to view the results of the last multiple TMp clo...

Страница 132: ...lecting any function key This returns the modem to the DwnLoadSoftware menu However to continue with the transfer press the key to display the Reprogram_Remote selection F1 Warning Download Reprogram_...

Страница 133: ...le download applications if the download is successful the local modem displays Remote Clone OK and the remote modem displays Frmware Upgrade If the download took place over the dial network the modem...

Страница 134: ...ng and saving a VF threshold is similar to editing and saving a configuration option For another example of editing and saving refer to Editing and Saving a Configuration Option in Chapter 5 DCP Confi...

Страница 135: ...10 F2 F3 Press the key to scroll up to the Edit Save screen F1 VF Thresholds Edit Save Reset F2 F3 Select Save If the edited VF thresholds are valid the Save command stores them into nonvolatile memor...

Страница 136: ...exit this function and remain in the Control branch press the key To exit and return to the Top Level menu press the key Table 7 1 Valid Ranges for VF Thresholds VF Thresholds Valid Ranges Default Va...

Страница 137: ...k Rem Digital Loop Remote Digital Loopback Loc Digital Loop Local Digital Loopback and Pattern The only tests that can operate concurrently on a single modem are Pattern with a Local Analog Loopback a...

Страница 138: ...gs the modem back to the normal mode of operation Confirmation is provided by the Command Complete message To access Abort from the Test branch make the following selection F1 Test Abort Self F2 F3 Se...

Страница 139: ...nd DCP status indicators light NOTE For tributary modems only the test is delayed 30 seconds to allow any outstanding network management messages to propagate upstream before the VF channel is interru...

Страница 140: ...t mode to perform this test otherwise Invalid Command appears Figure 8 1 Local Analog Loopback To access Loc Analog Loop from the Test branch make the following selections F1 Test Loc_Analog_Loop F2 F...

Страница 141: ...errors To exit this function and remain in the Test branch press the key To exit and return to the Top Level menu press the key Rem Digital Loop This test is not available when using TMp modulation o...

Страница 142: ...n the Test Timeout configuration option refer to Test in Chapter 5 DCP Configuration To exit this function and remain in the Test branch press the key To exit and return to the Top Level menu press th...

Страница 143: ...d For more information on the Test Timeout configuration option refer to Test in Chapter 5 DCP Configuration To exit this function and remain in the Test branch press the key To exit and return to the...

Страница 144: ...Pattern Test and Digital Loopback Test Figure 8 6 End to End Pattern Test To access Pattern from the Test branch make the following selections F1 Test Pattern F2 F3 Press the key until Pattern appear...

Страница 145: ...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 counti...

Страница 146: ...COMSPHERE 3900 Series Modems 8 10 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 147: ...ary modems or with certain modulations V 29 V 33 V 22bis and V 27bis The SubHS branch of the Top Level menu allows you to display alarm conditions in downstream modems Status SubHS Status Configure Pl...

Страница 148: ...sage is updated every several seconds to display the latest status MAJOR MINOR and STATUS display Health and Status alarm conditions refer to Table 4 1 in the Device Health and Status DeviceHS section...

Страница 149: ...e backup facility instead of the normal 2 wire dial line Plug the leased line into the jack labeled DIAL on the rear panel of the modem and enable the Dual_Leased_Ln configuration option Refer to Leas...

Страница 150: ...e 10 6 for information on storing telephone numbers in directory locations For leased backup applications Dial allows you to switch to the backup leased line Any directory location may be used The rem...

Страница 151: ...Chapter 3 DCP Operation Disconnect For dial backup applications use this function when you want to disconnect an established call on a dial line For leased backup applications use this function to sw...

Страница 152: ...tion For leased backup applications Answer allows the modem to begin the handshaking process with the remote modem To access Answer from the Call Setup branch make the following selections F1 Call Set...

Страница 153: ...problem occurs on the primary leased line the modems establish a connection over the backup network F1 Call Setup Dial Standby F2 F3 When this occurs Dial Standby appears on the LCD in the Call Setup...

Страница 154: ...forces the modem to the backup network and the LCD displays the status message Command Complete Change Directory Change Directory allows you to enter or modify telephone numbers The modem has nonvola...

Страница 155: ...hange an existing telephone number in any of the 24 directory locations follow the same procedures To add a telephone number to a directory location make the following selections F1 02 z Nxt F2 F3 Sel...

Страница 156: ...Line Dialer configuration option group or by the value held in S Register S8 W Wait for tone dial The modem waits for a second dial tone before processing the dial string This can be the initial dial...

Страница 157: ...ation can be No Number The directory location is empty Allowed The number in this directory location may be dialed at this time Delayed The number in this directory location may be dialed later Forbid...

Страница 158: ...COMSPHERE 3900 Series Modems 10 10 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 159: ...cable to connect the phone line to both the modem and the telephone refer to Appendix C Pin Assignments This cable is not supplied with your modem On initial power up the modem is in Talk mode When i...

Страница 160: ...sing a telephone and the remote modem is configured for Auto Answer perform the following procedure F1 Idle 19 2 Tlk Data F2 F3 Press the key until Tlk Data appears Lift the attached handset and dial...

Страница 161: ...t both decide when to place the modems into Data mode You must both select Tlk Data at approximately the same time and hang up the handset to begin the handshaking sequence If the handshake is success...

Страница 162: ...COMSPHERE 3900 Series Modems 11 4 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 163: ...e advantage of this security feature you must create a database of passwords which are stored in the modem s nonvolatile memory The Model 3910 can store a maximum of 20 passwords while the Model 3911...

Страница 164: ...DTE side password entry or a combination of both VF Side Passwords VF side password entry occurs between modems prior to connecting Once the VF side password is entered no other user intervention is r...

Страница 165: ...r s modem DTE Side Passwords DTE side password entry requires the originating user to supply a valid password via the DTE This method of password entry occurs after the modems training sequence but be...

Страница 166: ...sword access Most of the functions within this branch are protected by an Administrative Password Once the correct password is entered these security functions display on the modem s LCD The two major...

Страница 167: ...e entered every time you access the Security branch This feature ships from the factory with the Administrative Password set to 00000000 Once the correct Administrative Password is entered the Edit Pa...

Страница 168: ...ecord A password s record is retrieved by entering its index The Edit Password Table group allows you to view and or change the modem s security database table To do this you must retrieve a password...

Страница 169: ...el menu If changes have been made and the or key is pressed then Save Edit appears on the LCD Table 12 1 describes the settings of the Edit Table Password group options Table 12 1 1 of 2 Edit Password...

Страница 170: ...figured for Cleared Edit Password Allows the password associated with this index to be changed H xxxx Indicates the current index location value H yyyyyyyy Indicates the current password value for thi...

Страница 171: ...function H No Answer Security Disables the dial access security feature H DTE Only The answering modem is enabled for security The originating user must supply a password when prompted NOTE A call att...

Страница 172: ...y group option 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...

Страница 173: ...by selecting Reset Security This restores the password to a known value but erases the contents of the modem s security database To change the Administrative Password make the following selections F1...

Страница 174: ...se table To Reset Security make the following selections F1 Security Reset_Security F2 F3 From the Security branch press until Reset_Security appears Select Reset_Security F1 Reset Security Abort_Sec_...

Страница 175: ...dem requests a valid password from the originating modem for the valid password This configuration option is only used for VF side password entry and is not valid for DTE side password entry H 2nd Dia...

Страница 176: ...e The remote user is prompted for a User ID once the handshaking and error control negotiation if applicable are complete There is no equivalent AT command NMS_Reporting 00 Nxt 00 This configuration o...

Страница 177: ...d with the DTE_Only or VF_ _DTE settings Originate_Secur No_OrigSec End No_OrigSec Ena_Orig_Sec Originate Security Mode This configuration option is read only and cannot be changed from the Configurat...

Страница 178: ...W12345678 or ATDP5551234T 12345678 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...

Страница 179: ...control panel DCP The following example describes how to enter an Originate Access security password TYPE ATD abc123 T9 8005551234 PRESS Enter Where ATD is the AT dial command T is the Tone DTMF dial...

Страница 180: ...AT command dial string Table 12 5 Security Database Table Using VF Side Passwords VF Password Only Index Password Type Assigned to 21 1 VF_Entry Denver office 31 12 VF_Entry Chicago office 41 1212 VF...

Страница 181: ...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 Dallas office...

Страница 182: ...COMSPHERE 3900 Series Modems 12 20 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 183: ...Access Security To clear the dial access security alarm light from the modem s front panel do the following 3 Press the key to return to the Top Level menu 4 Press F1 to access the Status branch 5 Pr...

Страница 184: ...COMSPHERE 3900 Series Modems 12 22 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 185: ...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 32terbo V 32bis V 32 TMp V 3...

Страница 186: ...ue to the higher data rate but it also interrupts data flow because primary data is stopped when Remote mode is active Once Remote mode is terminated the primary channel is automatically made availabl...

Страница 187: ...ement the digit Press Enter Ent to select the modem that will be accessed by the Remote function For Trellis Multipoint TMp modems control or tributary you must specify the remote access password of t...

Страница 188: ...up ExitRe m The Top Level menu of the remote 391x Series modem is similar to the local 391x Series modem with the following exceptions The Talk Data and Security branches do not appear Change Director...

Страница 189: ...wanted knowledge of the DCP security access selections Use the DCP security access function to lock the DCP of any 391x Series modem and prevent unwanted user access Two options are available for this...

Страница 190: ...COMSPHERE 3900 Series Modems 13 6 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 191: ...eived 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 Co...

Страница 192: ...will not recognize mixed case prefixes At or aT Commands can be entered one at a time or in strings Strings can have up to 40 characters after the AT prefix You can use spaces hyphens and parentheses...

Страница 193: ...0 bps 16 15 CONNECT 7200 Connection at 7200 bps 17 17 CONNECT 16800 Connection at 16 800 bps 19 19 CONNECT 300 Connection at 300 bps 20 10 CONNECT 2400 EC Connection at 2400 bps with error control 21...

Страница 194: ...s AT Command List AT commands are issued from an asynchronous DTE such as a PC and control the modem s operation and software configuration AT commands are only applicable when the DTE Dialer Type con...

Страница 195: ...led in Pulse Dial mode NOTE Once a dialing method tone or pulse has been specified it will only remain active until the end of that dial string The modem defaults to the value set by the Dialer Type c...

Страница 196: ...string can be included to enhance readability DS n Dial Stored Number Dials the number stored in Location n 1 24 To store a telephone number refer to the Zn x command Call Setup Dial Dial Directory En...

Страница 197: ...sables modem from sending result codes to the DTE Q2 Enables in Originate mode only for modem to send result codes to the DTE Required for most UNIX applications Configure Edit DTE Dialer Sn r Change...

Страница 198: ...gure Edit Line Dialer Extended Result Code Enable Displays all result codes listed in Table 14 1 except for error control suffix Disable Only displays OK CONNECT RING NO CARRIER ERROR ERROR Add EC Dis...

Страница 199: ...s DTR State of LSD follows state of DTR C4 Simulated Control Carrier State of LSD follows state of remote modem s RTS C5 DTR Disconnect Off State of LSD follows state of DTR except upon a disconnect w...

Страница 200: ...trol panel DCP Configure Factory Gn V 22bis Guard Tone G0 Disable G1 550 Hz G2 1800 Hz Configure Edit Dial Line NOTE The V 22bis Guard Tone cannot be disabled in some countries In Dial Transmit Level...

Страница 201: ...of AT commands and force the modem into Dumb mode The only way to gain control of the modem is via the DCP Rn RTS Action R0 Standard RS232 R1 Ignores RTS R2 Simulated Control Carrier R3 Control Carrie...

Страница 202: ...Source X0 Internal Modem provides transmit clock source for synchronous data Pin 15 X1 External Modem derives external transmit clock source provided on Pin 24 for synchronous data X2 Receive Clock L...

Страница 203: ...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 Da...

Страница 204: ...e H3 Enable Configure Edit V42 MNP Buffer S Register List S Registers affect the operating parameters of the 391x Series modems S Registers are only applicable when the DTE Dialer Type configuration o...

Страница 205: ...er of rings to count before answering The factory setting is 1 Configure Edit Line Dialer S2 AT Escape Character Register determines ASCII value used for escape sequence to enter Command mode from Dat...

Страница 206: ...Disconnect1 Register determines how long in tenths of seconds the modem allows the carrier signal to be OFF before disconnecting the call Enter a value from 0 254 in 0 1 second increments A value of...

Страница 207: ...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 Register has the following values 1 14 400 V 32bis...

Страница 208: ...0 V 27bis 18 19 200 V 32terbo 19 16 800 V 32terbo 20 19 200 TMp 21 14 400 TMp 22 9600 TMp 23 7200 TMp 24 4800 TMp 25 2400 TMp The factory setting is 19200 V 32terbo Configure Edit Leased Line S45 Leas...

Страница 209: ...usually 43 dBm In France the factory setting is 26 dBm in 4 wire operation and 33 dBm in 2 wire operation Configure Edit Leased Line S49 Buffer Disconnect Delay Register determines how long the modem...

Страница 210: ...remote modem Register has the following values 0 Enable 1 Disable The factory setting is Enable Configure Edit Misc S56 Remote Access Password Register allows entry of the first pair leftmost of digit...

Страница 211: ...coding used by the DTE while in V 25bis mode Register has the following values 0 ASCII 1 EBCDIC The factory setting is ASCII Configure Edit DTE Dialer S63 V 25bis Idle Character Register identifies t...

Страница 212: ...termines if the modem uses the single number callback function Register has the following values 0 Disable 1 Enable The factory setting is Disable Configure Edit Misc S69 Make Busy Via DTR Register de...

Страница 213: ...utary Configure Edit Misc S75 Network Management Address Register determines the modem s network address This address is used when accessing the modem from the 6700 Series NMS Enter a value from 0 net...

Страница 214: ...s the following values 0 Normal 1 No ERROR 2 No Strap or ERROR The factory setting is Normal Configure Edit DTE Dialer S85 Fast Disconnect Register allows the modem to disconnect immediately after rec...

Страница 215: ...rror control If the modem is configured for Direct mode MNP mode Buffer mode or Synchronous operation this command is invalid This command does not have a front panel equivalent S90 DTE Rate VF Regist...

Страница 216: ...PointToPoint 1 Multipoint The factory setting is PointToPoint Configure Edit Leased S95 Trellis Multipoint TMp Train Time Defines the length of time energy is sent from the tributary modem to the cont...

Страница 217: ...Size Register limits the modem s buffer size to a maximum of 20 characters Register has the following values 0 Disable 1 Enable The factory setting is Disable Configure Edit V42 MNP Buffer S98 Specia...

Страница 218: ...COMSPHERE 3900 Series Modems 14 28 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 219: ...A 1 3910 A2 GN32 40 September 1998 Menu Tree Overview Pages A 2 and A 3 provide a menu tree for the 391x Series modems A...

Страница 220: ...Type DialTone Detect 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 MakeBusyVia DTR Dial_Line Dia...

Страница 221: ...mode Self Loc_Digital_Loop and Pattern appear if the secondary channel is used Rem_Digital_Loop does not appear in TMp mode Does not appear if configured for Synchronous mode Some choices within this...

Страница 222: ...COMSPHERE 3900 Series Modems A 4 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 223: ...dem Health Symptom Action The modem did not pass the power up self test Contact your service representative The power LED does not light or the LCD does not display information Make sure the modem s O...

Страница 224: ...d 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 Table B 3 Dial Backup Operation Symptom Action The dial back...

Страница 225: ...on option is enabled Refer to DTE Dialer in Chapter 5 DCP Configuration Reload the Async Dial factory configuration area to guarantee that all configuration options are returned to their proper settin...

Страница 226: ...ttached to the correct connectors on the rear of the modem The modem goes off hook answers but does not connect Perform a Local Analog Loopback test and verify that data entered at the DTE is echoed b...

Страница 227: ...If the modem is operating behind a PBX determine if a 9 and comma are needed before the telephone number Verify whether Tone or Pulse dialing is needed Verify that both modems are configured the same...

Страница 228: ...ambled Verify that the character format data bits parity and stop bits is set to the same value in both modems Data is missing during a transfer Verify that you are using the same method of flow contr...

Страница 229: ...C 1 3910 A2 GN32 40 September 1998 Pin Assignments Overview This appendix lists EIA 232 D and VF TELCO pin assignments and provides information about auxiliary cables which are not supplied C...

Страница 230: ...d 8 LSD CF 109 DCE Line Signal Detect 9 12V Reserved for test purposes may be used to drive one RS 232 load 10 12V Reserved for test purposes may be used to drive one RS 232 load 11 Unassigned 12 CT11...

Страница 231: ...0 modular jacks as well as the pin assignments for the TELCO jacks See Figure C 1 Table C 2 VF Connector Pin Assignments Type of Telco Jack Pin Leased Dial RJ11 JM8 6 Pin Leased 1 4 Wire TX 2 Wire TX...

Страница 232: ...98 3910 A2 GN32 40 Auxiliary Cables Not Supplied To add an external telephone to your modem use an external Y cable to connect the phone line to both the modem and the telephone Figure C 2 Figure C 2...

Страница 233: ...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 Technic...

Страница 234: ...a 25 pin crossover cable Figure C 4 1 2 3 4 5 6 7 8 25 POSITION PLUG PIN NO 25 POSITION PLUG PIN NO 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Страница 235: ...cuss those V 25bis commands supported by the 391x Series modems and the response to those commands Tables D 1 and D 2 list the V 25bis commands and response messages NOTE The 391x Series modem must be...

Страница 236: ...TONE and ERROR The CFI response format is CFIxx Where xx is ET is Engaged tone NS is Number not stored CB is Local DCE busy RT is Time out on ring tone AB is Abort call on time out NT is Answer tone n...

Страница 237: ...disable the modem from answering the call INC is similar to the AT result code RING Disregard Incoming Call DIC The DIC command prevents the modem from answering an incoming call This command is only...

Страница 238: ...ry location The RLD command format is RLD Request List of Forbidden Numbers RLF The Request List of Forbidden Numbers RLF command displays telephone numbers that are forbidden as a result of failed ca...

Страница 239: ...telephone number List Stored Numbers 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 that location appears If no...

Страница 240: ...Series modems Table D 1 V 25bis Commands V 25bis Command Description AT Command S Register Equivalent Call Request Commands CRN Call Request with Number Provided ATD CRS Call Request with Memory Addr...

Страница 241: ...upported by the 391x Series modems Table D 2 V 25bis Response Messages V 25bis Command Description AT Command Result Code Equivalent Call Response CFI Call Failure Indication BUSY NO ANSWER NO CARRIER...

Страница 242: ...COMSPHERE 3900 Series Modems D 8 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 243: ...NUL CTRL 01 001 SCH CTRL A 02 002 STX CTRL B 03 003 EXT CTRL C 04 004 EOT CTRL D 05 005 ENQ CTRL E 06 006 ACK CTRL F 07 007 BEL CTRL G 08 008 BS CTRL H 09 009 HT CTRL I 0A 010 LF CTRL J 0B 011 VT CTRL...

Страница 244: ...I Value 19 025 EM CTRL Y 1A 026 SUM CTRL Z 1B 027 ESC CTRL 1C 028 FS CTRL 1D 029 GS CTRL 1E 030 RS CTRL Ax 1F 031 US CTRL _ 20 032 spacebar 21 033 22 034 23 035 24 036 25 037 26 038 27 039 28 040 29 0...

Страница 245: ...aracter Decimal ASCII Value 3D 061 3E 062 3F 063 40 064 41 065 A 42 066 B 43 067 C 44 068 D 45 069 E 46 070 F 47 071 G 48 072 H 49 073 I 4A 074 J 4B 075 K 4C 076 L 4D 077 M 4E 078 N 4F 079 50 080 P 51...

Страница 246: ...e Key Control Character Decimal ASCII Value 61 097 a 62 098 b 63 099 c 64 100 d 65 101 e 66 102 f 67 103 g 68 104 h 69 105 i 6A 106 j 6B 107 k 6C 108 l 6D 109 m 6E 110 n 6F 111 o 70 112 p 71 113 q 72...

Страница 247: ...tion Options Overview Table F 1 lists all default configuration options for the factory preset configurations An N A indicates that the value for this configuration option does not appear on the LCD w...

Страница 248: ...andard RS232 Ignore N A Trib or Ignore Control Ignore Ignore Standard RS232 RTS Antistream N A N A 10 sec Trib or N A Control N A N A N A CTS Control Standard RS232 Forced On Standard RS232 Forced On...

Страница 249: ...ec 1 sec N A Break Forces Escape N A Disable N A Disable Disable N A Command Character Echo N A Enable N A Enable Enable N A Carriage Return Character N A 013 ASCII N A 013 ASCII 013 ASCII N A Backspa...

Страница 250: ...le Enable Enable Enable Enable Disable No Carrier Disconnect1 2 sec 2 sec 2 sec 2 sec 2 sec 2 sec No Data Disconnect1 Disable Disable Disable Disable Disable Disable Auto Make Busy 3911 only Disable D...

Страница 251: ...N A N A N A Leased Transmit Level1 3 0 dBm 0 dBm 0 dBm N A N A N A Auto Dial Backup Disable Disable Disable N A N A N A Auto Dial Standby Disable Disable Disable N A N A N A Special Standby Disable D...

Страница 252: ...N A CTS_to_DTE CTS_to_DTE N A Flow Control of Modem N A RTS_to_Modem N A RTS_to_Modem RTS_to_Modem N A XON XOFF Passthrough N A N A N A N A N A N A Modem to Mode m Flow Control N A Disable N A Disabl...

Страница 253: ...Enable Remote Access Password2 4 00000000 00000000 00000000 00000000 00000000 00000000 Directory Location No 1 Callback Disable Disable Disable Disable Disable Disable NMS Call Messages2 4 Call Conne...

Страница 254: ...cter 013 ASCII 013 ASCII 013 ASCII 013 ASCII 013 ASCII 013 ASCII DTE Password Backspace Character 008 ASCII 008 ASCII 008 ASCII 008 ASCII 008 ASCII 008 ASCII Get User ID Disable Disable Disable Disabl...

Страница 255: ...40 September 1998 Sample Configurations Overview This appendix provides diagrams of sample configurations for the 391x Series modems Following each diagram the appropriate configuration options and ca...

Страница 256: ...Point to Point Configuration Options 3910 A Use Sync Leased Answer default configuration options 3910 B Use Sync Leased Originate default configuration options Cables Cable 1 Use a standard customer s...

Страница 257: ...at 2 4 kbps tributaries at 2 4 kbps Tributary rates will never exceed control rates If tributary and control rates are equal reducing the control rate will automatically reduce the tributary rate Cabl...

Страница 258: ...guration options with the following exception Auto Dial Back Set to Enable 3910 B Use Sync Leased Originate default configuration options with the following exception Auto Dial Back Set to Enable Cabl...

Страница 259: ...Sync Leased Answer default configuration options 3910 B Use Sync Leased Originate default configuration options Cables Cable 1 Use a standard customer supplied EIA 232 D V 24 cable with a DB 25 P plu...

Страница 260: ...s 3911 Use Sync Leased Answer default configuration options 3910 Use Sync Leased Originate default configuration options Cables Cable 1 Use a standard customer supplied EIA 232 D V 24 cable with a DB...

Страница 261: ...e 2 Leased 19200 V32t 19200 V32t TX TX Cable 1 Cable 1 Cable 1 4800 4800 4800 4800 Cable 1 Cable 1 Cable 1 Cable 5 4800 4800 4800 4800 DTE Sync DTE Sync DTE Sync DTE Sync 3920 A 3920 B 1 2 3 4 1 2 3 4...

Страница 262: ...lt configuration options with the following exceptions TX Clock Source Set to RXC_Loop LeasedLine Rate Set to 4800 TMp 3910 C Use TMp Trib default configuration options with the following exceptions T...

Страница 263: ...s with the following exception Network position Set to Control 3910 B Use Sync Leased Originate default configuration options with the following exception TX Clock Source Set to External Diagnostic Co...

Страница 264: ...Cable 2 Use part number 125 0053 1431 an 8 position 8 wire modular cord that is supplied with the modem Attach this to the connector labeled LEASED Cable 5 Use part number 818 2759 0111 or an equivale...

Страница 265: ...wire modular cord 7 foot length 125 0067 0031 8 position 8 wire modular cord 14 foot length 125 0053 1431 Universal Power Supply 327 0074 0131 3600 Hubbing Device 3600 F3 300 EIA 323 D V 24 Crossover...

Страница 266: ...COMSPHERE 3900 Series Modems H 2 September 1998 3910 A2 GN32 40 This page intentionally left blank...

Страница 267: ...factory preset configuration area containing the configuration options most often used in asynchronous dial networks Data transmission that is synchronized by a transmission start bit at the beginning...

Страница 268: ...t can be modulated by another signal that contains information to be transmitted A device that is designed for installation in a COMSPHERE 3000 Series Carrier and used at central site operations Up to...

Страница 269: ...anel The front panel of a device that continuously provides status information about the device s operation and allows an operator to manage its operation A generic term used for both the standalone a...

Страница 270: ...mmunications Commission The Board of Commissioners that regulates all electrical communications that originate in the United States Forward Error Correction A method of error control for data transmis...

Страница 271: ...ntinuous space to the opposite modem before disconnecting A diagnostic procedure that sends a test message back to its origination point Used to test various portions of a data link in order to isolat...

Страница 272: ...e diagnostic address of a control device derived from its location in the carrier its carrier and slot number A line or circuit connecting two stations A list containing the network management address...

Страница 273: ...dial networks Transmission in which the data characters and bits are transmitted at a fixed rate with transmitter and receiver synchronized This eliminates the need for start and stop bits as used in...

Страница 274: ...ed telephone lines An ITU T standard for modems operating full duplex with asynchronous or synchronous data over dial networks PSTN or leased lines at 14 400 12 000 9600 7200 or 4800 bps A modulation...

Страница 275: ...sed 1 2 2 4 10 1 status 4 7 Backup Line Check 5 38 Bell 103J 5 30 212A 5 30 Bisync 5 20 D 1 Blid Dial Pause 5 26 Break Buffer Control 5 44 Break Forces Escape 5 21 Buffer Disconnect Delay 5 45 buffer...

Страница 276: ...ct line current 5 27 long space 5 27 no carrier 5 28 no data 5 28 options reloaded after 5 48 disconnecting a call 10 3 10 7 Download Software 7 7 DSR Control 5 13 DTE connection 2 4 B 3 status 3 3 3...

Страница 277: ...8 10 remote digital 8 5 8 10 loudspeaker on off 5 48 volume 5 49 LSD Control 5 16 M Make Busy 7 5 7 7 Automatic 5 28 NIM 5 28 Via DTR 5 29 manual dial See Talk Data menu structure 3 8 quick configura...

Страница 278: ...equivalence number REN 1 5 RTS Action 5 14 Antistream 5 14 RTS CTS Delay 5 15 S S Register list 14 14 14 28 Security access messages 3 12 branch 3 8 12 4 12 12 configuration options 12 13 12 15 datab...

Страница 279: ...nts 1 5 1 6 UNIX dial 2 6 5 1 5 10 Upstream Port 5 19 V V 22bis Guard Time dial line 5 32 V 25bis coding 5 24 dialing commands and responses D 1 D 7 New Line Character 5 24 V 27bis Train Time 5 37 V 2...

Страница 280: ...COMSPHERE 3900 Series Modems Index 6 September 1998 3910 A2 GN32 40...

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