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COMSPHERE 392xPlus Modems

4-30

November 1996

3920-A2-GN31-30

Table 4-6

(3 of 3)

Miscellaneous Configuration Options — Multiport Mode

l

Diag Connection: Modem(DC)
Nxt Modem(DC) NMS(CC) Disable

This configuration option does not appear when the LeaseLine Rate is configured for TMp and NetworkPosition is
configured for Tributary.

Diagnostic Connection. Allows the configuration of the serial diagnostic port of the modem to be either a diagnostic
channel that is connected to another modem (DC), or a control channel that is connected to a network management
device (CC).

NOTE: Changes to this configuration option will cause the modem to reset.

Modem (DC) – Selects the Diagnostic Channel.

NMS(CC) – Selects the Control Channel.

Disable – Prevents messages being sent from the diagnostic port.

Link Delay(sec): 0 1
Nxt 0 1 2 5 10 20 50

Link Delay Seconds. Controls the length of time (in seconds) a modem will wait for responses from the downstream
devices. This configuration option is used to calculate protocol timers for polling and normal selection.

NOTE: The estimated roundtrip delay in the diagnostic link is entered.

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Содержание COMSPHERE 3920PLUS Series

Страница 1: ...COMSPHERE 392xPLUS MODEMS MODELS 3920PLUS AND 3921PLUS INSTALLATION AND OPERATION MANUAL Document No 3920 A2 GN31 30 November 1996...

Страница 2: ...ur 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 International call 727 530 2340 Trademarks All products a...

Страница 3: ...fied 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 responsibil...

Страница 4: ...COMSPHERE 392xPlus Modems C November 1996 3920 A2 GN31 30 Notices...

Страница 5: ...Technical Specifications 1 13 2 Modem Installation Overview 2 1 392xPlus Modem Package 2 1 Model 3920Plus Modem Installation 2 3 Connecting Cables to the Model 3920Plus Modem 2 3 Removing and Replacin...

Страница 6: ...t Mode A 4 31 5 AT Command Set and S Registers Overview 5 1 Operating Modes 5 1 Command Guidelines 5 2 AT Command List 5 5 S Register List 5 15 6 Dial Access Security Overview 6 1 Security Branch 6 4...

Страница 7: ...ttern Test and Digital Loopback Test 3 62 3 9 End to End Pattern Test 3 62 3 10 Dial Backup 3 68 4 1 DCP Configuration Process 4 2 C 1 VF Pin Orientation C 3 C 2 Wiring Diagram Y Cable for External Te...

Страница 8: ...nfiguration Options Singleport Mode 4 33 4 8 DTE Dialer Configuration Options Singleport Mode 4 41 4 9 Line Dialer Configuration Options Singleport Mode 4 46 4 10 Dial Line Configuration Options Singl...

Страница 9: ...e Page B 6 Online Operation B 5 B 7 Mux Operation B 5 C 1 EIA 232 D Pin Assignments C 2 C 2 VF Connector Pin Assignments C 3 D 1 V 25bis Commands D 6 D 2 V 25bis Response Messages D 7 E 1 ASCII Charac...

Страница 10: ...rol panel SDCP Chapter 4 provides the information required to set configuration options in the 392xPlus modems using the modem s diagnostic control panel Chapter 5 provides instructions for using AT c...

Страница 11: ...A2 GZ45 3600 Hubbing Device Feature Number 3600 F3 300 Installation Instructions 3920 A2 GK41 COMSPHERE 392xPlus Modems Models 3920Plus and 3921Plus Installation Instructions 3920 A2 GK40 COMSPHERE 3...

Страница 12: ...high as 33 600 bps Through downloading capability any 392xPlus modem is upgradable to the latest firmware requiring no new hardware investment or on site personnel with little or no downtime refer to...

Страница 13: ...ther AT commands or the DCP The DCP consists of a liquid crystal display LCD three function keys four directional keys and a row of 13 LED status indicators For a better understanding of DCP operation...

Страница 14: ...OWER SUPPLY POWER CORD 496 14684 01 LEASED Model 3920Plus Singleport and Multiport Housing Singleport Modem Back Panel Multiport Modem Back Panel POWER ON OFF DIAL DTE 1 NMS POWER IN DTE 2 DTE 3 DTE 4...

Страница 15: ...1 3 equipped with an integral time division multiplexer TDM with a modem sharing device MSD The modem installs into the COMSPHERE 3000 Series Carrier occupying two slots The modem s faceplate covers t...

Страница 16: ...OR FUTURE USE BACK CONNECTOR PLATE V 35 3600 3500 RS366A V 25 3800 EIA232 V 24 TXD RXD RTS CTS DSR DTR LSD 103 104 105 106 107 108 109 Pwr Alrm Test Dial RI Busy Serv SQ Status Front Panel 3921Plus 14...

Страница 17: ...EDGE CARD CONNECTORS PORT 3 PORT 4 PORT 1 PORT 2 3921Plus TXD RXD RTS CTS DSR DTR LSD Pwr Alrm Test Dial RI Busy Serv SQ Status Front Panel Spkr 142 125 103 104 105 106 107 108 109 1 3 2 4 Port BACK...

Страница 18: ...n the 392xPlus modem model and its selected MUX mode configuration option Table 1 1 392xPlus Operational Modes 392xPlus Modem MUX Mode Configuration Option Operational Mode Singleport n a Singleport M...

Страница 19: ...4 000 19 200 16 800 14 400 12 000 9600 7200 4800 and 2400 bps V 32 terbo 19 200 and 16 800 bps V 32bis 14 400 12 000 9600 7200 and 4800 bps V 32 9600 and 4800 bps and Trellis Multipoint TMp 19 200 14...

Страница 20: ...392xPlus multiport modems It provides the ability for dial backup of a multipoint configuration by bridging the signal on the digital side of the FEP end modems In this configuration only two ports bo...

Страница 21: ...tain DTE equipment Also each symbol rate supports a subset of data rates which make up the whole of the V 34 standard Symbol Rate Supported Data Rates 3429 4800 33 6K 3200 4800 31 2K 3000 4800 28 8K 2...

Страница 22: ...determine the quantity of devices which may be connected to the telephone line Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call In most but no...

Страница 23: ...ng an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone ex...

Страница 24: ...CITT V 22bis 2400 bps CCITT V 27bis 4800 2400 bps CCITT V 33 14 400 12 000 bps CCITT V 29 9600 7200 4800 bps Paradyne Point to Point Diagnostic 2400 bps Dial Line Modulations Paradyne V 34 33 600 31 2...

Страница 25: ...l 3920Plus 1 8 inches 4 6 cm Model 3921Plus Depth 12 1 inches 30 8 cm Model 3920Plus 13 4 inches 34 0 cm Model 3921Plus TRANSMIT LEVEL Leased Line North America 0 through 15 dBm in 1 dBm decrements Fa...

Страница 26: ...Model 3921Plus Modem 2 11 392xPlus Modem Power Up 2 11 Selecting Factory Configuration Options for 392xPlus 2 11 Using the Diagnostic Control Panel DCP 2 12 Overview This chapter provides a list of eq...

Страница 27: ...port DB 25 P connectors at one end to attach to the modem One or more of the following modular leased or dial network interfaces JM8 for leased line configurations RJ11C for dial permissive configurat...

Страница 28: ...f the Model 3920Plus modem Figure 2 1 has the following switches and connectors An ON OFF power switch An 8 pin DIN type power receptacle PWR for the dc power supply An 8 pin modular keyed jack LEASED...

Страница 29: ...IS ALSO USED FOR 2 WIRE LEASED BACKUP POWER CORD DB 25 S CONNECTORS Figure 2 1 Model 3920Plus Multiport Back Panel and Power Supply DTE Connection Use the following steps to connect an EIA 232 D cabl...

Страница 30: ...ny 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 PSTN In the...

Страница 31: ...sed line and dial modular cord s from the modem s back panel 5 Disconnect the DTE interface cable s from the modem s back panel If the modem is to be removed for service return it to the company using...

Страница 32: ...installing the modem 2 At 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...

Страница 33: ...996 3920 A2 GN31 30 3000 SERIES CARRIER MODEL 3921Plus MULTIPORT MODEM LATCH CIRCUIT CARD GUIDES 495 14708 SDU MODEL 3921Plus SINGLEPORT MODEM LATCH CIRCUIT CARD GUIDES SDU 3000 SERIES CARRIER Figure...

Страница 34: ...u have more than one carrier press the key to move the cursor to the carrier selection position 1 on the first LCD line in the following screen example F1 Carr Slot 1 01A 1 01A F2 F3 4 Press the F1 or...

Страница 35: ...til it covers the faceplate latch Figure 2 4 and tighten the retention screw on the circuit pack lock This prevents the modem from accidently being removed once it is installed in a carrier 7 Configur...

Страница 36: ...menu screen F1 Power On Selftst Passed F2 F3 If a failure occurs during the self test the LCD displays Power On Selftst Failed for several seconds The LCD then displays the Top Level menu screen with...

Страница 37: ...sed or Async Leased is selected you must choose either Answer or Originate mode If TMp is selected you must choose either Control or Trib Tributary mode 3 Press the key until the appropriate factory p...

Страница 38: ...s 3 21 Clearing VF Counters 3 22 Identity 3 23 DTE 3 24 V 34 3 25 Backup 3 26 Options 3 28 Record 3 28 Service Log 3 29 Configure Branch 3 30 Poll List Branch 3 30 Display 3 31 Clear 3 32 Change 3 32...

Страница 39: ...h 3 76 Diagnostic Control Panel Access 3 80 Overview This chapter describes how to use the diagnostic control panel DCP of the 392xPlus modem It also describes how to select and use each branch of the...

Страница 40: ...status indicators that monitor the operation of the modem After the SDCP is connected to the modem the Front Panel indicator of the selected modem lights to show that the modem is connected Status In...

Страница 41: ...TS CTS DSR DTR LSD Pwr Alrm Test Dial RI Busy Serv SQ Status Front Panel Spkr 142 125 103 104 105 106 107 108 109 3921Plus SINGLEPORT MULTIPORT Select SDU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 COMSPH...

Страница 42: ...ot involved in a test or firmware upgrade Dial yellow Flashing The modem is attempting to establish a call over the dial network or the modem is in Dial Standby mode ON The modem has established a dia...

Страница 43: ...e mux ports 1 2 3 or 4 or the Network Management System NMS diagnostic interface 3920Plus only For example when the selected port is Port 1 of the mux the EIA indicators for TXD RXD RTS CTS DSR DTR an...

Страница 44: ...mation is available on the LCD than what is currently displayed a hidden choice indicator or appears in the upper right hand corner of the LCD Use the or key to scroll in the indicated direction to di...

Страница 45: ...Keypad The DCP on the Model 3920Plus has seven keys while the optional SDCP of the COMSPHERE 3000 Series Carrier has eight keys The additional key on the carrier is the Select key used to connect the...

Страница 46: ...tion keys select the choice Select Key Model 3921Plus only The Select key appears on the optional SDCP of the COMSPHERE 3000 Series Carrier It is used to connect the SDCP to a modem in a specific slot...

Страница 47: ...larm conditions in downstream modems Call Setup Used to dial disconnect and answer telephone calls as well as store up to 24 telephone numbers in directory locations Talk Data Used to switch the modem...

Страница 48: ...ining The modem is training or retraining EC Negotiating The local and remote modems are negotiating the highest possible level of error control compatible between both modems Once a level is selected...

Страница 49: ...No Dial Tone The modem has aborted the call because it cannot detect a dial tone No Quiet Answer The modem has detected No Quiet Answer before the time out setting of the No Answer Disconnect configu...

Страница 50: ...sc The modem has 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...

Страница 51: ...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 fr...

Страница 52: ...nformation appears on the LCD s bottom line To access the Quick Configuration display from the Top Level display press the key Based on the configuration of the modem one of two screens appear If the...

Страница 53: ...ates Port 3 when TDM MSD is enabled M4 indicates Port 4 when TDM MSD is enabled B1 indicates Port 1 when DTE Bridge is enabled B2 indicates Port 2 when DTE Bridge is enabled ffff Displays the modem s...

Страница 54: ...ions Record Major Minor Status Dial Thresh Security Port1 Port2 Port3 Port4 SigQual RcvLevel Sig Noise NrEchLvl FarEchLv FarEchDel EchoFreqOff Phase Hts Impul Hts DropOuts Retrains Phas Jtr NonLinear...

Страница 55: ...ions No signal or a very poor signal is being received Streaming DTE The modem is in an antistreaming condition The RTS input to the modem was held ON for a period exceeding the time selected by the R...

Страница 56: ...tion or the Ring Tone Detection portion of the Call Test command Dial Make Busy Mode The modem is in a Make Busy condition Dial Make Busy Mode The modem is in a Make Busy condition Service Line Model...

Страница 57: ...ignal is in an alarm condition CTS Alarm The alarming DTE port s CTS signal is in an alarm condition RTS Alarm The alarming DTE port s RTS signal is in an alarm condition DSR Alarm The alarming DTE po...

Страница 58: ...for V 34 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 parameter appear...

Страница 59: ...ed every minute This parameter appears for V 32 terbo V 32bis V 32 and Trellis Multipoint modulations in 4 wire only Phas Jtr Phase Jitter is the non constant variation in the phase of the receive sig...

Страница 60: ...atus Identity Ser 00000000 F2 F3 The modem s serial number appears on the LCD s bottom line Press the key to scroll and view the model number firmware revision level hardware part number and firmware...

Страница 61: ...option is enabled This screen does not appear in Singleport mode F1 LSD DTR DSR Tst _ _ F2 F3 The activity and state of the modem s DTE signal appear on the LCD s bottom line Press the key to scroll...

Страница 62: ...hich the modem is transmitting data Possible values are 2400 4800 7200 9600 12 0 12 000 14 4 14 400 16 8 16 800 19 2 19 200 21 6 21 600 24 0 24 000 26 4 26 400 28 8 28 800 31 2 31 200 or 33 6 33 600 b...

Страница 63: ...led DIAL is the backup interface and accepts either 2 wire APL Dual Lease Line or Dial lines To access Backup from the Status branch make the following selection Press the key until Backup appears F1...

Страница 64: ...eck configuration option is disabled or not available Refer to the BackupLine Check configuration option in the Leased Line section of Chapter 4 Line Bkup 2w APL or Line Dial Backup Pri 4w APL XXXX or...

Страница 65: ...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 in conjunction with support personnel This fu...

Страница 66: ...age Modem O K appears 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 Service Log Service Log is a troubleshooting tool used...

Страница 67: ...with the Diag Connection configuration option disabled Modems using modulations that do not support the secondary channel Point to point control modems The Poll List Plist branch of the Top Level men...

Страница 68: ...ng In the poll list modems are listed as either Active or Skip Downstream modems in the Active poll list are polled by the modem Modems in the Skip poll list are passed over during the polling process...

Страница 69: ...Complete appears on the second line of the LCD to indicate that the poll list has been cleared To exit this function and remain in the PList branch press the key To exit and return to the Top Level m...

Страница 70: ...list change occurred If the message Poll List Check appears you attempted to delete an address that is not on the poll list or you attempted to add an address that is already on the poll list If the m...

Страница 71: ...NOTE If an error message OtherTestActive or Unable To Acquir appears on the second line of the LCD move up one level in the menu tree to clear the message and return to the PList Acquire branch The O...

Страница 72: ...of the Top Level menu allows you to manage hardware and software functions such as speaker volume reset busy out and firmware download Control Status Status Configure PList Test SubHS Call_Setup Tlk D...

Страница 73: ...branch make the following selection F1 Control Speaker Reset F2 F3 Select Speaker F1 Speaker Control Off Low Med F2 F3 Press the key and appropriate function keys to choose the desired selection DCP s...

Страница 74: ...Data Stream to enable or disable the modem s data transmitter function on a specific port or on all ports The Data Stream function is not available in Async mode in Singleport mode To access Data Stre...

Страница 75: ...the key to clear the message F1 Data Stream Port1 Enable F2 F3 To change the data stream for the selected port again press the F2 key or To exit this function and remain in the Control branch press th...

Страница 76: ...Refer to the Diag Connection configuration option in the Misc section of Chapter 4 The CC or DC interface is not available on the 3921Plus modem The CC or DC activity is monitored on the SDU in the 3...

Страница 77: ...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 PBX port for rotary or...

Страница 78: ...odems 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 another NIM installed in the same carr...

Страница 79: ...nting a Clone Remote operation the following is true The Clone Remote function only operates properly if the remote modems are connected to the local modem via a leased line or an established dial lin...

Страница 80: ...ion in Chapter 4 or a dial network connection using either V 34 family or V 32 family modulations refer to the Dial Line section in Chapter 4 The remote modem s Access From Remote configuration option...

Страница 81: ...section in this chapter F1 Choose DLL Type DC_Broadcast F2 F3 From the Choose DLL Type screen press the key until DC_Broadcast appears Press F1 or F2 to transfer an exact copy of the tributary modem s...

Страница 82: ...onfiguration option is enabled refer to the Misc section in Chapter 4 For Single download configurations know the remote access password and the network management address of the remote tributary mode...

Страница 83: ...n the cursor _ under the digit to be incremented Press the F2 key to increment the digit Press F1 Ent to select the modem that will receive the download F1 Choose Password Ent yyyyyyyy F2 F3 The passw...

Страница 84: ...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 clone operation If the message Trib List Empt...

Страница 85: ...he Clone Remote process is interrupted disable the mux on the source modem before you initiate another Clone Remote process Be sure to re enable the mux when cloning is complete F1 Warning Download Ab...

Страница 86: ...ice representative No Circuit There is no connection between the local and remote modem After successful establishment of a Remote Cloning Download session the following screens appear F1 RemClone Sta...

Страница 87: ...ator action When the firmware download begins the LCD displays download status messages with the data bank number current block being loaded and the total number of blocks F1 Download Status Bank1 xxx...

Страница 88: ...ollowing example the RSL High threshold is changed from 09 dBm to 10 This example demonstrates VF threshold editing and saving With the exception of Signal Quality all VF thresholds may be modified in...

Страница 89: ...Refer to Table 3 8 for valid VF threshold ranges r F1 RSL High dBm Nxt 19 F2 F3 r Press the key to move the cursor to the next position 9 Select the F2 key to change the number above the cursor 9 to 0...

Страница 90: ...reshold s is valid and the Save completes successfully Save Completed To exit this function and remain in the Control branch press the key To exit and return to the Top Level menu press the key Health...

Страница 91: ...rrors or constant format errors By the process of elimination you can usually isolate the fault in your system There are six selections under Test Abort Self Self Test Loc Analog Loop Local Analog Loo...

Страница 92: ...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 Select Ab...

Страница 93: ...LCD cells and DCP status indicators light NOTE The test delays 15 to 30 seconds to allow any outstanding network management messages to propagate before the VF channel is interrupted by the test If th...

Страница 94: ...ynchronous Direct mode to perform this test otherwise Invalid Command appears NOTE If you are performing a Local Analog Loop test on a TMp modulation that is running a test pattern with a constant flo...

Страница 95: ...efer to the Test section in Chapter 4 A Ring Indicate during this test can cause errors To exit this function and remain in the Test branch press the key To exit and return to the Top Level menu press...

Страница 96: ...appear in Singleport mode F1 Test P1 Rem Loop Started F2 F3 The message Started appears on the LCD and the Test LED lights If OtherTestActive appears on the LCD another test is in progress Select Abo...

Страница 97: ...his test to operate properly the modems must be operating at the same rate and in Synchronous or Asynchronous Direct mode NOTE A TMp tributary cannot perform a local digital loopback test Figure 3 6 L...

Страница 98: ...information on the Test Timeout configuration option refer to the Test section in Chapter 4 To exit this function and remain in the Test branch press the key To exit and return to the Top Level menu p...

Страница 99: ...GN31 30 Figure 3 8 Pattern Test and Digital Loopback Test Figure 3 9 End to End Pattern Test To access Pattern from the Test branch make the following selections F1 Test Pattern F2 F3 Press the key un...

Страница 100: ...Select Clear to reset both block counters In Singleport mode the message NoSync can appear as a value for BlksErrd while the modem s receiver is synchronizing The message OvrFlw can appear as the val...

Страница 101: ...the Top Level menu allows you to display alarm conditions in downstream modems Status SubHS Status Configure Plist Control Test Call_Setup Tlk Data Security Remote To access the SubHS branch from the...

Страница 102: ...Call Setup function is not available in TMp Control mode For dial backup applications the Call Setup branch of the Top Level menu allows you to dial disconnect and answer telephone calls For leased ba...

Страница 103: ...ocations For leased backup applications Dial allows you to switch to the backup leased line Any valid non empty directory location may be used The remote modem cannot automatically answer the simulate...

Страница 104: ...se this function when you want to disconnect an established call on a dial line For leased backup applications use this function to switch between the primary leased line and the backup leased line To...

Страница 105: ...dem goes off hook and attempts to establish a connection in Answer mode The Command Complete status message appears on the LCD To exit this function and remain in the Call Setup branch press the key T...

Страница 106: ...is operating properly you can select Disconnect from the Call Setup branch to drop the dial backup connection Also if the primary leased line operation is maintained uninterrupted amount of time spec...

Страница 107: ...e DCP Dial command must appear in a directory location NOTE If the modem is operating on leased lines and has a dial line attached for dial backup purposes it is required that directory location 1 con...

Страница 108: ...l a blank directory appears on the LCD The cursor _ always appears in the first character position Select F2 or F3 until the desired character is selected This can be an alpha or numeric character F1...

Страница 109: ...tects ringback Ringback is the ring you hear at the originating site when making a call The R modifier must be the last character in the dial string Quiet answer Wait for five seconds of silence after...

Страница 110: ...m a directory location and reentering it into another directory location will not change the delayed or forbidden condition of this number Talk Data Branch The Talk Data function is not available in T...

Страница 111: ...1 If you are originating a call using a telephone and the remote modem is configured for Auto Answer perform the following procedure F1 Idle 28 8 Tlk Data F2 F3 Press the key until Tlk Data appears Li...

Страница 112: ...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 3900 Series modem then the remote user must consult that modem s operator s...

Страница 113: ...st SubHS Call_Setup Tlk Data Security Choose Address TMp Control only Choose Password TMp only Not in TMp Trib Secondary Prim data blckd ExitRem appears instead of Remote when using Remote Mode The fo...

Страница 114: ...the error message No Trib Session appears when the function is executed To access the Remote branch make the following selections F1 Leased 28 8 Security Remote F2 F3 Press the key until Remote appear...

Страница 115: ...yy use the and keys to position the cursor _ under the digit to be incremented Press the F2 key to increment the digit Press Enter Ent to select the modem that will be accessed by the Remote function...

Страница 116: ...imary channel the Test branch does not appear Poll List Display is the only function available under the PList branch Exit Remote replaces Remote on the local modem s LCD To return to local modem oper...

Страница 117: ...e for this function Grant and Deny Grant allows any branch of the Top Level menu to be accessed from the DCP Deny only allows access to the Status branch of the Top Level menu All 392xPlus modems are...

Страница 118: ...where you view and change the configuration options These configuration options are loaded to the Edit Area from one of five configuration option areas Active Operating Active Saved Customer 1 Custom...

Страница 119: ...you a head start and only require a minimum of changes to the default settings Factory default settings are listed in Appendix F Figure 4 1 graphically displays the interaction between the edit area a...

Страница 120: ...st Control Test SubHS Call_Setup Tlk Data Security Remote Configure Ld EditArea frm Activ Operating Active Saved Customer1 Customer2 Factory Choose Function Sync_Leased Async_Leased TMp Sync_Dial UNIX...

Страница 121: ...using 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 392xPlus modem via the Re...

Страница 122: ...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 Misc F...

Страница 123: ...F2 F3 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 curs...

Страница 124: ...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 va...

Страница 125: ...de Throughout these tables two selections frequently appear on the LCD Enable and Disable Unless otherwise stated Enable selects a configuration option and makes it available for use Disable makes a c...

Страница 126: ...ay sec Multiport Mode V 42 MNP Buffer MUX MUX Mode TDM MSD DTE Bridge Tx Clock Source Bakup_TXClk_Src CT111_Rate Cntl MSD Port Control Copy From Port X To Port X or All Port 1 Port 2 Port 3 Port 4 Rat...

Страница 127: ...on the modem Refer to the Singleport Mode section in this chapter for the mux disabled configuration options DTE Bridge Enables the modem as a digital bridge for dial backup of a multipoint configurat...

Страница 128: ...CT111 Rate Control Allows the DTEs to control modem rate via Pin 23 of the EIA 232 D interface This configuration option determines the effect of the DTE Rate control signals CT111 is also known as C...

Страница 129: ...Nxt Disable 24000 19200 16800 14400 12000 9600 7200 4800 2400 1200 Rate at 24 0K When the modem rate is 28 800 bps the port rate will be as selected by this configuration option Disable 24000 or 1200...

Страница 130: ...chronous mode or Synchronous mode Async DTE Rate Sync Nxt Sync 150 300 600 1800 This configuration option only appears when Async Sync Mode is configured for Async Asynchronous DTE Data Rate Identifie...

Страница 131: ...by all DTE ports This setting is ignored if the modem is commanded to disconnect from its own front panel or by the COMSPHERE 6700 Series Network Management System DSR Control Stndrd_RS232 Nxt Stndrd_...

Страница 132: ...st to Send Antistreaming If enabled the operation of the antistreaming function is as follows If RTS is ON for a period exceeding the selected time the modem will take over control of the carrier and...

Страница 133: ...es LSD to be ON at all times Wink When Disconnect LSD is normally forced ON but can be turned OFF for 1 to 2 seconds upon a disconnect Follows DTR The state of LSD follows the state of DTR When DTR tu...

Страница 134: ...al loopback An Abort command or test time out ends this test Enable The DTE forces the modem into local loopback when the signal on Pin 18 CCITT 141 is turned ON Local loopback ends when the signal is...

Страница 135: ...is set to Disable on a port of a tributary modem test mode is not propagated for that port and primary channel data is clamped when in test mode NOTE For an extended control modem this configuration o...

Страница 136: ...r Type Tone Nxt Tone Pulse Dialer Type Selects either tone DTMF dialing or pulse rotary dialing mode NOTE Pulse Mode is disabled in Denmark and in Sweden DialTone Detect Enable Nxt Enable Disable Dial...

Страница 137: ...em which may interpret the disconnection as an error instead of a valid disconnect Line Crnt Disc Enab 8msec Nxt Enab 8msec Enab 90msec Disable This configuration option does not appear on Models 3920...

Страница 138: ...Data Disconnect Forces the modem to disconnect if no data is transmitted and received within a specified amount of time NOTE The factory default value is country dependent Disable Modem remains conne...

Страница 139: ...configuration 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 33600 28800 V34 24000 V34 19200 V34...

Страница 140: ...ndshaking sequence for both dial and 4 wire 2 wire leased line applications Long Selects long train Use this setting whenever far end frequency offset phase roll may be encountered This is usually onl...

Страница 141: ...ata rate and modulation scheme for operation on leased lines These modulation schemes are available on 2 wire or 4 wire lease 33600 28800 V 34 24000 V34 19200 V34 16800 V34 14400 V34 12000 V34 9600 V3...

Страница 142: ...on Auto Dial Back Disable Nxt Disable Enable FastBackup Automatic Dial Backup Allows the modem to dial the number stored in directory location 1 to restore communications with the remote modem when th...

Страница 143: ...s level either 26 dBm or 43 dBm LSD turns OFF When the carrier signal is greater than this level LSD turns ON Lease Lookback Disable Nxt Disable Enable Lease Lookback While operating on backup lines t...

Страница 144: ...loopback or local analog loopback This type of addressing should be used for extended data circuits tail circuits Disable This is used for normal point to point leased line and dial networks Address V...

Страница 145: ...tion after every call Speaker Control OnUntilCarr Nxt OnUntilCarr Off On Speaker Control Determines if the speaker is OFF ON until carrier signal is received by the modem or ON all the time NOTE Speak...

Страница 146: ...his 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 NOTE For 6800...

Страница 147: ...that is connected to another modem DC or a control channel that is connected to a network management device CC NOTE Changes to this configuration option will cause the modem to reset Modem DC Selects...

Страница 148: ...ranged into nine groups based on functionality DTE Interface Table 4 7 DTE Dialer Table 4 8 Line Dialer Table 4 9 Dial Line Table 4 10 Leased Line Table 4 11 V 42 MNP Buffer Table 4 12 Test Table 4 13...

Страница 149: ...p Train Time TMp TxPreemphis Lease Lookback Dual_Leased_Ln BackupLine Check Test DTE RL CT140 DTE LL CT141 Test Timeout Rcv Remote Loop V54 Address V54 Device Type Misc StrapsWhenDisc Speaker Control...

Страница 150: ...enabled and this configuration option is set to Sync then the modem operates in Async mode when offline For Async Dial Async Leased and UNIX Dial Async is the factory default The AT commands for Asyn...

Страница 151: ...he parity of the DTE must match the parity of the modem Parity options include None Even Odd Mark or Space None No parity bit is used Even Parity bit is set so that total number of 1 s in data bits pl...

Страница 152: ...mmand for Ignore is D0 The AT commands for Standard RS232 are D1 D2 or D3 The AT command for CntrlsOnHook is D4 The AT command for CntrlsTxMute is D5 DSR Control Stndrd_RS232 Nxt Stndrd_RS232 Forced_O...

Страница 153: ...TS CTS flow control is selected Control Carrier Allows the DTE s RTS signal to control the modem s carrier signal When RTS is ON carrier is present on the VF line When RTS turns OFF carrier is not pre...

Страница 154: ...ows the state of DTR When DTR turns ON CTS turns ON When DTR turns OFF CTS turns OFF Follows RTS The state of CTS follows the state of RTS When RTS turns ON CTS turns ON When RTS turns OFF CTS turns O...

Страница 155: ...Carrier DTR Disconnect OFF The state of LSD follows the state of DTR except when disconnecting once a connection is established In this instance DTR remains ON and LSD turns OFF DTR must then toggle...

Страница 156: ...ack1 Fallback2 This configuration option does not appear when V 34 is enabled for a leased or dial line CT111 Rate Control Allows the DTE to control modem rate via Pin 23 of the EIA 232 D interface Th...

Страница 157: ...to the modems downstream when test mode goes ON for that port Disable If this configuration option is set to Disable on a port of a tributary modem test mode is not propagated for that port and primar...

Страница 158: ...is 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 correct character...

Страница 159: ...where n is a value from 0 to 255 in 20 millisecond increments BreakForceEscap Disable Nxt Disable Enable This configuration option only appears when DTE Dialer Type is configured for AT Break Forces E...

Страница 160: ...for Enable in Originate mode is Q2 ExtendResltCode Enable Nxt Enable Disable Add EC Add V42 MNP Use_DTE_Rate This configuration option only appears when DTE Dialer Type is configured for AT Extended R...

Страница 161: ...d within that string will prevent the execution of subsequent valid commands No ERROR Operates similar to Normal mode however the modem does not issue an ERROR result code for invalid commands When an...

Страница 162: ...modem responds to the DTE using the same idle fill The AT command is S Register S63 n where n is 0 for Mark or 1 for Flag V25b NewLineChr CR LF End CR LF CR LF This configuration option only appears...

Страница 163: ...values may be restricted in some countries The AT command for Disable is S0 0 The 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 Select...

Страница 164: ...nts Fast Disconnect Disable Nxt Disable Enable Fast Disconnect Allows the modem to disconnect immediately after receiving a disconnect command from a local DTE or its own diagnostic control panel Disa...

Страница 165: ...carrier from the remote modem it disconnects the call This configuration option determines how long carrier is OFF before the modem disconnects Loss of carrier is one method of disconnecting a call 2...

Страница 166: ...led on the COMSPHERE 3000 Series Carrier Refer to the COMSPHERE 3000 Series Carrier Installation Manual The AT command is S Register S40 n where n is 0 for Disable and 1 for Enable MakeBusyVia DTR Dis...

Страница 167: ...300 103J 1200 75 V23 75 1200 V23 600 75 V23 75 600 V23 Dial Line Rate This configuration option determines the modem s data rate and modulation scheme for operation on dial lines Online changes do not...

Страница 168: ...to the highest data rate the line can support This autorating only occurs between 19 200 bps and 4800 bps during V 32 V 32bis and V 32 terbo connections and 33 6 and 2400 bps for the V 34 family Start...

Страница 169: ...ies handshaking sequence for both dial and 4 wire 2 wire leased line applications Long Selects long train Use this setting whenever far end frequency offset phase roll may be encountered This is usual...

Страница 170: ...n leased lines NOTE Certain changes to this configuration option will cause the modem to reset 33600 31200 28800 V34 26400 V34 24000 V34 21600 V34 19200 V34 16800 V34 14400 V34 12000 V34 9600 V34 7200...

Страница 171: ...ither 2 wire or 4 wire operation in Answer mode receiving a call or 2 wire or 4 wire operation in Originate initiating a call mode NOTE For proper operation of V 32 modulations over leased lines one m...

Страница 172: ...E In point to point applications this configuration option must be set to Enable in both the local and remote modem The answering modem must have its Auto Answer Ring Number configuration option enabl...

Страница 173: ...10min Nxt 10min 5min 1min Dial Standby Time Selects the amount of time that a dial circuit is held after returning to the leased lines CarrierOn Level 43dbm Nxt 43dbm 26dbm Carrier On Level Controls...

Страница 174: ...back While operating on backup lines this configuration option allows the modem to test the primary 4 wire leased lines for connectivity by detecting line energy across the normal line bandwidth This...

Страница 175: ...2 Link Access Procedure for Modems LAPM protocol If this fails the modem attempts to connect in MNP mode If this fails the modem connects in Buffer mode and continues operation This is also known as V...

Страница 176: ...ode is configured for Async and Error Control Mode is configured for V42 MNPorBfr V42 MNPorDsc MNP_or_Buffr or MNP_or_Disc MNP5 Compression Determines if the modem uses MNP Class 5 data compression It...

Страница 177: ...figured for DirectMode Flow Control of DTE Determines how the modem controls the flow of data from the DTE CTS to DTE Method of flow control in which the modem raises and lowers its CTS interface lead...

Страница 178: ...d flow control between the modems will happen automatically regardless of the setting of this option Disable Modem does not respond to XON and XOFF characters received over the VF line Also the modem...

Страница 179: ...ally attached DTE This also applies to the modem s receiving buffers when it is commanded to disconnect from a remote modem or DTE Disable Modem disconnects immediately without attempting to send data...

Страница 180: ...chniques to enhance V 42 operation for cellular applications It is still compatible however with modems which do not have the cellular enhancement implemented or enabled The AT command is S Register S...

Страница 181: ...le The DTE does not initiate remote loopback in response to the signal on Pin 21 The AT command is S Register S51 n where n is 0 for Disable and 1 for Enable DTE LL CT141 Disable Nxt Disable Enable DT...

Страница 182: ...address of a modem that is to be placed into a loopback test This configuration option is used for more complex networks where multiple modems used in extended data circuits tail circuits can be comma...

Страница 183: ...pplications where it is desirable to start the modem from a known condition after every call This allows multiple users to issue AT commands to change the modem s operation for their particular call N...

Страница 184: ...tion 1 Callback This configuration option controls whether or not the modem s single number callback function is used Disable Modem does not use the single number callback function Enable Modem answer...

Страница 185: ...es range from 001 to 256 NOTE Changes to this configuration option will cause the modem to reset Diag Connection Modem DC Nxt Modem DC NMS CC Disable This configuration option does not appear when the...

Страница 186: ...on with a remote modem it is considered to be in Command mode an idle state where you can modify its operating parameters or issue modem commands Any command issued is acknowledged with a response in...

Страница 187: ...bits no parity 1 stop bit 7 data bits no parity 2 stop bits 7 data bits parity 1 stop bit parity can be odd even mark or space All commands except A and must begin with the characters AT and end by pr...

Страница 188: ...t 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 19 CONN...

Страница 189: ...00 bps 43 43 CONNECT 21600 EC Connection at 21 600 bps with error control 44 44 CONNECT 24000 EC Connection at 24 000 bps with error control 45 45 CONNECT 26400 EC Connection at 26 400 bps with error...

Страница 190: ...ts the AT command The second column defines and lists all possible values for that command The Async Dial factory default is listed in bold The third column lists the key sequence used to enter the eq...

Страница 191: ...gth of this pause is determined by the setting of the Pause Time configuration option refer to the Line Dialer configuration option group or by value held in S Register S8 W Wait for dial tone The mod...

Страница 192: ...0 Speaker always OFF M1 Speaker ON until carrier signal is detected M2 Speaker always ON Control Speaker Configure Edit Misc O Return to Online or Data Mode Returns modem to Data mode from Online Comm...

Страница 193: ...ARRIER ERROR y p y ERROR Add EC Displays result codes with EC suffix Add V42 MNP Displays result codes with V 42 or MNP suffix Use DTE Rate Displays DTE data rate instead of line rate Dial Tone Detect...

Страница 194: ...R Action D0 Ignore Modem ignores the true status of DTR and treats it as always ON D1 D2 D3 Standard RS232 DTR Signal is controlled by the DTE D4 Controls On Hook Modem does not disconnect from the VF...

Страница 195: ...onfigure Edit Dial Line NOTE In North America the range of allowable values is 10 dBm to 32 dBm This command is disabled in some countries it answers OK but does not change the level Ln Leased Mode L0...

Страница 196: ...e using V 25bis asynchronous AT Command protocol M233 Modem operates in Synchronous mode using V 25bis bisynchronous AT Command protocol M234 Modem operates in Synchronous mode using V 25bis HDLC AT C...

Страница 197: ...Active Operating Active Saved Customer 1 and Customer 2 configuration areas as well as the telephone numbers stores in directory locations 1 24 V0 Active Operating configuration options V1 Active Save...

Страница 198: ...Disable C1 Enable C2 Disables and switches modem to Buffer mode Configure Edit V42 MNP Buffer Dn CTS Control D0 Forced On Forces CTS to always ON D1 Standard RS232 D2 Wink When Disconnect CTS is turn...

Страница 199: ...Q4 XON XOFF Disable Q5 Disable XON XOFF Q6 Disable RTS to Mdm Configure Edit V42 MNP Buffer Tn No Data Disconnect Timer T0 Disable Tn Where n is a value from 1 to 255 in 1 minute increments Configure...

Страница 200: ...scription is necessary NOTE In some countries the range of allowable values of some S Registers are restricted If the DTE attempts to enter an illegal value the modem will answer OK but it will set th...

Страница 201: ...value from 0 127 for the line feed character The factory setting is 10 ASCII carriage return or line feed Configure Edit DTE Dialer S5 Backspace Character Register determines ASCII value used as the...

Страница 202: ...34 modulation on a leased line The factory setting is Enable Configure Edit Leased Line S18 Test Time out Register sets the duration in seconds for the modem tests This automatically cancels any test...

Страница 203: ...1200 V 22 8 1200 212A 10 0 300 V 21 11 0 300 103J 12 1200 75 V 23 13 75 1200 V 23 18 600 75 V 23 19 75 600 V 23 20 19 200 V 32 terbo 21 16 800 V 32 terbo 22 33 600 23 31 200 24 28 800 V 34 25 26 400 V...

Страница 204: ...4800 V 27bis 17 2400 V 27bis 18 19 200 V 32 terbo 19 16 800 V 32 terbo 20 19 200 TMp 21 14 400 TMp 22 9600 TMp 23 7200 TMp 24 4800 TMp 25 2400 TMp 26 33 600 27 31 200 28 28 800 V 34 29 26 400 V 34 30...

Страница 205: ...n Level Register determines if the modem disconnects if the carrier signal on leased lines falls below 26 dBm or 43 dBm Register has the following values 0 43 dBm 1 26 dBm 2 33 dBm The factory setting...

Страница 206: ...Peripheral Configure Edit Tests S55 Access From Remote Register determines if a modem s DCP can be accessed by a remote modem Register has the following values 0 Enable 1 Disable The factory setting...

Страница 207: ...g 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 to the...

Страница 208: ...actory setting is Disable Configure Edit Misc S69 Make Busy Via DTR Register determines if the modem goes off hook busy when DTR is OFF Register has the following values 0 Disable 1 Enable The factory...

Страница 209: ...is used on dial lines when connected in V 32bis mode Register has the following values 0 Enable 1 Disable The factory setting is Enable Configure Edit Dial Line S78 V 32bis Automode Dial Line Registe...

Страница 210: ...fteen frames For best performance this register should remain at its default setting of six frames ATS89 0 The only reason to change it is for satellite delays Register has the following values 0 six...

Страница 211: ...well Register has the following values 0 Disable 1 Enable The factory setting is Disable Configure Edit Leased S93 V 29 Retrain When enabled the modem transmits a training sequence whenever it receiv...

Страница 212: ...r has the following values 0 Enable 1 Disable The factory setting is Enable Configure Edit Leased S97 Reduced Asynchronous Buffer Size Register limits the modem s buffer size to a maximum of 20 charac...

Страница 213: ...r viewing online because it contains security sensitive information Dial Access Security information is available in the COMSPHERE 392xPlus Modems Models 3920Plus and 3921Plus Installation and Operati...

Страница 214: ...A 1 3920 A2 GN31 30 November 1996 Menu Tree Overview A 1 Overview Pages A 2 and A 3 provide a menu tree for the 392xPlus modems A...

Страница 215: ...R DSR Tst TXD RXD RTS CTS Display Clear to next page SigQual RcvLevel Sig Noise NrEchLvl FarEchLv FarEchDel EchoFreqOff Phase Hts Impul Hts DropOuts Retrains Phas Jtr NonLinear FreqOffset Gain Hts Cho...

Страница 216: ...en using Remote mode Self Rem_Digital_Loop Pattern Abort Loc_Analog_Loop Loc_Digital_Loop Set_Access_Ctrl Reset_Security Admin Password EditPassWdTable Set_Answer_Sec Set_Orig_Secur Set_Admin_PsWd 392...

Страница 217: ...e B 1 Modem 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 m...

Страница 218: ...ms 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 Table B 3 Dial Backup Operation Symptom Acti...

Страница 219: ...tion option is enabled Refer to DTE Dialer in Chapter 4 Reload the Async Dial factory configuration area to guarantee that all configuration options are returned to their proper setting Make sure that...

Страница 220: ...te at the same modulation scheme as the originating modem to see if they connect The Originate Mode does not function properly Verify that the modem s DTE Dialer Type configuration option is set to th...

Страница 221: ...lf test Incoming rings can cause data errors during a loopback test Abort the test disconnect the modular VF cord and restart the test Table B 6 Online Operation Symptom Action The data is scrambled V...

Страница 222: ...Overview C 1 EIA 232 D Pin Assignments C 2 VF Connector Pin Assignments C 3 Auxiliary Cables Not Supplied C 4 Overview This appendix lists EIA 232 D and VF TELCO pin assignments and provides informati...

Страница 223: ...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 CT112...

Страница 224: ...lus 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 T...

Страница 225: ...3920 A2 GN31 30 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 Wi...

Страница 226: ...ransmit 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 Technica...

Страница 227: ...r 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 21 22 23 24 25 T...

Страница 228: ...ponse LSN D 5 Command Response D 6 Valid VAL D 6 Invalid INV D 6 Overview This appendix describes V 25bis dialing commands and responses CCITT V 25bis is an international dialing protocol that permits...

Страница 229: ...the request directory location CRS is similar to the ATDS command The CRS command format is CRSx Where x is directory location 1 24 The modem responds to the command with either a VAL valid or INV in...

Страница 230: ...TE if the modem is not currently allowed to call the number DLC is similar to the AT result code DELAYED The DLC response format is DLCn Where n is the delay in minutes before the number can be called...

Страница 231: ...mber to a specific directory location PRN is similar to the AT Z command The PRN command format is PRNx n Where x is the directory location 1 24 n is the telephone number Request List of Delayed Numbe...

Страница 232: ...ation List Delayed Numbers Response LSD LSD is a response to an LSD command issued by DTE LSDx n d Where x is a sequence number not a directory location n is the telephone number d is the delay in min...

Страница 233: ...V 25bis command from the DTE INV is similar to the AT result code ERROR The INV response format is INVxx Where xx is CU command unknown MS message syntax error PS parameter syntax error PV parameter v...

Страница 234: ...se LSD List Delayed Numbers NONE LSF List Forbidden Numbers NONE LSN List Stored Numbers NONE Table D 2 lists V 25bis response messages supported by the 392xPlus modems Table D 2 V 25bis Response Mess...

Страница 235: ...ol Character Key 00 000 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...

Страница 236: ...W 18 024 CAN CTRL X 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 03...

Страница 237: ...ASCII Value 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 O 50 080 P 51 081 Q 52 082 R 53 08...

Страница 238: ...cimal ASCII Value Key Control Character Decimal ASCII Value 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 72 114 r 73 115 s 74 11...

Страница 239: ...iguration options labeled Sync Leased Async Leased TMp Trellis Multipoint Async Dial Sync Dial and UNIX Dial These six sets contain the most commonly used configuration options for modems installed in...

Страница 240: ...rt1 or Disable Ports 2 3 4 A 33600 Port1 or Disable Ports 2 3 4 A 33600 Port1 or Disable Ports 2 3 4 Rate at 28 8 K 28800 Port1 or Disable Ports 2 3 4 28800 Port1 or Disable Ports 2 3 4 28800 Port1 or...

Страница 241: ...r Disable Ports 2 3 4 7200 Port1 or Disable Ports 2 3 4 A 7200 Port1 or Disable Ports 2 3 4 A 7200 Port1 or Disable Ports 2 3 4 Rate at 4800 4800 Port1 or Disable Ports 2 3 4 4800 Port1 or Disable Por...

Страница 242: ...rt Tx Clock Internal Internal Internal Internal A Internal A Internal Extend Main Ch Disable Disable Disable Disable A Disable A Disable Upstream Port F 1 1 1 1 A 1 A 1 DTE Interface Singleport mode A...

Страница 243: ...Ch Disable Disable Disable Disable A Disable A Disable Upstream Port F 1 1 1 1 A 1 A 1 DTE Dialer l DTE Dialer Type Disable Disable Disable AT AT Disable AT Escape Char 043 F 043 F 043 F 043 043 043 F...

Страница 244: ...one Tone Tone Tone Tone Dial Tone Detect Enable Enable Enable Enable Enable Enable Blind Dial Pause F 2 2 2 2 2 2 Busy Tone Detect Enable Enable Enable Enable Enable Enable Pause Time 2 sec 2 sec 2 se...

Страница 245: ...Rate F Disable Disable Disable Enable Enable Disable Lease Line Lease Modulation V 34 V 34 TMp V 34 F V 34 F V 34 F Leased Line Rate 28800 V34 28800 V34 19200 control or 14400 trib 28800 V34 F 28800...

Страница 246: ...le F Disable Disable F V 29 Retrain Fl Enable Enable Enable Enable F Enable F Enable F V 29 Link Configuration l Point To Point Point To Point Point To Point Point To Point F Point To Point F Point To...

Страница 247: ...E CTS to DTE CTS to DTE CTS to DTE CTS to DTE Flow Control of Modem F RTS to Modem RTS to Modem RTS to Modem RTS to Modem RTS to Modem RTS to Modem XON XOFF Passthrough F Disable Disable Disable Disab...

Страница 248: ...Carrier On Until Carrier Speaker Volume Medium Medium Medium Medium Medium Medium Access from Remote J Enable Enable Enable Enable Enable Enable Remote Access Password J 00000000 00000000 00000000 000...

Страница 249: ...nd Dial Tone DTE Password Tries 1 1 1 1 1 1 DTE Password Termination Character 013 013 013 013 013 013 DTE Password Backspace Character 008 008 008 008 008 008 Get User Id Disable Disable Disable Disa...

Страница 250: ...Point to Point with Network Management G 10 Configuration Options G 10 Cables G 11 Carrier with Network Management G 12 Configuration Options G 13 Cables G 13 Extended Diagnostics G 14 Configuration...

Страница 251: ...able 1 9600 9600 4800 4800 DTE Sync DTE Sync DTE Sync DTE Sync DTE Sync 3920Plus A 3920Plus B 1 2 3 4 1 2 3 4 Figure G 1 Sample Configuration Point to Point Configuration Options 3920Plus A Use Sync L...

Страница 252: ...e Disable 4800 9 6K Disable Disable Disable 4800 7 2K Disable Disable Disable 4800 4 8K Disable Disable Disable 4800 2 4K Disable Disable Disable Disable Cables Cable 1 Use a standard customer supplie...

Страница 253: ...3 9600 9600 4800 4800 DTE Sync DTE Sync DTE Sync DTE Sync 3920Plus A 3920Plus B 3910 B 3910 A 1 2 3 4 1 2 3 4 4800 Figure G 2 Sample Configuration Extended Point to Point Configuration Options 3920Pl...

Страница 254: ...4800 16 8K 9600 Disable Disable 4800 14 4K 9600 Disable Disable 4800 12 0K Disable Disable Disable 4800 9 6K Disable Disable Disable 4800 7 2K Disable Disable Disable 4800 4 8K Disable Disable Disabl...

Страница 255: ...Cable 1 Cable 1 Cable 1 9600 9600 4800 4800 Cable 1 Cable 1 Cable 1 Cable 3 9600 9600 4800 4800 DTE Sync DTE Sync DTE Sync DTE Sync 3920Plus A 3920Plus B 1 2 3 4 1 2 3 4 Cable 1 Cable 2 Cable 2 Leased...

Страница 256: ...ine Rate Set to 4800 TMp Autorate Leased Line Set to Disable 3910 B Use TMp Trib default configuration options with the following exceptions TX Clock Source Set to RXC_Loop LeasedLine Rate Set to 4800...

Страница 257: ...818 2759 0111 or an equivalent customer supplied EIA 232 D V 24 crossover cable with DB 25 P plug connectors on both ends to attach to the modems See Appendix C for pin assignments Point to Point with...

Страница 258: ...4800 19 2K 9600 Disable 4800 4800 16 8K 9600 Disable Disable 4800 14 4K 9600 Disable Disable 4800 12 0K Disable Disable Disable 4800 9 6K Disable Disable Disable 4800 7 2K Disable Disable Disable 480...

Страница 259: ...lus A 3920Plus B 1 2 3 4 1 2 3 4 NMS 6700 or 6800 Adapter 002 0025 0031 NMS CC IN 3600 F3 300 Hubbing Device Cable 5 Figure G 5 Sample Configuration Point to Point with Network Management Configuratio...

Страница 260: ...Disable Disable Disable Disable Cables Cable 1 Use a standard customer supplied EIA 232 D V 24 cable with a DB 25 P plug connector at one end to attach to the modem Attach this to the connector label...

Страница 261: ...ent Cable 1 Cable 2 Cable 2 Leased 28800 V34 28800 V34 TX TX Cable 1 Cable 1 Cable 1 9600 9600 4800 4800 Cable 1 Cable 1 Cable 1 Cable 1 9600 9600 4800 4800 DTE Sync DTE Sync DTE Sync DTE Sync DTE Syn...

Страница 262: ...e Disable 4800 14 4K 9600 Disable Disable 4800 12 0K Disable Disable Disable 4800 9 6K Disable Disable Disable 4800 7 2K Disable Disable Disable 4800 4 8K Disable Disable Disable 4800 2 4K Disable Dis...

Страница 263: ...cs Configuration Options 3920Plus A Use Sync Leased Answer default configuration options with the following exception NetworkPosition Set to Control Diag Connection Set to NMS CC NetMngmtAddress Set t...

Страница 264: ...232 D V 24 cable with a DB 25 P plug connector at one end to attach to the modem Attach this to the connector labeled DTE1 2 3 or 4 Cable 2 Use part number 125 0053 1431 an 8 position 8 wire modular...

Страница 265: ...e 3920Plus B C Use Sync Dial template default configuration options with the following exceptions MUX Mode Set to DTE Bridge NetworkPosition Set to Control Diag Connection Set to NMS CC Tx Clock Sourc...

Страница 266: ...ine Rate Set to 14400 V32 Cables Cable 1 Use a standard customer supplied EIA 232 D V 24 cable with a DB 25 P plug connector at one end to attach to the modem Attach this to the connector labeled DTE1...

Страница 267: ...exception MSD Control Set Ports 1 2 and 3 to Enable Rate Refer to the Sample Port Rate Table in this section Cables Cable 1 Use a standard customer supplied EIA 232 D V 24 cable with a DB 25 P plug co...

Страница 268: ...isable Disable 9600 9 6K Disable Disable Disable 9600 7 2K Disable Disable Disable Disable 4 8K Disable Disable Disable Disable 2 4K Disable Disable Disable Disable Sample Port Rate Table Point to Poi...

Страница 269: ...point MSD Figure G 10 Sample Configuration Multipoint MSD 3920Plus A Use TMp Control Template default configuration options with the following exception NetworkPosition Set to Control 3920Plus B C D U...

Страница 270: ...r supplied EIA 232 D V 24 cable with a DB 25 P plug connector at one end to attach to the modem Attach this to the connector labeled DTE1 2 3 or 4 Cable 2 Use part number 125 0053 1431 an 8 position 8...

Страница 271: ...n 4 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 XXXX 3600 Hubbing Device 3600 F3 300 EIA 323 D V 24 Crosso...

Страница 272: ...ibility 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 Refer to Append...

Страница 273: ...ission of binary coded data between stations in a data communications system bit A contraction of binary digit A bit which is the smallest unit of information represents the choice between a one or a...

Страница 274: ...m tributary modems across the analog channel controlled carrier mode The modem s transmitter turns on and off in response to RTS This mode is used by multipoint tributary modems Customer 1 A user defi...

Страница 275: ...ations circuit that is established by a switched circuit connection in the dial network dial network See PSTN Dial Standby A function available when the modem is operating in Dial Backup mode allowing...

Страница 276: ...ommand fallback Retraining at a lower rate or speed FCC Federal Communications Commission Board of Commissioners that regulates all interstate and foreign electrical communication systems that origina...

Страница 277: ...ny test that verifies a device s integrity by connecting the device s output to the device s input then checking the received signal for errors menu tree The structure containing the menu hierarchy st...

Страница 278: ...connects private telephones to each other and to the public dial network permissive interface A dial modem operating mode characterized by a fixed output power level of 9 dBm phase jitter A rapid or r...

Страница 279: ...trol up to 8 carriers with a total of 128 modems SDU Shared Diagnostic Unit A circuit card that plugs into a dedicated slot in the COMSPHERE 3000 Series Carrier to provide the SDCP and network managem...

Страница 280: ...nnected closer to the host computer USOC Universal Service Ordering Codes V 22 A CCITT standard for modems operating full duplex over dial networks at 1200 bps V 22bis A CCITT standard for modems oper...

Страница 281: ...t of the audio frequency range used to transmit voice sound usually 300 Hz to 3400 Hz This band is used by the modem for its modulated signal XOFF A character that tells the DTE or modem to stop trans...

Страница 282: ...automatic rate control 4 24 4 54 B back panel connectors 2 4 backup dial 2 5 2 6 3 41 3 42 3 65 3 68 3 69 B 2 leased 1 9 1 10 2 5 2 6 3 65 status 3 26 Bell 103J 4 50 212A 4 50 Bisync 4 41 D 1 busy co...

Страница 283: ...group 4 41 DTE Interface configuration options group 4 10 4 33 dual leased line operation See backup leased E EIA 232 D cable connection 2 4 2 6 B 3 pin assignments C 2 status 3 3 3 6 3 24 end to end...

Страница 284: ...dem 1 2 1 7 model 3921Plus 1 4 MUX mode 1 7 1 9 4 10 DTE Bridge 4 10 mux disabled 1 7 mux enabled 1 7 TDM MSD 1 9 4 10 N network interface module NIM 2 2 3 41 network management address 3 31 4 29 4 68...

Страница 285: ...s 3 3 3 6 straps See configuration options SubHS Sub Network Health and Status branch 3 10 3 64 3 65 synchronous operation 2 11 4 2 4 13 4 33 T Talk Data branch 3 10 3 73 3 75 telephone external 3 73...

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