Paradyne 3910 Manual de usuario

COMSPHERE3900 SERIES MODEMSMODELS 3910 AND 3911POINT-TO-POINT/MULTIPOINTINSTALLATION AND OPERATION MANUALDocument No. 3910-A2-GN32-30November 1996

COMSPHERE 3900 Series Modemsvi November 1996 3910-A2-GN32-30Table PageD-2 V.25bis Response MessagesD-8. . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-66 November 1996 3910-A2-GN32-30NOTEWhen initiating a Remote function from a TMp tributary modem,primary channel operati

DCP Operation3-673910-A2-GN32-30 November 1996For Trellis Multipoint (TMp) modems (control or tributary), you must specify the remote accesspassword o

COMSPHERE 3900 Series Modems3-68 November 1996 3910-A2-GN32-30Status“Status”Configure PList Control Test SubHS Call_Setup ExitRemThe Top-Level menu of

DCP Operation3-693910-A2-GN32-30 November 1996Diagnostic Control Panel AccessNOTEThis page of the manual is self supporting and can be removed topreve

4-13910-A2-GN32-30 November 1996 DCP ConfigurationOverview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems4-2 November 1996 3910-A2-GN32-30NOTEIf you are using AT commands, a period of time can exist in whichthe contents of Acti

DCP Configuration4-33910-A2-GN32-30 November 1996Active (Saved)(ATZ0, ATZ3)Customer1(ATZ1)Customer2(ATZ2)FactoryUSE AT&W COMMAND TO SAVECHANGES TO

COMSPHERE 3900 Series Modems4-4 November 1996 3910-A2-GN32-30Configure BranchThe Configure branch of the Top-Level menu contains all of the modem’s co

DCP Configuration4-53910-A2-GN32-30 November 1996The Configure branch consists of the following three levels:•Ld EditArea frm. Allows the selection of

COMSPHERE 3900 Series Modems4-6 November 1996 3910-A2-GN32-30F1Ld Fact Preset: >Sync_LeasedF2F3Select Sync_Leased.F1Choose Mode:Answer OriginateF2F

vii3910-A2-GN32-30 November 1996PrefaceObjectives and Reader AssumptionsThis manual describes how to install and operate the COMSPHEREr 391x Series st

DCP Configuration4-73910-A2-GN32-30 November 1996F1StrapsWhenDisc >Nxt No_ChangeF2F3F1RemAccssPasswrd:Nxt 00000000F2F3Select Nxt until RemAccssP

COMSPHERE 3900 Series Modems4-8 November 1996 3910-A2-GN32-30To save the new password to a configuration area, make the following selections:F1RemAccs

DCP Configuration4-93910-A2-GN32-30 November 1996Configuration TablesThe modem’s configuration options are arranged into nine groups based on function

COMSPHERE 3900 Series Modems4-10 November 1996 3910-A2-GN32-30Table 4-1(1 of 10)DTE Interface Configuration OptionsAsync/Sync Mode: SyncNxt Sync

DCP Configuration4-113910-A2-GN32-30 November 1996Table 4-1(2 of 10)DTE Interface Configuration OptionsAsyn Parity Bit: NoneNxt None Even Odd

COMSPHERE 3900 Series Modems4-12 November 1996 3910-A2-GN32-30Table 4-1(3 of 10)DTE Interface Configuration OptionsDTR Action: IgnoreNxt Ignore S

DCP Configuration4-133910-A2-GN32-30 November 1996Table 4-1(4 of 10)DTE Interface Configuration OptionsDSR Control: Stndrd_RS232Nxt Stndrd_RS232

COMSPHERE 3900 Series Modems4-14 November 1996 3910-A2-GN32-30Table 4-1(5 of 10)DTE Interface Configuration OptionsRTS Action: Stndrd_RS232Nxt Stnd

DCP Configuration4-153910-A2-GN32-30 November 1996Table 4-1(6 of 10)DTE Interface Configuration OptionsCTS Control: Stndrd_RS232Nxt Stndrd_RS232

COMSPHERE 3900 Series Modems4-16 November 1996 3910-A2-GN32-30Table 4-1(7 of 10)DTE Interface Configuration OptionsLSD Control: Stndrd_RS232Nxt Stn

COMSPHERE 3900 Series Modemsviii November 1996 3910-A2-GN32-30Related Documents3000-A2-GA31 COMSPHERE 3000 Series Carrier, Installation Manual3610-A2-

DCP Configuration4-173910-A2-GN32-30 November 1996Table 4-1(8 of 10)DTE Interface Configuration OptionsTX Clock Source: InternalNxt Internal Exte

COMSPHERE 3900 Series Modems4-18 November 1996 3910-A2-GN32-30Table 4-1(9 of 10)DTE Interface Configuration OptionsCT111_Rate Cntl: DisableNxt Disa

DCP Configuration4-193910-A2-GN32-30 November 1996Table 4-1(10 of 10)DTE Interface Configuration OptionsExtend Main Ch.: DisableNxt Disable Enabl

COMSPHERE 3900 Series Modems4-20 November 1996 3910-A2-GN32-30Table 4-2(1 of 5)DTE Dialer Configuration OptionsDTE Dialer Type: DisableNxt Disable

DCP Configuration4-213910-A2-GN32-30 November 1996Table 4-2(2 of 5)DTE Dialer Configuration OptionsAT Escape Char: 043 ASCINxt  043 ASCIThis con

COMSPHERE 3900 Series Modems4-22 November 1996 3910-A2-GN32-30Table 4-2(3 of 5)DTE Dialer Configuration OptionsCarriageRtn Char: 013 ASCINxt  01

DCP Configuration4-233910-A2-GN32-30 November 1996Table 4-2(4 of 5)DTE Dialer Configuration OptionsExtendResltCode: EnableNxt Enable Disable Ad

COMSPHERE 3900 Series Modems4-24 November 1996 3910-A2-GN32-30Table 4-2(5 of 5)DTE Dialer Configuration OptionsAT Cmnd Mode: NormalNxt Normal No_

DCP Configuration4-253910-A2-GN32-30 November 1996Line DialerThe Line Dialer configuration options establish parameters used by the modem to answer or

COMSPHERE 3900 Series Modems4-26 November 1996 3910-A2-GN32-30Table 4-3(2 of 5)Line Dialer Configuration OptionsBlind Dial Pause: 2secNxt 2sec 4s

1-13910-A2-GN32-30 November 1996IntroductionOverview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DCP Configuration4-273910-A2-GN32-30 November 1996Table 4-3(3 of 5)Line Dialer Configuration OptionsFast Disconnect: DisableNxt Disable EnableFas

COMSPHERE 3900 Series Modems4-28 November 1996 3910-A2-GN32-30Table 4-3(4 of 5)Line Dialer Configuration OptionsNo Carrier Disc: 2secNxt 2sec Dis

DCP Configuration4-293910-A2-GN32-30 November 1996Table 4-3(5 of 5)Line Dialer Configuration OptionsMakeBusyVia DTR: DisableEnd Disable EnableMak

COMSPHERE 3900 Series Modems4-30 November 1996 3910-A2-GN32-30Dial LineThe Dial Line configuration options are used to configure the modem for operati

DCP Configuration4-313910-A2-GN32-30 November 1996Table 4-4(2 of 3)Dial Line Configuration OptionsV32bis Automode: EnableNxt Enable Disable Sys

COMSPHERE 3900 Series Modems4-32 November 1996 3910-A2-GN32-30Table 4-4(3 of 3)Dial Line Configuration OptionsV22b Guard Tone: DisableNxt Disable

DCP Configuration4-333910-A2-GN32-30 November 1996Leased LineThe Leased Line configuration options only appear when the Sync Leased factory preset tem

COMSPHERE 3900 Series Modems4-34 November 1996 3910-A2-GN32-30Table 4-5(2 of 6)Leased Line Configuration OptionsLeasedLine Rate: 19200(V32t)Nxt 192

DCP Configuration4-353910-A2-GN32-30 November 1996Table 4-5(3 of 6)Leased Line Configuration OptionsV32bis Autorate: EnableNxt Enable DisableThis

COMSPHERE 3900 Series Modems4-36 November 1996 3910-A2-GN32-30Table 4-5(4 of 6)Leased Line Configuration OptionsAutoDialStandby: DisableNxt Disable

COMSPHERE 3900 Series Modems1-2 November 1996 3910-A2-GN32-30• Mixed inbound rates for multipoint applications.• Convenient migration to new or option

DCP Configuration4-373910-A2-GN32-30 November 1996Table 4-5(5 of 6)Leased Line Configuration OptionsV.27bis Train. Controls the train time for V.27bis

COMSPHERE 3900 Series Modems4-38 November 1996 3910-A2-GN32-30Table 4-5(6 of 6)Leased Line Configuration OptionsDual_Leased_Ln: DisableNxt Disable

DCP Configuration4-393910-A2-GN32-30 November 1996Table 4-6(1 of 8)V.42/MNP/Buffer Configuration OptionsErr Contrl Mode: V42/MNPorBfrNxt V42/MNPorB

COMSPHERE 3900 Series Modems4-40 November 1996 3910-A2-GN32-30Table 4-6(2 of 8)V.42/MNP/Buffer Configuration OptionsErr Contrl Mode (Continued)Nxt V

DCP Configuration4-413910-A2-GN32-30 November 1996Table 4-6(3 of 8)V.42/MNP/Buffer Configuration OptionsEC Negotiat Bfr: DisableNxt Disable Enabl

COMSPHERE 3900 Series Modems4-42 November 1996 3910-A2-GN32-30Table 4-6(4 of 8)V.42/MNP/Buffer Configuration OptionsFlw Cntl of DTE: CTS_to_DTENxt

DCP Configuration4-433910-A2-GN32-30 November 1996Table 4-6(5 of 8)V.42/MNP/Buffer Configuration OptionsXON/XOFF Psthru: DisableNxt Disable Enabl

COMSPHERE 3900 Series Modems4-44 November 1996 3910-A2-GN32-30Table 4-6(6 of 8)V.42/MNP/Buffer Configuration OptionsBreak Buffr Ctl: Keep_DataNxt K

DCP Configuration4-453910-A2-GN32-30 November 1996Table 4-6(7 of 8)V.42/MNP/Buffer Configuration OptionsBuffrDiscDelay: 10secNxt 10sec Disable

COMSPHERE 3900 Series Modems4-46 November 1996 3910-A2-GN32-30Table 4-6(8 of 8)V.42/MNP/Buffer Configuration OptionsRdcdAsyncBufSiz: DisableEnd Dis

Introduction1-33910-A2-GN32-30 November 1996Standalone Model 3910 4-Wire/2-Wire ModemThe standalone Model 3910 modem (Figure 1-1) is capable of either

DCP Configuration4-473910-A2-GN32-30 November 1996Table 4-7(2 of 2)Test Configuration OptionsTest Timeout: DisableNxt Disable 30sec 60sec 240

COMSPHERE 3900 Series Modems4-48 November 1996 3910-A2-GN32-30MiscThe Miscellaneous configuration options determine specifics for various functions, i

DCP Configuration4-493910-A2-GN32-30 November 1996Table 4-8(2 of 4)Miscellaneous Configuration OptionsSpeaker Volume: MediumNxt Medium Low High

COMSPHERE 3900 Series Modems4-50 November 1996 3910-A2-GN32-30Table 4-8(3 of 4)Miscellaneous Configuration OptionsNMS_Call_Msgs: CallCnct&PrgNxt

DCP Configuration4-513910-A2-GN32-30 November 1996Table 4-8(4 of 4)Miscellaneous Configuration OptionsDiag Connection: Modem(DC)Nxt Modem(DC) NMS

5-13910-A2-GN32-30 November 1996AT Command Set and S-RegistersOverview 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems5-2 November 1996 3910-A2-GN32-30Escape Sequence and Escape Guard TimeThe escape sequence is only issued when the modem is

AT Command Set and S-Registers5-33910-A2-GN32-30 November 1996Result CodesTable 5-1 lists all valid result codes for the 391x Series modem.Table 5-1(1

COMSPHERE 3900 Series Modems5-4 November 1996 3910-A2-GN32-30Table 5-1(2 of 2)Result CodesNumbers(1)DescriptionWordNumbers(2)26 15CONNECT 7200/ EC***C

AT Command Set and S-Registers5-53910-A2-GN32-30 November 1996Table 5-2(1 of 3)391x Series AT CommandsATCommandDescriptionDCP LCDCommandSequenceA/ Rep

COMSPHERE 3900 Series Modems1-4 November 1996 3910-A2-GN32-30Model 3911’s faceplate has 16 LED status indicators for displaying modem activity and an

COMSPHERE 3900 Series Modems5-6 November 1996 3910-A2-GN32-30Table 5-2(2 of 3)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescriptionDn (con

AT Command Set and S-Registers5-73910-A2-GN32-30 November 1996Table 5-2(3 of 3)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescriptionO Retu

COMSPHERE 3900 Series Modems5-8 November 1996 3910-A2-GN32-30Table 5-3(2 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescriptionXnExten

AT Command Set and S-Registers5-93910-A2-GN32-30 November 1996Table 5-3(3 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescriptionZnRese

COMSPHERE 3900 Series Modems5-10 November 1996 3910-A2-GN32-30Table 5-3(4 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescription&F

AT Command Set and S-Registers5-113910-A2-GN32-30 November 1996Table 5-3(5 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescription&

COMSPHERE 3900 Series Modems5-12 November 1996 3910-A2-GN32-30Table 5-3(6 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescription&V

AT Command Set and S-Registers5-133910-A2-GN32-30 November 1996Table 5-3(7 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescription\DnCT

COMSPHERE 3900 Series Modems5-14 November 1996 3910-A2-GN32-30Table 5-3(8 of 8)391x Series AT CommandsATCommandDCP LCDCommandSequenceDescription\TnNo

AT Command Set and S-Registers5-153910-A2-GN32-30 November 1996S-Register FormatS-Registers can be displayed and/or modified when the modem is in Comm

Introduction1-53910-A2-GN32-30 November 1996manner similar to the DCP on the Model 3910. For a better understanding of DCP operation, referto Chapter

COMSPHERE 3900 Series Modems5-16 November 1996 3910-A2-GN32-30Table 5-4(2 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS5 B

AT Command Set and S-Registers5-173910-A2-GN32-30 November 1996Table 5-4(3 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS40

COMSPHERE 3900 Series Modems5-18 November 1996 3910-A2-GN32-30Table 5-4(4 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS44

AT Command Set and S-Registers5-193910-A2-GN32-30 November 1996Table 5-4(5 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS47

COMSPHERE 3900 Series Modems5-20 November 1996 3910-A2-GN32-30Table 5-4(6 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS53

AT Command Set and S-Registers5-213910-A2-GN32-30 November 1996Table 5-4(7 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS61

COMSPHERE 3900 Series Modems5-22 November 1996 3910-A2-GN32-30Table 5-4(8 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS66

AT Command Set and S-Registers5-233910-A2-GN32-30 November 1996Table 5-4(9 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS72

COMSPHERE 3900 Series Modems5-24 November 1996 3910-A2-GN32-30Table 5-4(10 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS82

AT Command Set and S-Registers5-253910-A2-GN32-30 November 1996Table 5-4(11 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS8

COMSPHERE 3900 Series Modems1-6 November 1996 3910-A2-GN32-307. If you experience trouble with this equipment, please contact your sales or servicerep

COMSPHERE 3900 Series Modems5-26 November 1996 3910-A2-GN32-30Table 5-4(12 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS92

AT Command Set and S-Registers5-273910-A2-GN32-30 November 1996Table 5-4(13 of 13)391x Series S-RegistersS-RegisterDCP LCDCommandSequenceDescriptionS9

6-13910-A2-GN32-30 November 1996Dial Access SecurityChapter 6, Dial Access Security, is not available for viewing online because it containssecurity-s

A-13910-A2-GN32-30 November 1996Menu TreeOverview A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsA-2 November 1996 3910-A2-GN32-30JJJJJDisplays current status of modem along withdata rate and error control mode.“Status”

Menu TreeA-33910-A2-GN32-30 November 1996YzzYYYYYYYYYYYzYFFJJJJJfrom previous pageControl SubHS Call_SetupTlk/DataRemoteSecurityTest(DialBackuponly)Di

B-13910-A2-GN32-30 November 1996TroubleshootingOverview B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsB-2 November 1996 3910-A2-GN32-30Table B-2Leased-Line OperationSymptomActionThe modems do not train-up onleased lines.Veri

TroubleshootingB-33910-A2-GN32-30 November 1996Table B-4Modem — DTE ConnectionSymptomActionThe modem does not accept orecho back AT commands.Verify th

COMSPHERE 3900 Series ModemsB-4 November 1996 3910-A2-GN32-30Table B-5(1 of 2)Modem — VF ConnectionSymptomActionThe modem does not receive adial tone.

Introduction1-73910-A2-GN32-30 November 1996CanadaNOTICE TO THE USERS OF THE CANADIAN PUBLIC SWITCHED TELEPHONE NETWORKThe Canadian Department of Comm

TroubleshootingB-53910-A2-GN32-30 November 1996Table B-5(2 of 2)Modem — VF ConnectionSymptom ActionThe modem dials but does notconnect.If the modem is

C-13910-A2-GN32-30 November 1996Pin AssignmentsOverview C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsC-2 November 1996 3910-A2-GN32-30EIA-232-D Pin AssignmentsTable C-1 lists the EIA-232-D pin assignments for the modem.Tabl

Pin AssignmentsC-33910-A2-GN32-30 November 1996VF Connector Pin AssignmentsTable C-2 lists the connector pin assignments for Model 3910 modular jacks

COMSPHERE 3900 Series ModemsC-4 November 1996 3910-A2-GN32-30Auxiliary Cables Not SuppliedTo add an external telephone to your modem, use an external

Pin AssignmentsC-53910-A2-GN32-30 November 1996For 2-wire leased-line connections to a JM8 network interface, use an 8-position to 6-positioncrossover

COMSPHERE 3900 Series ModemsC-6 November 1996 3910-A2-GN32-30To connect a Model 3910 port to another modem’s EIA-232-D interface, use a 25-pin crossov

D-13910-A2-GN32-30 November 1996CCITT V.25bis Dialing Commandsand ResponsesOverview D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsD-2 November 1996 3910-A2-GN32-30Call Request CommandsCall Request commands are issued from the DTE to the modem and are r

CCITT V.25bis Dialing Commands and ResponsesD-33910-A2-GN32-30 November 1996ET is similar to the Call Failure Messages Busy Signal and Trunk Busy and

COMSPHERE 3900 Series ModemsA November 1996 3910-A2-GN32-30COMSPHERE3900 Series ModemsModels 3910 and 3911Point-to-Point/MultipointInstallation and Op

COMSPHERE 3900 Series Modems1-8 November 1996 3910-A2-GN32-30Technical SpecificationsTable 1-1 shows the technical specifications for the 391x Series

COMSPHERE 3900 Series ModemsD-4 November 1996 3910-A2-GN32-30Connect Incoming Call (CIC)The CIC command forces the modem to cancel any DIC commands an

CCITT V.25bis Dialing Commands and ResponsesD-53910-A2-GN32-30 November 1996Request List of Stored Numbers (RLN)The Request List of Stored Numbers (RL

COMSPHERE 3900 Series ModemsD-6 November 1996 3910-A2-GN32-30Command ResponseA Command Response indicates that the command entered was a valid or inva

CCITT V.25bis Dialing Commands and ResponsesD-73910-A2-GN32-30 November 1996Table D-1V.25bis CommandsV.25bis CommandDescriptionAT Command/S-Register E

COMSPHERE 3900 Series ModemsD-8 November 1996 3910-A2-GN32-30Table D-2 lists V.25bis response messages supported by the 391x Series modems.Table D-2V.

E-13910-A2-GN32-30 November 1996ASCII Character TableOverview E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsE-2 November 1996 3910-A2-GN32-30Table E-1(2 of 4)ASCII CharactersHexadecimalASCII ValueKeyControlCharacterDecimalASCII Va

ASCII Character TableE-33910-A2-GN32-30 November 1996Table E-1(3 of 4)ASCII CharactersHexadecimalASCII ValueKeyControlCharacterDecimalASCII Value3B 05

COMSPHERE 3900 Series ModemsE-4 November 1996 3910-A2-GN32-30Table E-1(4 of 4)ASCII CharactersHexadecimalASCII ValueKeyControlCharacterDecimalASCII Va

F-13910-A2-GN32-30 November 1996Default Configuration OptionsOverview F-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction1-93910-A2-GN32-30 November 1996Table 1-1(2 of 3)Technical Specifications for 391x Series ModemsSpecifications DescriptionENVIRONMENTOpera

COMSPHERE 3900 Series ModemsF-2 November 1996 3910-A2-GN32-30Table F-1(1 of 7)Factory Default Configuration OptionsConfigurationOptionSync LeasedDefau

Default Configuration OptionsF-33910-A2-GN32-30 November 1996Table F-1(2 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

COMSPHERE 3900 Series ModemsF-4 November 1996 3910-A2-GN32-30Table F-1(3 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

Default Configuration OptionsF-53910-A2-GN32-30 November 1996Table F-1(4 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

COMSPHERE 3900 Series ModemsF-6 November 1996 3910-A2-GN32-30Table F-1(5 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

Default Configuration OptionsF-73910-A2-GN32-30 November 1996Table F-1(6 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

COMSPHERE 3900 Series ModemsF-8 November 1996 3910-A2-GN32-30Table F-1(7 of 7)Factory Default Configuration OptionsConfigurationOptionSync DialDefault

G-13910-A2-GN32-30 November 1996Sample ConfigurationOverview G-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series ModemsG-2 November 1996 3910-A2-GN32-30Point-to-PointFigure G-1 shows a sample configuration for point-to-point applications.391

Sample ConfigurationG-33910-A2-GN32-30 November 1996MultipointFigure G-2 shows a sample configuration for multipoint applications.TMp control modems c

COMSPHERE 3900 Series Modems1-10 November 1996 3910-A2-GN32-30Table 1-1(3 of 3)Technical Specifications for 391x Series ModemsSpecifications Descripti

COMSPHERE 3900 Series ModemsG-4 November 1996 3910-A2-GN32-30Point-to-Point with Automatic Dial BackupFigure G-3 shows a sample configuration for poin

Sample ConfigurationG-53910-A2-GN32-30 November 1996Point-to-Point with Network ManagementFigure G-4 shows a sample configuration for point-to-point a

COMSPHERE 3900 Series ModemsG-6 November 1996 3910-A2-GN32-30Carrier with Network ManagementFigure G-5 shows a sample configuration for COMSPHERE 3000

Sample ConfigurationG-73910-A2-GN32-30 November 1996Extended MultipointFigure G-6 shows a sample configuration for extended multipoint applications.Ca

COMSPHERE 3900 Series ModemsG-8 November 1996 3910-A2-GN32-30Configuration Options3920 A Use Sync Leased (Answer) default configuration options with t

Sample ConfigurationG-93910-A2-GN32-30 November 1996Extended DiagnosticsFigure G-7 shows a sample configuration for extended diagnostics.Figure G-7. S

COMSPHERE 3900 Series ModemsG-10 November 1996 3910-A2-GN32-303910D,F,HUse Sync Leased (Answer) default configuration options with the followingexcept

H-13910-A2-GN32-30 November 1996Equipment ListEquipment Feature/Part NumberModel 3910 3910-A1-XXXModel 3911 3911-B1-XXX6-position, 4-wire modular cord

GL-13910-A2-GN32-30 November 1996GlossaryActive (Operating) A configuration area containing configuration options currently inuse by the modem. Anytim

COMSPHERE 3900 Series ModemsGL-2 November 1996 3910-A2-GN32-30automatic dial backup When leased-line operation fails, this function forces the modem t

2-13910-A2-GN32-30 November 1996Modem InstallationOverview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GlossaryGL-33910-A2-GN32-30 November 1996CCITT An advisory committee (Consultative Committee on InternationalTelephone and Telegraph) established by t

COMSPHERE 3900 Series ModemsGL-4 November 1996 3910-A2-GN32-30constant carrier mode The modem transmits a carrier signal constantly, regardless ofRTS.

GlossaryGL-53910-A2-GN32-30 November 1996dial command modifiers A modifier used in the dial string that instructs the modem how toprocess a dialed tel

COMSPHERE 3900 Series ModemsGL-6 November 1996 3910-A2-GN32-30extended network The extension of a circuit where the tributary DCE is connected toa dow

GlossaryGL-73910-A2-GN32-30 November 1996leased lineA private telephone line connection exclusively for the user. Nodialing is necessary.LED Light Emi

COMSPHERE 3900 Series ModemsGL-8 November 1996 3910-A2-GN32-30NMSNetwork Management System. A set of diagnostic andconfiguration management tools for

GlossaryGL-93910-A2-GN32-30 November 1996register A part of the modem’s memory that contains values that determinethe modem’s operating characteristic

COMSPHERE 3900 Series ModemsGL-10 November 1996 3910-A2-GN32-30Time DivisionMultiplexer (TDM)A device that enables the simultaneous transmission of mu

Index-13910-A2-GN32-30 November 1996IndexAAbort (test), 3-46–3-47ac power requirements, 1-9Active (Operating) configurations, 4-1Active (Saved) config

COMSPHERE 3900 Series ModemsIndex-2 November 1996 3910-A2-GN32-30Ccables, 2-4, 2-5, H-1Call Setup branch, 3-8, 3-54–3-62Canadian government requiremen

COMSPHERE 3900 Series Modems2-2 November 1996 3910-A2-GN32-30For the carrier-mounted model• Installation instructions•Model 3911 modem• Rear connector

IndexIndex-33910-A2-GN32-30 November 1996Dial Line configuration options group, 4-30–4-32digital loopback, 3-49–3-51dimensions, 1-9directory, telephon

COMSPHERE 3900 Series ModemsIndex-4 November 1996 3910-A2-GN32-30Hhandshaking sequence, 3-63, 3-64hang up, 3-56–3-57hardware part number (HPt #), 3-20

IndexIndex-53910-A2-GN32-30 November 1996MMake Busy, 3-34manual dial. See Talk/Datamenustructure, 3-8quick configuration display, 3-14tree, A-1–A-3mes

COMSPHERE 3900 Series ModemsIndex-6 November 1996 3910-A2-GN32-30Rratesautomatic control, 4-35dial line, 1-10, 4-30, 5-17leased line, 1-10, 4-34, 5-18

IndexIndex-73910-A2-GN32-30 November 1996TTalk/Databranch, 3-8, 3-62–3-64telephone, external, 3-62, C-4technical specifications, 1-8–1-10telephone, ex

Modem Installation2-33910-A2-GN32-30 November 1996The rear panel of the Model 3910 modem (Figure 2-1) has the following switches and connectors:• An O

COMSPHERE 3900 Series Modems2-4 November 1996 3910-A2-GN32-30DTE ConnectionUse the following procedures to connect the EIA-232-D cable from the modem

Modem Installation2-53910-A2-GN32-30 November 1996Network Management System ConnectionFor the Model 3910, use the following procedures to connect the

COMSPHERE 3900 Series Modems2-6 November 1996 3910-A2-GN32-30Selecting Factory Configuration OptionsAfter the modem passes the power-up self-test, con

Modem Installation2-73910-A2-GN32-30 November 19966. Press the key until the appropriate configuration area appears on the LCD, then pressthe corr

Safety InstructionsB3910-A2-GN32-30 November 1996Important Safety Instructions1. Read and follow all warning notices and instructions marked on the pr

COMSPHERE 3900 Series Modems2-8 November 1996 3910-A2-GN32-30To change a factory template using AT commands, perform the following steps. For moreinfo

Modem Installation2-93910-A2-GN32-30 November 1996Removing and Replacing Model 3910 ModemsTo remove and replace a Model 3910 modem, perform the follow

COMSPHERE 3900 Series Modems2-10 November 1996 3910-A2-GN32-30Figure 2-2. Installing a Model 3911 Modem2. At the front of the carrier, hold the modem

Modem Installation2-113910-A2-GN32-30 November 19965. Press the Select key to place the SDCP in direct communication with the selectedmodem.The LCD

COMSPHERE 3900 Series Modems2-12 November 1996 3910-A2-GN32-30Removing and Replacing Model 3911 ModemsCAUTIONIf the Model 3911 is removed from the car

3-13910-A2-GN32-30 November 1996DCP OperationOverview 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-2 November 1996 3910-A2-GN32-30Call Setup Branch 3-54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DCP Operation3-33910-A2-GN32-30 November 1996Model 3910 Diagnostic Control PanelThe diagnostic control panel (DCP) of the Model 3910 modem (Figure 3-1

COMSPHERE 3900 Series Modems3-4 November 1996 3910-A2-GN32-30Status IndicatorsThe 391x Series modems’ status indicators continuously provide informati

DCP Operation3-53910-A2-GN32-30 November 1996The standalone Model 3910 modem’s DCP has 13 light-emitting diodes (LEDs), and thecarrier-mounted Model 3

COMSPHERE 3900 Series ModemsC November 1996 3910-A2-GN32-30Notices

COMSPHERE 3900 Series Modems3-6 November 1996 3910-A2-GN32-30The SDCP LEDs are listed and described in Table 3-2.Table 3-2SDCP LEDsLabel Color Indicat

DCP Operation3-73910-A2-GN32-30 November 1996Hidden Choice IndicatorsThe hidden choice indicators serve as an alert that other choices are available b

COMSPHERE 3900 Series Modems3-8 November 1996 3910-A2-GN32-30These keys also allow you to move the cursor one character to the left or right on data e

DCP Operation3-93910-A2-GN32-30 November 1996All menu tree branches are discussed later in Chapter 3 except for Configure, which is discussed inChapte

COMSPHERE 3900 Series Modems3-10 November 1996 3910-A2-GN32-30Table 3-3(2 of 4)Top-Level Menu StatusStatus IndicatesMessageDial Backup orLdBkStandby:

DCP Operation3-113910-A2-GN32-30 November 1996Table 3-3(3 of 4)Top-Level Menu StatusStatus IndicatesMessageCall FailureCont.No Dial–DTR The modem cann

COMSPHERE 3900 Series Modems3-12 November 1996 3910-A2-GN32-30Table 3-3(4 of 4)Top-Level Menu StatusStatus IndicatesMessageFirmwareDownloadResult Cont

DCP Operation3-133910-A2-GN32-30 November 1996Messages listed in Table 3-5 are dial access security messages.Table 3-5Dial Access Security MessagesDia

COMSPHERE 3900 Series Modems3-14 November 1996 3910-A2-GN32-30Quick Configuration DisplayThe Quick Configuration display indicates the basic operation

DCP Operation3-153910-A2-GN32-30 November 1996Status BranchThe Status branch of the Top-Level menu allows you to view the current status of the leased

i3910-A2-GN32-30 November 1996Table of ContentsPrefaceObjectives and Reader Assumptionsvii. . . . . . . . . . . . . . . . . . . . . . . . . How to Use

COMSPHERE 3900 Series Modems3-16 November 1996 3910-A2-GN32-30Device Health and Status (DeviceHS)DeviceHS provides a ‘‘snapshot” of current modem alar

DCP Operation3-173910-A2-GN32-30 November 1996Table 3-6(1 of 2)Health and Status MessagesTypeMessage IndicatesMajorDevice Failure A device/self test h

COMSPHERE 3900 Series Modems3-18 November 1996 3910-A2-GN32-30Table 3-6(2 of 2)Health and Status MessagesType IndicatesMessageDial Make Busy Mode The

DCP Operation3-193910-A2-GN32-30 November 1996VFVF displays the condition of the leased or dial connection.To access VF from the Status branch, make t

COMSPHERE 3900 Series Modems3-20 November 1996 3910-A2-GN32-30NonLnearDistNon-Linear Distortion displays distortion which is usually associated withpu

DCP Operation3-213910-A2-GN32-30 November 1996DTEDTE displays the state and/or activity of the following interface leads: LSD, DTR, DSR, Tst, TXD,RXD,

COMSPHERE 3900 Series Modems3-22 November 1996 3910-A2-GN32-30To access Backup from the Status branch, make the following selection:Press the key u

DCP Operation3-233910-A2-GN32-30 November 1996Table 3-7Backup Status Screens Active Line1st Screen DisplayInactive Line2nd Screen DisplayPossible Inac

COMSPHERE 3900 Series Modems3-24 November 1996 3910-A2-GN32-30F1Options:Status >V.29 V.33F2F3If optional features are installed in the modem, they

DCP Operation3-253910-A2-GN32-30 November 1996The LCD displays the first sequence fault field. (Sequence fault fields range from 1 to 8 and areidentif

COMSPHERE 3900 Series Modemsii November 1996 3910-A2-GN32-303. DCP OperationOverview 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-26 November 1996 3910-A2-GN32-30To access PList from the Top-Level menu, make the following selections:F1Leased:19.2PLis

DCP Operation3-273910-A2-GN32-30 November 1996If there are modems in the poll list when you select Display,xxxDisplays the network management address

COMSPHERE 3900 Series Modems3-28 November 1996 3910-A2-GN32-30F1Poll List:Chang >Active DeleteF2F3To implement Change, select the appropriate funct

DCP Operation3-293910-A2-GN32-30 November 1996F1Poll List:AddCommand CompleteF2F3The message Command Complete appears on the LCD to indicate that the

COMSPHERE 3900 Series Modems3-30 November 1996 3910-A2-GN32-30The number field (yyy) indicates the total number of devices that responded to the modem

DCP Operation3-313910-A2-GN32-30 November 1996SpeakerSpeaker allows you to make temporary adjustments to the modem’s speaker volume. Upon a reset,spea

COMSPHERE 3900 Series Modems3-32 November 1996 3910-A2-GN32-30To access Reset from the Control branch, make the following selection:F1Control: >Spe

DCP Operation3-333910-A2-GN32-30 November 1996To exit this function and remain in the Control branch, press the key. To exit and return to theTop-L

COMSPHERE 3900 Series Modems3-34 November 1996 3910-A2-GN32-30Make Busy/Remove Make BusyThe Make Busy function forces the modem off-hook so it cannot

DCP Operation3-353910-A2-GN32-30 November 1996Service Line/Disconnect Service LineThe Service Line function allows you to switch a specific Model 3911

Table of Contentsiii3910-A2-GN32-30 November 1996AppendicesA. Menu Tree A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-36 November 1996 3910-A2-GN32-30Selecting Clone RemoteNOTEClone Remote operations are not supported unless both local an

DCP Operation3-373910-A2-GN32-30 November 1996Clone Remote in Broadcast ConfigurationsA tributary modem configured for extended diagnostics (Diagnosti

COMSPHERE 3900 Series Modems3-38 November 1996 3910-A2-GN32-30Viewing DC Broadcast Clone ResultsF1Choose DLL Type >DC_CloneResultsF2F3From the Choo

DCP Operation3-393910-A2-GN32-30 November 1996• For Multiple download configurations, ensure that the control modem’s active poll listcontains all the

COMSPHERE 3900 Series Modems3-40 November 1996 3910-A2-GN32-30Cloning a Multiple TMp RemoteF1Choose DLL Type >Single MultipleF2F3Press the F3 key t

DCP Operation3-413910-A2-GN32-30 November 1996F1Warning:DownloadAbort_DownloadF2F3At this point, if you do not want to continue this process, abort th

COMSPHERE 3900 Series Modems3-42 November 1996 3910-A2-GN32-30F1RemClone StatusBank1:xxxx/yyyyF2F3As data banks are transferred, the local and remote

DCP Operation3-433910-A2-GN32-30 November 1996F1RSL High (-dBm)Nxt  09F2F3In the example shown above, 09 is the upper (High) RSL threshold (in -d

COMSPHERE 3900 Series Modems3-44 November 1996 3910-A2-GN32-30To save the edited threshold(s):F1RSL High (-dBm)Nxt  10F2F3Press the key to sc

DCP Operation3-453910-A2-GN32-30 November 1996Table 3-8Valid Ranges for VF ThresholdsVF ThresholdsValid Ranges Default ValuesReceive Signal Level High

COMSPHERE 3900 Series Modemsiv November 1996 3910-A2-GN32-30List of FiguresFigure Page1-1 Model 3910 1-3. . . . . . . . . . . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-46 November 1996 3910-A2-GN32-30Test BranchThe Test branch of the Top-Level menu allows you to initiate various modem te

DCP Operation3-473910-A2-GN32-30 November 1996To access Abort from the Test branch, make the following selection:F1Test: >Abort SelfF2F3Select Abor

COMSPHERE 3900 Series Modems3-48 November 1996 3910-A2-GN32-30NOTEFor tributary modems only, the test is delayed 30 seconds to allowany outstanding ne

DCP Operation3-493910-A2-GN32-30 November 1996F1Test:Local LoopStartedF2F3NOTEFor tributary modems only, the test is delayed 30 seconds to allowany ou

COMSPHERE 3900 Series Modems3-50 November 1996 3910-A2-GN32-30To access Rem Digital Loop from the Test branch, make the following selections:F1Test:Re

DCP Operation3-513910-A2-GN32-30 November 1996To access Loc Digital Loop from the Test branch, make the following selections:F1Test:Loc_Digital_LoopF2

COMSPHERE 3900 Series Modems3-52 November 1996 3910-A2-GN32-30Figure 3-8. Pattern Test and Digital Loopback TestFigure 3-9. End-to-End Pattern TestTo

DCP Operation3-533910-A2-GN32-30 November 1996BlksErrd=xxxxxxx displays the number of blocks of data found in error (block size is 1000 bitsper block)

COMSPHERE 3900 Series Modems3-54 November 1996 3910-A2-GN32-30F1Sub-network HSNxt xxx yyyyyyF2F3When you select SubHS,xxx Displays the network mana

DCP Operation3-553910-A2-GN32-30 November 1996Call_Setup“Status”Status Configure PList Control TestSubHSTlk/Data Security RemoteDialDisconnectAnswerDi

Table of Contentsv3910-A2-GN32-30 November 1996List of TablesTable Page1-1 . . . . . . . . . . . . .

COMSPHERE 3900 Series Modems3-56 November 1996 3910-A2-GN32-30F1DialDirectory:Nxt 01:5551234F2F3To view other directory locations, select Nxt.F1Dial

DCP Operation3-573910-A2-GN32-30 November 1996For dial backup applications, the modem goes on-hook (hangs up) and the call is disconnected.The Command

COMSPHERE 3900 Series Modems3-58 November 1996 3910-A2-GN32-30496-13081-01MODEMMODEMLEASED-LINEFAILUREXXDIAL BACKUP LINEDIALSTANDBYRETURNTO DIALFigure

DCP Operation3-593910-A2-GN32-30 November 1996F1Dial StandbyCommand CompleteF2F3If the modem is operating in a Dial Backup mode, the Dial Standby func

COMSPHERE 3900 Series Modems3-60 November 1996 3910-A2-GN32-30Entering Telephone Numbers and Dial Command Modifiers into Directory LocationsThe follow

DCP Operation3-613910-A2-GN32-30 November 1996Table 3-9Valid Dial Command ModifiersDial command modifiers are parameters entered in the dial command s

COMSPHERE 3900 Series Modems3-62 November 1996 3910-A2-GN32-30F1Number StatusNxt 01:AllowedF2F3Select Nxt to display other directory locations.The s

DCP Operation3-633910-A2-GN32-30 November 1996The following sections describe three uses of the Talk/Data function.Manual Dialing When the Remote Mode

COMSPHERE 3900 Series Modems3-64 November 1996 3910-A2-GN32-30Manual Dialing When the Remote Modem is Configured for Manual AnswerNOTEOn both modems,

DCP Operation3-653910-A2-GN32-30 November 1996Remote BranchThe Remote branch of the Top-Level menu allows you to control the remote modem’s DCP usingt