COMSPHERE3800 SERIES MODEMSMODELS 3810, 3811, AND 3820USER’S GUIDEDocument No. 3810-A2-GB30-20November 1996
Table of Contentsiii3810-A2-GB30-20 November 199612. SecurityOverview 12-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems9-38 November 1996 3810-A2-GB30-20Table 9-6(5 of 6)V.42/MNP/Buffer Configuration Options*Break Buffr Ctl: Keep_DataNxt Kee
Configure Branch9-393810-A2-GB30-20 November 1996Table 9-6(6 of 6)V.42/MNP/Buffer Configuration Options*RxBuffDiscDelay: DisableNxt 0sec 60sec Disable
COMSPHERE 3800 Series Modems9-40 November 1996 3810-A2-GB30-20TestsThe Tests configuration options determine specifics,such as the duration of a test,
Configure Branch9-413810-A2-GB30-20 November 1996Table 9-7(2 of 2)Test Configuration OptionsV54 Address: DisableNxt Disable (Address Values)V.54 Addre
COMSPHERE 3800 Series Modems9-42 November 1996 3810-A2-GB30-20MiscThe Miscellaneous configuration options determinespecifics for various functions, in
Configure Branch9-433810-A2-GB30-20 November 1996Table 9-8(2 of 4)Miscellaneous Configuration OptionsSpeaker Volume: MediumNxt Medium Low HighSpeaker
COMSPHERE 3800 Series Modems9-44 November 1996 3810-A2-GB30-20Table 9-8(3 of 4)Miscellaneous Configuration Options*NetMngmtAddress:256 Nxt " 2
Configure Branch9-453810-A2-GB30-20 November 1996Table 9-8(4 of 4)Miscellaneous Configuration Options*NetworkPosition: TributaryNxt Tributary ControlN
COMSPHERE 3800 Series Modems9-46 November 1996 3810-A2-GB30-20Security ConfigurationOptionsThe Security Configuration Options group allows youto view
Configure Branch9-473810-A2-GB30-20 November 1996Table 9-9(2 of 2)Security Configuration Options*DTE_PW_BkSpChar: 008Nxt " 008DTE Password Backsp
COMSPHERE 3800 Series Modemsiv November 1996 3810-A2-GB30-20List of FiguresFigure Page2-1 Model 3810 and 3820 2-2. . . . . . . . . . . . . . . . . . .
10-13810-A2-GB30-20 November 1996Control BranchOverview 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems10-2 November 1996 3810-A2-GB30-20SpeakerSpeaker allows you to make temporary adjustments tothe modem’s speaker volume. Up
Control Branch10-33810-A2-GB30-20 November 1996Make Busy/Remove Make BusyThe Make Busy function forces the modem off-hook soit cannot answer a call. T
COMSPHERE 3800 Series Modems10-4 November 1996 3810-A2-GB30-20AT Command EquivalentThere is no AT Command Equivalent for Service Line.DownLoad CodeThe
Control Branch10-53810-A2-GB30-20 November 1996At this point, if you do not want to continue thisprocess, abort the transfer by selecting any function
COMSPHERE 3800 Series Modems10-6 November 1996 3810-A2-GB30-20As data banks are transferred, the local and remoteLCD’s bottom line displays the status
11-13810-A2-GB30-20 November 1996Remote BranchOverview 11-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems11-2 November 1996 3810-A2-GB30-20Remote BranchThe following conditions must be met before using theRemote branch:• A conn
Remote Branch11-33810-A2-GB30-20 November 1996F1Online : 19.2Control ExitRemF2F3If the remote modem accepts the password and theentry is suc
12-13810-A2-GB30-20 November 1996SecurityOverview 12-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contentsv3810-A2-GB30-20 November 1996List of TablesTables Page4-1 Model 3810 and Model 3811 DCP LEDs 4-4. . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems12-2 November 1996 3810-A2-GB30-20Originate Access SecurityOriginate Access lets you control who can originate acall from
Security12-33810-A2-GB30-20 November 1996NOTEWhile pulse dial can be used tooriginate the call, DTMF tonesmust be used for the password.This can be ac
COMSPHERE 3800 Series Modems12-4 November 1996 3810-A2-GB30-20Security BranchThe Security branch of the Top-Level menu allows youto change and save pa
Security12-53810-A2-GB30-20 November 1996Set Access CtrlSet Access Control allows you to change securityconfiguration. This function is protected by a
COMSPHERE 3800 Series Modems12-6 November 1996 3810-A2-GB30-20EditPasswdTableThe Password Table is the modem’s security database.It contains all essen
Security12-73810-A2-GB30-20 November 1996Table 12-1Edit Password Table Group OptionsPsWdType xxxxNxt Cleared DTE_Entry VF_Entry VF_plus_DTEPassword T
COMSPHERE 3800 Series Modems12-8 November 1996 3810-A2-GB30-20Set Answer SecSet Answer Security determines if dial access securityis enabled or disabl
Security12-93810-A2-GB30-20 November 1996Set Orig SecSet Originate Security controls whether or not themodem can originate a call using AT commands wh
COMSPHERE 3800 Series Modems12-10 November 1996 3810-A2-GB30-20Set Admin PsWdSet Administrative Password is used to change theAdministrative Password
Security12-113810-A2-GB30-20 November 1996F1Reset Security <Erase_All_PassWdF2F3To reset security, press until Erase_All_PassWdappears on
vii3810-A2-GB30-20 November 1996PrefaceObjectives and ReaderAssumptionsThis manual describes how to install and operate theCOMSPHEREr 3800 Series stan
COMSPHERE 3800 Series Modems12-12 November 1996 3810-A2-GB30-20A DTE-side password is entered after the modemshave trained, but before a normal connec
Security12-133810-A2-GB30-20 November 1996Table 12-5 is an example of a database table withpasswords configured for DTE Entry only. This type ofpasswo
COMSPHERE 3800 Series Modems12-14 November 1996 3810-A2-GB30-20Table 12-7 is an example of a security database tablethat uses paired VF and DTE passwo
13-13810-A2-GB30-20 November 1996Fax OperationOverview 13-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems13-2 November 1996 3810-A2-GB30-20There are no Diagnostic Control Panel (DCP) functionsunique to fax operation. If your fa
14-13810-A2-GB30-20 November 1996AT Command Set and S-RegistersOverview 14-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems14-2 November 1996 3810-A2-GB30-20Use the O command to return to Data mode fromonline Command mode. Enter the following co
AT Command Set and S-Registers14-33810-A2-GB30-20 November 1996AT Command FormatAT commands are entered in Command mode using thefollowing format:TYPE
COMSPHERE 3800 Series Modems14-4 November 1996 3810-A2-GB30-20Table 14-1(2 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescriptionDn (cont’
AT Command Set and S-Registers14-53810-A2-GB30-20 November 1996Table 14-1(3 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescriptionInIdenti
1-13810-A2-GB30-20 November 1996IntroductionOverview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems14-6 November 1996 3810-A2-GB30-20Table 14-1(4 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescriptionVnResult
AT Command Set and S-Registers14-73810-A2-GB30-20 November 1996Table 14-1(5 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription&CnL
COMSPHERE 3800 Series Modems14-8 November 1996 3810-A2-GB30-20Table 14-1(6 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription&Fn (
AT Command Set and S-Registers14-93810-A2-GB30-20 November 1996Table 14-1(7 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription&I D
COMSPHERE 3800 Series Modems14-10 November 1996 3810-A2-GB30-20Table 14-1(8 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription&Mna
AT Command Set and S-Registers14-113810-A2-GB30-20 November 1996Table 14-1(9 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription&Tn
COMSPHERE 3800 Series Modems14-12 November 1996 3810-A2-GB30-20Table 14-1(10 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription\AnMaxi
AT Command Set and S-Registers14-133810-A2-GB30-20 November 1996Table 14-1(11 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription\QnFlo
COMSPHERE 3800 Series Modems14-14 November 1996 3810-A2-GB30-20Table 14-1(12 of 12)3800 Series AT CommandsATCommandFront PanelBranchDescription%Bn (co
AT Command Set and S-Registers14-153810-A2-GB30-20 November 1996S-Register ListS-registers affect the operating parameters of the 3800 Series modems.
COMSPHERE 3800 Series Modems1-2 November 1996 3810-A2-GB30-20FeaturesThe 3800 Series modems have a wide variety offeatures.• Dial-Line Modulations: V.
COMSPHERE 3800 Series Modems14-16 November 1996 3810-A2-GB30-20Table 14-2(1 of 11)3800 Series S-RegistersS-RegisterDescription Front Panel BranchS0 Au
AT Command Set and S-Registers14-173810-A2-GB30-20 November 1996Table 14-2(2 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS8 ‘
COMSPHERE 3800 Series Modems14-18 November 1996 3810-A2-GB30-20Table 14-2(3 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS35 A
AT Command Set and S-Registers14-193810-A2-GB30-20 November 1996Table 14-2(4 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS38
COMSPHERE 3800 Series Modems14-20 November 1996 3810-A2-GB30-20Table 14-2(5 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS43 V
AT Command Set and S-Registers14-213810-A2-GB30-20 November 1996Table 14-2(6 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS47
COMSPHERE 3800 Series Modems14-22 November 1996 3810-A2-GB30-20Table 14-2(7 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS53 V
AT Command Set and S-Registers14-233810-A2-GB30-20 November 1996Table 14-2(8 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS62
COMSPHERE 3800 Series Modems14-24 November 1996 3810-A2-GB30-20Table 14-2(9 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS69 M
AT Command Set and S-Registers14-253810-A2-GB30-20 November 1996Table 14-2(10 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS80
2-13810-A2-GB30-20 November 1996Model 3810 and 3820 InstallationOverview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems14-26 November 1996 3810-A2-GB30-20Table 14-2(11 of 11)3800 Series S-RegistersS-Register Front Panel BranchDescriptionS88
A-13810-A2-GB30-20 November 1996Menu TreeOverview A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsA-2 November 1996 3810-A2-GB30-20Call_Setup Tlk/Data Status Test“Status”DialDisconnectAnswerDial_StandbyorReturn_to_DialCh
Menu TreeA-33810-A2-GB30-20 November 1996ConfigureActiv (Operating)Active (Saved)Customer1Customer2 FactoryAsync_DialSync_DialSync_LeasedUNIX_DialChoo
COMSPHERE 3800 Series ModemsA-4 November 1996 3810-A2-GB30-20Control RemoteSpeakerResetMake_BusyorRemoveMakeBusyService_LineorDiscServLineDownload Cod
B-13810-A2-GB30-20 November 1996Result CodesTable B-1(1 of 2)Result CodesNumbers (1) Numbers (2) Word Description0 0 OK Command executed1 1 CONNECT Mo
COMSPHERE 3800 Series ModemsB-2 November 1996 3810-A2-GB30-20Table B-1(2 of 2)Result CodesNumbers (1) DescriptionWordNumbers (2)21 11 CONNECT 4800/ EC
C-13810-A2-GB30-20 November 1996TroubleshootingOverview C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsC-2 November 1996 3810-A2-GB30-20Table C-2Modem – DTE ConnectionSymptomActionModem does not acceptor echo back ATcommandsV
TroubleshootingC-33810-A2-GB30-20 November 1996Table C-3(2 of 2)Modem – VF ConnectionSymptom ActionOriginate ModeVerify that the modem’s DTE Dialer co
COMSPHERE 3800 Series Modems2-2 November 1996 3810-A2-GB30-20496-13096-02EIA-232-D INTERFACENMS DIAL/LEASED (3820)PHONE/LEASED (3810)AC POWER INON/OFF
COMSPHERE 3800 Series ModemsC-4 November 1996 3810-A2-GB30-20Table C-4Online OperationSymptomActionData scrambled Verify that the character format (da
D-13810-A2-GB30-20 November 1996Technical SpecificationsTechnical Specifications D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsD-2 November 1996 3810-A2-GB30-20Table D-1(2 of 4)Technical Specifications for 3800 Series ModemsSpecifications Descriptio
Technical SpecificationsD-33810-A2-GB30-20 November 1996Table D-1(3 of 4)Technical Specifications for 3800 Series ModemsSpecifications DescriptionDIME
COMSPHERE 3800 Series ModemsD-4 November 1996 3810-A2-GB30-20Table D-1(4 of 4)Technical Specifications for 3800 Series ModemsSpecifications Descriptio
E-13810-A2-GB30-20 November 1996Pin AssignmentsOverview E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsE-2 November 1996 3810-A2-GB30-20Table E-1EIA-232-D Pin AssignmentsRS-232PinNameEIACircuitCCITTSignalSourceCircuit Functio
Pin AssignmentsE-33810-A2-GB30-20 November 1996EIA RS-366-A PinAssignmentsTable E-2 lists the EIA-366-A pin assignments for themodem.Table E-2EIA RS-3
COMSPHERE 3800 Series ModemsE-4 November 1996 3810-A2-GB30-20VF Connector PinAssignmentsTables E-3 and E-4 list the connector pin assignmentsfor Model
Pin AssignmentsE-53810-A2-GB30-20 November 1996Table E-3VF Connector Pin Assignments: Models 3810 and 3820Pin3810 Phone/LeasedConnector (J6)3810 Dial
Model 3810 and 3820 Installation2-33810-A2-GB30-20 November 1996Customer-Supplied EquipmentThe following customer-supplied equipment isrequired to com
F-13810-A2-GB30-20 November 1996CCITT V.25bis Dialing Commandsand ResponseOverview F-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsF-2 November 1996 3810-A2-GB30-20Call Request CommandsCall Request commands are issued from the DTE tothe modem and are re
CCITT V.25bis Dialing Commands and ResponseF-33810-A2-GB30-20 November 1996Call Answer CommandsCall Answer commands disable or enable the modem’sAutoA
COMSPHERE 3800 Series ModemsF-4 November 1996 3810-A2-GB30-20Command ResponseA Command Response indicates that the commandentered was a valid or inval
CCITT V.25bis Dialing Commands and ResponseF-53810-A2-GB30-20 November 1996Table F-2 lists V.25bis response messages supported bythe 3800 Series modem
G-13810-A2-GB30-20 November 1996Default Configuration OptionsOverview G-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series ModemsG-2 November 1996 3810-A2-GB30-20Table G-1(2 of 4)Factory Default Configuration OptionsConfiguration OptionSync Leased Ans
Default Configuration OptionsG-33810-A2-GB30-20 November 1996Table G-1(3 of 4)Factory Default Configuration OptionsConfiguration OptionSync Leased Ans
COMSPHERE 3800 Series ModemsG-4 November 1996 3810-A2-GB30-20Table G-1(4 of 4)Factory Default Configuration OptionsConfiguration OptionSync Leased Ans
H-13810-A2-GB30-20 November 1996Equipment ListEquipment Feature/Part NumberModel 3810 (115V) 3810-A1-001Model 3810 (220–240V) 3810-A1-301Model 3811 38
COMSPHERE 3800 Series Modems2-4 November 1996 3810-A2-GB30-20Connecting Model 3810 and Model 3820Modems with Supplied CablesFigure 2-2 and Figure 2-3
Glossary-13810-A2-GB30-20 November 1996GlossaryActive (Operating) A configuration area containing configuration options currently in use by the modem.
COMSPHERE 3800 Series ModemsGlossary-2 November 1996 3810-A2-GB30-20automatic dial backup When leased-line operation fails, this function forces the m
GlossaryGlossary-33810-A2-GB30-20 November 1996CCITT V.17 A fax communications standard for modems operating half-duplex with synchronousdata at 14,40
COMSPHERE 3800 Series ModemsGlossary-4 November 1996 3810-A2-GB30-20Configure Top-Level menu branch that contains all the modem’s configuration option
GlossaryGlossary-53810-A2-GB30-20 November 1996digital signalA signal composed of only two discrete values, representing the binary digits 0 and 1.dir
COMSPHERE 3800 Series ModemsGlossary-6 November 1996 3810-A2-GB30-20Group IIIA fax standard that specifies a rate of transmission of about one page pe
GlossaryGlossary-73810-A2-GB30-20 November 1996modem (Modulator/DEModulator). A device that transforms signals from digital to analog formand vice ver
COMSPHERE 3800 Series ModemsGlossary-8 November 1996 3810-A2-GB30-20register A part of the modem’s memory that contains values that determine the mode
GlossaryGlossary-93810-A2-GB30-20 November 1996synchronous transmissionData transmission that is synchronized by timing signals. Characters are sent a
Index-13810-A2-GB30-20 November 1996IndexAA/ (Repeat Last Command), 14-3Abort (Test branch), 8-2ac powerconnection, 2-7requirements, D-2Access from Re
COMSPHERE 3800 Series ModemsA November 1996 3810-A2-GB30-20COMSPHERE 3800 Series Modems Models 3810, 3811, and 3820User’s Guide3810-A2-GB30-203rd Edit
Model 3810 and 3820 Installation2-53810-A2-GB30-20 November 1996To ensure compliance with FCC Part 15 Regulations, aferrite choke must be installed on
COMSPHERE 3800 Series ModemsIndex-2 November 1996 3810-A2-GB30-20Automatic Make Busy, 9-24automatic redialing, 9-19, 9-24, 9-32, 14-19AutoSync, 14-10B
IndexIndex-33810-A2-GB30-20 November 1996Directory Location 1 Callback (S67), 14-23disabled commands, 9-42Disconnect, 5-3display, revision, serial, mo
COMSPHERE 3800 Series ModemsIndex-4 November 1996 3810-A2-GB30-20LLCD display, 4-6LdEditAreafrm, 9-5Leased Line Carrier On Level (S48), 14-21Leased Li
IndexIndex-53810-A2-GB30-20 November 1996Repeat Last Command (A/), 14-3replacing modems, 2-8, 3-4Reset, 10-2Reset and Load Active (Z), 14-6Reset Secur
COMSPHERE 3800 Series ModemsIndex-6 November 1996 3810-A2-GB30-20TTalk mode, 6-2Talk/Data branch, 6-1technical specifications, D-1telephone connection
COMSPHERE 3800 Series Modems2-6 November 1996 3810-A2-GB30-20Dial Network ConnectionThe telephone company provides the line terminationjacks for the t
Model 3810 and 3820 Installation2-73810-A2-GB30-20 November 1996Model 3810 4-Wire/2-WireLeased-Line ConnectionUse the following procedures to connect
COMSPHERE 3800 Series Modems2-8 November 1996 3810-A2-GB30-20Modem Power-UpOnce your modem is properly connected to the DTE,dial and/or leased lines,
3-13810-A2-GB30-20 November 1996Model 3811 InstallationOverview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems3-2 November 1996 3810-A2-GB30-20496-13155-02TXDRXDRTSCTSDSRDTRLSD103104105106107108109PwrAlrmTestDialRIBusyServSQStatusFr
Model 3811 Installation3-33810-A2-GB30-20 November 1996The installation of a Model 3811 varies slightly if anSDCP is installed on the front of the car
COMSPHERE 3800 Series Modems3-4 November 1996 3810-A2-GB30-20If the modem is to communicate with an installedSDCP, install the modem as described abov
4-13810-A2-GB30-20 November 1996DCP OperationOverview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems4-2 November 1996 3810-A2-GB30-20CTS TXD LSD RXD105106103109COMSPHERE 3820496-13068-02F1 F2F3RTS104SQFigure 4-1. Model 38
Safety InstructionsB3810-A2-GB30-20 November 1996Important Safety Instructions1. Read and follow all warning notices and instructions marked on the pr
DCP Operation4-33810-A2-GB30-20 November 1996Model 3811 Faceplate and SharedDiagnostic Control PanelThe SDCP, is used to manage carrier-mounted Model3
COMSPHERE 3800 Series Modems4-4 November 1996 3810-A2-GB30-20Status IndicatorsThe 3800 Series modems’ status indicatorscontinuously provide informatio
DCP Operation4-53810-A2-GB30-20 November 1996DCP LEDs for the standalone Model 3820 are listedand described in Table 4-2.The SDCP LEDs are listed and
COMSPHERE 3800 Series Modems4-6 November 1996 3810-A2-GB30-20Diagnostic Control Panel OperationThe 3800 Series modem’s diagnostic control panel(DCP) i
DCP Operation4-73810-A2-GB30-20 November 1996 KeyThe key moves you up one level in the menu tree. and KeysUse the and keys to move the
COMSPHERE 3800 Series Modems4-8 November 1996 3810-A2-GB30-20Top-Level Menu Status and Operational MessagesAccess to all menu tree branches from the D
DCP Operation4-93810-A2-GB30-20 November 1996Table 4-4(2 of 3)Top-Level Menu StatusCall FailureMessagesIndicatesBusy SignalThe answering modem is busy
COMSPHERE 3800 Series Modems4-10 November 1996 3810-A2-GB30-20Table 4-4(3 of 3)Top-Level Menu StatusDial Backup MessagesIndicatesDial Standby The mode
DCP Operation4-113810-A2-GB30-20 November 1996Messages listed in Table 4-5 are common operationalmessages that occur during modem operation. Thesemess
COMSPHERE 3800 Series Modems4-12 November 1996 3810-A2-GB30-20Messages listed in Table 4-6 are dial access securitymessages that can occur when the op
COMSPHERE 3800 Series ModemsC November 1996 3810-A2-GB30-20NoticesTHIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIG
DCP Operation4-133810-A2-GB30-20 November 1996Selecting FactoryConfiguration OptionsAfter the modem passes the power-up self-test,configure it for ope
COMSPHERE 3800 Series Modems4-14 November 1996 3810-A2-GB30-20• On initial power-up, the modem is in Commandmode. To verify that the modem is connecte
DCP Operation4-153810-A2-GB30-20 November 1996Diagnostic Control PanelSecurity AccessNOTEThis page of the manual isself-supporting and can beremoved t
5-13810-A2-GB30-20 November 1996Call Setup BranchOverview 5-1ă. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems5-2 November 1996 3810-A2-GB30-20Call Setup BranchIn the following descriptions, the shaded key indicateswhat key to press
Call Setup Branch5-33810-A2-GB30-20 November 1996DisconnectDisconnect allows the modem to go on-hook (hangup). Use this function when you want to disc
COMSPHERE 3800 Series Modems5-4 November 1996 3810-A2-GB30-20Dial Standby/Return to DialThe Dial Standby and Return to Dial functions appearon the LCD
Call Setup Branch5-53810-A2-GB30-20 November 1996F1Dial StandbyCommand CompleteF2F3If the modem is operating in a Dial Backup mode, theDial Standby fu
COMSPHERE 3800 Series Modems5-6 November 1996 3810-A2-GB30-20F101 : 9W5556789 z NxtąąąĄ"#F2F3To save the number just entered, scroll to the nextd
6-13810-A2-GB30-20 November 1996Talk/Data BranchOverview 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety InstructionsD3810-A2-GB30-20 November 1996Government Requirements and Equipment ReturnCertain governments require that instructions pertaining
COMSPHERE 3800 Series Modems6-2 November 1996 3810-A2-GB30-20Manual Dialing when the Remote Modem Is Configured for Auto-AnswerIf you are originating
7-13810-A2-GB30-20 November 1996Status BranchOverview 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems7-2 November 1996 3810-A2-GB30-20Status BranchTo access Status from the Top-Level menu, make thefollowing selections:F1Idl
Status Branch7-33810-A2-GB30-20 November 1996IdentityIdentity displays the modem’s serial number, modelnumber, firmware revision level, hardware part
COMSPHERE 3800 Series Modems7-4 November 1996 3810-A2-GB30-20DTEDTE displays the state and/or activity of theEIA-232-D interface leads: LSD, DTR, DSR,
Status Branch7-53810-A2-GB30-20 November 1996OptionsThe Options Status function displays all optionalfirmware features currently installed in the mode
8-13810-A2-GB30-20 November 1996Test BranchOverview 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems8-2 November 1996 3810-A2-GB30-20Test BranchTo access the Test branch from the Top-Level menu,make the following selection
Test Branch8-33810-A2-GB30-20 November 1996Loc Analog LoopLoc Analog Loop performs a local analog loopback(CCITT V.54 Loop 3), Figure 8-1, that verifi
COMSPHERE 3800 Series Modems8-4 November 1996 3810-A2-GB30-20Rem Digital LoopRem Digital Loop performs a remote digital loopback(CCITT V.54 Loop 2), F
COMSPHERE 3800 Series ModemsE November 1996 3810-A2-GB30-208. This equipment cannot be used on public coin service provided by the telephone company.C
Test Branch8-53810-A2-GB30-20 November 1996Loc Digital LoopLoc Digital Loop is issued by a local modem andforces it to loopback any data received from
COMSPHERE 3800 Series Modems8-6 November 1996 3810-A2-GB30-20PatternPattern can transmit and receive a 511 bit error rate testpattern. It can also be
Test Branch8-73810-A2-GB30-20 November 1996Figure 8-6. End-to-End Pattern TestTo access Pattern from the Test branch, make thefollowing selections:F1T
9-13810-A2-GB30-20 November 1996Configure BranchOverview 9-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems9-2 November 1996 3810-A2-GB30-20Figures 9-1 and 9-2 graphically display the interactionbetween the edit area and configur
Configure Branch9-33810-A2-GB30-20 November 1996Active (Saved)(ATZ0, ATZ3)LOAD Active (Operating) USING ATZ OR AT&F COMMANDActive (Operating)CHANG
COMSPHERE 3800 Series Modems9-4 November 1996 3810-A2-GB30-20Configure BranchThe Configure branch of the Top-Level menu containsall of the modem’s con
Configure Branch9-53810-A2-GB30-20 November 1996The Configure branch consists of the following threelevels:•Ld EditArea frm. Allows the selection of t
COMSPHERE 3800 Series Modems9-6 November 1996 3810-A2-GB30-20Select Nxt until RemAccssPasswrd appears.F1RemAccssPasswrdNxtąĄ°00000000F2F3Select the F2
Configure Branch9-73810-A2-GB30-20 November 1996Configuration TablesThe modem’s configuration options are arranged into eight groups based upon functi
Safety InstructionsF3810-A2-GB30-20 November 1996Repairs to certified equipment should be made by an authorized Canadian maintenance facilitydesignate
COMSPHERE 3800 Series Modems9-8 November 1996 3810-A2-GB30-20Table 9-1(1 of 7)DTE Interface Configuration OptionsAsync/Sync Mode: AsyncNxt Async S
Configure Branch9-93810-A2-GB30-20 November 1996Table 9-1(2 of 7)DTE Interface Configuration OptionsParity Bit: NoneNxt None Even Odd Mark SpaceParity
COMSPHERE 3800 Series Modems9-10 November 1996 3810-A2-GB30-20Table 9-1(3 of 7)DTE Interface Configuration OptionsDTR Action: IgnoreNxt Stndrd_RS232
Configure Branch9-113810-A2-GB30-20 November 1996Table 9-1(4 of 7)DTE Interface Configuration OptionsDSR Control (cont’d)Delay to Data – Operation is
COMSPHERE 3800 Series Modems9-12 November 1996 3810-A2-GB30-20Table 9-1(5 of 7)DTE Interface Configuration OptionsCTS Control: Forced_OnNxt Forced_On
Configure Branch9-133810-A2-GB30-20 November 1996Table 9-1(6 of 7)DTE Interface Configuration OptionsLSD Control: Stndrd_RS232Nxt Stndrd_RS232 F
COMSPHERE 3800 Series Modems9-14 November 1996 3810-A2-GB30-20Table 9-1(7 of 7)DTE Interface Configuration OptionsCT111_Rate Cntl: DisableNxt Disable
Configure Branch9-153810-A2-GB30-20 November 1996DTE DialerThe DTE Dialer configuration options establish theDTE-to-modem protocol for call establishm
COMSPHERE 3800 Series Modems9-16 November 1996 3810-A2-GB30-20Table 9-2(2 of 5)DTE Dialer Configuration Options*AT Escape Char: 043 ASCINxt " 043
Configure Branch9-173810-A2-GB30-20 November 1996Table 9-2(3 of 5)DTE Dialer Configuration Options*Backspace Char: 008 ASCINxt ↑ 008 ASCIBackspace Cha
i3810-A2-GB30-20 November 1996Table of ContentsPrefaceObjectives and Reader Assumptionsvii. . . . . . . . . . . . . . . . . . . . . . . . . . . How to
COMSPHERE 3800 Series Modems9-18 November 1996 3810-A2-GB30-20Table 9-2(4 of 5)DTE Dialer Configuration Options*ResultCode Form: WordsNxt Words Number
Configure Branch9-193810-A2-GB30-20 November 1996Table 9-2(5 of 5)DTE Dialer Configuration OptionsV.25b NewLineChr: CR+LFNxt CR+LF CR LFV.25bis New Li
COMSPHERE 3800 Series Modems9-20 November 1996 3810-A2-GB30-20Line DialerThe Line Dialer configuration options establishparameters used by the modem t
Configure Branch9-213810-A2-GB30-20 November 1996Table 9-3(2 of 6)Line Dialer Configuration OptionsBlind Dial Paus: 2secNxt 2sec 4sec 6sec 8sec 10sec
COMSPHERE 3800 Series Modems9-22 November 1996 3810-A2-GB30-20Table 9-3(3 of 6)Line Dialer Configuration OptionsFast Disconnect: DisableNxt Disable En
Configure Branch9-233810-A2-GB30-20 November 1996Table 9-3(4 of 6)Line Dialer Configuration OptionsNo Carrier Disc: 2secNxt 2sec 5sec Disable 10sec 20
COMSPHERE 3800 Series Modems9-24 November 1996 3810-A2-GB30-20Table 9-3(5 of 6)Line Dialer Configuration OptionsAuto Make Busy: DisableNxt Disable Ena
Configure Branch9-253810-A2-GB30-20 November 1996Table 9-3(6 of 6)Line Dialer Configuration OptionsMI/MIC Dialing: DisableEnd Disable EnableMI/MIC Dia
COMSPHERE 3800 Series Modems9-26 November 1996 3810-A2-GB30-20Dial LineThe Dial Line configuration options are used toconfigure the modem for operatio
Configure Branch9-273810-A2-GB30-20 November 1996Table 9-4(2 of 3)Dial Line Configuration OptionsV32bis Autorate: EnableNxt Enable Disable StartAt48
COMSPHERE 3800 Series Modemsii November 1996 3810-A2-GB30-204. DCP OperationOverview 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMSPHERE 3800 Series Modems9-28 November 1996 3810-A2-GB30-20Table 9-4(3 of 3)Dial Line Configuration OptionsV32bis Train: LongNxt Long ShortV.32bis
Configure Branch9-293810-A2-GB30-20 November 1996Leased LineThe Leased Line configuration options are used toconfigure the modem for operation over le
COMSPHERE 3800 Series Modems9-30 November 1996 3810-A2-GB30-20Table 9-5(2 of 5)Leased Line Configuration OptionsV32bis Autorate: EnableNxt Enable Disa
Configure Branch9-313810-A2-GB30-20 November 1996Table 9-5(3 of 5)Leased Line Configuration OptionsBdLn Auto Orig: DisableNxt Disable Enable FastBack
COMSPHERE 3800 Series Modems9-32 November 1996 3810-A2-GB30-20Table 9-5(4 of 5)Leased Line Configuration OptionsRate Auto Orig: DisableNxt Disable
Configure Branch9-333810-A2-GB30-20 November 1996Table 9-5(5 of 5)Leased Line Configuration OptionsAutoDialStandby: DisableNxt Disable 15min 30min 1hr
COMSPHERE 3800 Series Modems9-34 November 1996 3810-A2-GB30-20V.42/MNP/BufferV.42/MNP/Buffer configuration options determine thetype of error correcti
Configure Branch9-353810-A2-GB30-20 November 1996Table 9-6(2 of 6)V.42/MNP/Buffer Configuration Options*Err Contrl Mode (cont.)Direct Mode – Modem con
COMSPHERE 3800 Series Modems9-36 November 1996 3810-A2-GB30-20Table 9-6(3 of 6)V.42/MNP/Buffer Configuration Options*EC Negotiat Bfr: DisableNxt Disab
Configure Branch9-373810-A2-GB30-20 November 1996Table 9-6(4 of 6)V.42/MNP/Buffer Configuration Options*Flw Cntl of Mdm: DisableNxt Disable XON/XOFF R
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