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3600Modem User’s Guide

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AT Commands5-44 Modem 3600Remote Configuration DTE Speed *RBThis option forces DTE speed to a particular setting, if desired.Remote Configuration Fo

AT CommandsModem 3600 5-45Remote Configuration Saving or Discarding Options *RQThis option allows the opportunity to discard an undesirable option.C

Modem 36006-1Chapter 6ProtocolsCCITT V.42 bis Error Control ProtocolV.42 bis is an industry standard for error control adopted by the Consultative Co

Protocols6-2 Modem 3600Auto-Reliable ModeIn auto-reliable mode the modem negotiates to the highest protocol (LAPM or MNP) common to both modems. Howev

ProtocolsModem 3600 6-3Direct ModeThe DTE speed and DCE speed are forced to be the same. No error control or buffering.NoteIn direct mode, with the DC

Protocols6-4 Modem 3600Disconnect Buffer Delay %DSelect a delay during which the modem processes data in its transmit and receive buffers before disc

ProtocolsModem 3600 6-5Serial Port (DTE) Constant Speed \JThe \J command allows DCE and DTE to operate at different speeds. The \J1 command forces se

Protocols6-6 Modem 3600Operating Mode \NSelect the V.42 bis mode to be used in data mode. An \Nn command issued during command mode while a connect

ProtocolsModem 3600 6-7Serial Port Flow Control \QThe \Q commands set the type of flow control used by the serial port. If the serial port speed exc

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Protocols6-8 Modem 3600XON/XOFF Pass Through \XThis option is active when flow control of the modem by the DTE has been selected for XON/XOFF and th

ProtocolsModem 3600 6-9Note The Modem 3600 will transmit the XON/XOFF characters to start/stop data transmission from the remote modem. The Modem 3600

Protocols6-10 Modem 3600A break is sent to the serial port while the modem is in connect state during a direct connection (no protocol, data not buffe

ProtocolsModem 3600 6-11Maximum Reliable Block Size \AThe \A command sets the maximum transmit block size for MNP connections. Use this command to f

Protocols6-12 Modem 3600V.42bis Data Compression %CThe %C command determines application of data compression while running LAPM protocol. Command Op

Modem 36007-1Chapter 7 Test Mode OperationDiagnostic tests are used to isolate faults in the communications path. Diagnostic tests terminate after th

Test Mode Operation7-2 Modem 3600NoteThese tests do not apply to fax mode and should only be performed when the modem is configured for data operation

Test Mode OperationModem 3600 7-3For example, to run the self test analog loopback test for 30 seconds, enter ATS18=30&T8The modem should respond

Test Mode Operation7-4 Modem 3600For 2-wire operation, Analog Bilateral Loopback is invalid. In 4-wire operation, Analog Bilateral Loopback connects t

Test Mode OperationModem 3600 7-5Testing the Remote ModemUse LDL, RDL, and RDL/TP in the online data mode to test the remote modem and phone line. Ent

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Test Mode Operation7-6 Modem 3600Grant/Deny RDL Request &T4, &T5Local operators can deny a request from the remote modem for remote digital

Test Mode OperationModem 3600 7-7Remote Digital Loopback with Self Test &T7After making the data connection, enter the escape sequence to return

Test Mode Operation7-8 Modem 3600DTE Controlled Remote Digital Loopback (Pin 21) *RDTo enable DTE Controlled Remote Digital Loopback, enter *RD1. En

Modem 36008-1Chapter 8SecurityThe Modem 3600 series provides three features to assure secure operation of the modem. These features are front panel p

Security8-2 Modem 3600Low Security OperationLow security operation provides password protection against unauthorized dial-up access. High security is

SecurityModem 3600 8-3After receiving the $, the secure remote modem accepts the security code and waits for a carriage return. Entering more than ten

Security8-4 Modem 3600Set Password $S=xThe $S=x command sets an empty password location to x. This command only applies when no password or only one i

SecurityModem 3600 8-5Operating without High SecurityThe modem is factory set with security disabled. In this mode the local DTE is connected to the l

Security8-6 Modem 3600SuperuserThe superuser has access to all user information for administrative purposes and can change user logon requirements and

SecurityModem 3600 8-7After seven calls (the default in remote configuration), the ILLEGAL ATTEMPTS counter will have reached maximum and the user wil

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Security8-8 Modem 3600Setting Passwords $Pn=pw$pwSelect a password between 4 and 34 printable ASCII characters.To store the password enterAT$Pn=pw$p

SecurityModem 3600 8-9Level 1 security does not require a callback number; however, if the security level is changed to level 2 or 3 a callback number

Security8-10 Modem 3600The Modem 3600 responds by scrolling any illegal attempt information onto the screen as in the following example:USER NUMBER: 0

SecurityModem 3600 8-11Verify User Information $In, $IBnSecurity level and callback number can be displayed using either the $In or $IBn command. To

Security8-12 Modem 3600If the password entry is incorrect, the password entry field will be cleared and the remote user will be allowed further entrie

Modem 36009-1Chapter 9 Fax OperationThe Modem 3600 can send and receive fax documents at speeds up to 14,400 bps, with the appropriate software. As a

Fax Operation9-2 Modem 3600Modem InitializationFor fax operation, most fax software packages are equipped with a fax initialization command string. En

Fax OperationModem 3600 9-3Fax Associated OptionsA number of options can be changed without any effect on fax operation. These include items like spea

Fax Operation9-4 Modem 3600The Class 1 standard assumes a serial asynchronous DTE-DCE connection using EIA-232D (or CCITT V.24) circuits. EIA-232D cir

Fax OperationModem 3600 9-5After dialing the specified number in fax mode, the modem generates 1100 Hz CNG tones in accordance with T.30 while trying

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Fax Operation9-6 Modem 3600Off Hook H1The H1 command instructs the modem to go off hook. In fax mode, this might be used when the user has used manu

Fax OperationModem 3600 9-7Receive Silence +FRS=(Time)The command +FRS= causes the modem to listen for silence and report back an OK result code whe

Fax Operation9-8 Modem 3600The Modem 3600 returns an ERROR result code if any of the above commands are issued while the modem is on hook.Facsimile Tr

Fax OperationModem 3600 9-9HDLC Transmit +FTH=(Mod)+FTH=(Mod) causes the modem to transmit HDLC framed data using the modulation and speed selected

Fax Operation9-10 Modem 3600Class 1 Result Code +FCERRORIf the modem detects any carrier or tone that differs from that specified in a +FRM or +FRH

Modem 360010-1Chapter 10Status RegistersS-RegistersMost modem configuration information is stored in a part of memory called status (S) registers. Du

Status Registers10-2 Modem 3600Bit values for S-registers must not be confused with the total register value. Bit values are counted separately for ea

Status RegistersModem 3600 10-3S-Register Operation Sn?, Sn?^Enter ATSn? to read a register value, where n=register number for a decimal value

Status Registers10-4 Modem 3600Individual Bit Command Sn . # =vSome operators use AT commands as the primary method of changing S-register options.

Status RegistersModem 3600 10-5Escape Character S2The standard escape character is a + sign (ASCII value of 43). To change the character, set S2 to

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Status Registers10-6 Modem 3600Pause Interval for Comma S8When a dial command contains a comma, the modem pauses the number of seconds in S8. Change

Status RegistersModem 3600 10-7S13Not usedBit Mapped S14NoteIn the tables for bit mapped S-registers, bold text indicates bit value defaults. NoteW

Status Registers10-8 Modem 3600System Tests S16This register contains the status of system test options.S17Not usedTest Timeout S18Test timeout i

Status RegistersModem 3600 10-9Bit Mapped S21Bit ValueCommand Description6, 0 00 100111&S&S1&S2&S3DSR forced on DSR on when onlineD

Status Registers10-10 Modem 3600Bit Mapped S22Bit Mapped S23S24Not usedBit Value Command Description1, 0 00011011LL1L2L3Speaker volume lowSpeake

Status RegistersModem 3600 10-11DTR State Recognition S25The S25 register specifies the amount of time (0-255) in 0.01 second (10 ms) increments th

Status Registers10-12 Modem 3600Bit Mapped S29Bit Mapped S30S31ReservedBit Value CommandDescription0 01*NT1*NTEnable AT command setDisable AT comm

Status RegistersModem 3600 10-13Bit Mapped S32S33ReservedBit Mapped S34DTR / Dial Backup Number to Dial S35Select the number to automatically

Status Registers10-14 Modem 3600Remote Configuration Guard Time S42Select the remote configuration guard time (0-255) in 20 ms intervals. The defau

Status RegistersModem 3600 10-15Leased Line Transmit Level S52The S52 register selects leased line transmit level from 0 to -30 dBm in 1 dBm increm

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Status Registers10-16 Modem 3600Flow Control S54The S54 register selects the flow control options. S55ReservedBit Value Command Description1, 0 0001

Status RegistersModem 3600 10-17V.42 Compression Control S56Bit Mapped S57Inactivity Timer S58The S58 register specifies the number of minutes

Status Registers10-18 Modem 3600Break Control S59The S59 register determines the action taken when a break is encountered. Refer to the “Break Cont

Status RegistersModem 3600 10-19Bit Mapped S60DTE Options S61The S61 register indicates the character size and parity. This register is for refe

Status Registers10-20 Modem 3600Disconnect Buffer Delay S62The S62 register determines the delay before disconnect, to allow buff-ers to empty, whe

Status RegistersModem 3600 10-21Link Speed Status S67The S67 register indicates the true data link (DCE) speed. This register is for reference only

Status Registers10-22 Modem 3600DCE Independent Speed S69The S69 register selects the DCE independent rate operation. When S69 is 0, DTE and DCE rat

Status RegistersModem 3600 10-23Operating Mode S70The S70 register determines the protocol operating mode and action taken on an MNP link attempt fa

Status Registers10-24 Modem 3600Bit Mapped S72Password Timeout S73S73 sets the length of time the remote user has to enter a password before the s

Status RegistersModem 3600 10-25Callback Retry Delay S76The length of time that the modem waits, after an unsuccessful attempt to connect to the rem

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Status Registers10-26 Modem 3600Serial Port or DTE Speed S80The S80 register indicates the serial port speed. Bit Value Command Description4-0 0000

Status RegistersModem 3600 10-27Minimum DCE Speed S81Negotiation Status S82S83ReservedBit Value Command Description4-0 000000000100011001000010100

Status Registers10-28 Modem 3600Bit Mapped S84S85-S87ReservedModulation Type S88S89-S90ReservedBit Value Command Description 0 01-- Enable any k

Status RegistersModem 3600 10-29Current Modulation S91 The S91 register is for reference only.S92 - S94ReservedBit Value Command Description3-0 000000

Status Registers10-30 Modem 3600V.34 Settings S95V.34 Asymmetric Settings S96Bit Mapped S97S98- S100ReservedBit Value Command Description

Modem 360011-1Chapter 11V.25 bis AutodialerV.25 bis is an option that allows dialing functions to be controlled using synchronous data.Select V.25 bi

V.25 bis Autodialer11-2 Modem 3600Autodialer Command Strings and ParametersMost command strings for the autodialer include two parts: the command itse

V.25 bis AutodialerModem 3600 11-3&M3Manual dial/sync data&M4V.25 bis dialer/BISYNC protocol/sync data (ASCII)&M5V.25 bis dialer/SDLC prot

V.25 bis Autodialer11-4 Modem 36003) Any parameter containing too many characters.INVPVThis message has one of three possible meanings:1) Any paramete

V.25 bis AutodialerModem 3600 11-5Dial Command CRN nn...nThe dial command is a CRN followed by the number to be dialed nn...n. The modem accepts up

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V.25 bis Autodialer11-6 Modem 3600Intermediate Call Progress ResponseThe following response is given only if enabled. See Option Definition 002 below.

V.25 bis AutodialerModem 3600 11-7Request List of Stored Numbers RLNThe request list of stored numbers command is an RLN.Responses:INVCUInvalid comman

V.25 bis Autodialer11-8 Modem 3600Connect Incoming Call CICNo parameters are required. If there is an incoming call, the modem immediately answers t

V.25 bis AutodialerModem 3600 11-9If circular linking (1 to 8 to 7 to 1) is used, dialing is discontinued after the addressed number in the dial comma

V.25 bis Autodialer11-10 Modem 3600INVMSInvalid command - message syntax error.Example:RLL;LSLList linked numbers.In all LSL examples, if no number is

V.25 bis AutodialerModem 3600 11-11The modem must be able to accept 40 non-ignored characters besides the PRO command (leading zeros and semicolons ar

V.25 bis Autodialer11-12 Modem 3600• An out-of-range value for a particular option is specified In the above example, if the fourth value in the optio

V.25 bis AutodialerModem 3600 11-13INVCUInvalid command - command unknown.Example:TRPINVMSInvalid command - message syntax error.Examples:PRP;1 PRP QI

V.25 bis Autodialer11-14 Modem 3600The separator {sep} for BISYNC is an<etb><sp><sp><stx>LSO<sp>sequence for the sync fo

V.25 bis AutodialerModem 3600 11-15051: Primary transmit / receive rate007: 1200 bps008: 2400 bps034: 4800 bps 035: 9600 bps uncoded036: 9600 bps 04

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V.25 bis Autodialer11-16 Modem 3600064: Line current disconnect 0 - Off 1 - Short (8 ms) 2 - Long (90 ms) 2076: Speaker control 0 - Off 1 - On 4 - On

V.25 bis AutodialerModem 3600 11-17092: Guard tone 0 = None 1 = 550 Hz 2 = 1800 Hz0093: Carrier detect delay 0 - Off; 1 to 255 10 ms increments6 (60

V.25 bis Autodialer11-18 Modem 3600112 V.34 Select Threshold 000: Low001: Medium002: High113 V.34 Asymmetric bit rates 000: Disabled001: Enabled903: B

Modem 360012-1Chapter 12MaintenanceWarningDisconnect power before performing maintenance. Although dangerous voltage levels are not exposed, disconne

Maintenance12-2 Modem 3600Calling Technical SupportThe Service and Support page at the back of this User’s Guide contains several phone and faxback nu

V.3600 A-1Appendix ASpecificationsSize Width7.0 inches (17.78 cm)Depth10.5 inches (26.67 cm)Height2.25 inches (5.72 cm)Weight2 lbs. 13 oz. (1.28 kg

SpecificationsA-2 V.3600Modem Data Rates300, 1200, 2400, 4800, 7200, 9600, 12000, 14400, 16800, 19200, 21600, 24000, 26400, 28800, 31200, 33600 bps.Fa

SpecificationsV.3600 A-3Carrier Detect LevelDynamic to -43 dBmTelco Connection8-pin modular jack, dial and private linesTesting511 PN pattern (per V.5

V.3600 B-1Appendix B Phone Jack DescriptionsDIAL Pin FunctionsThe DIAL jack connects to the PSTN dial-up lines. Pin functions are as follows: TELSET

ii Modem 3600TrademarksAny trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

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Modem 3600 C-1Appendix CHardware OptionsJumper Option SelectionModem configuration is controlled by front panel pushbuttons and the LCD, AT or V.25 b

Hardware OptionsC-2 Modem 3600Figure C-1. Cover RemovalBottom ofthe modemSlots - Open the two slotson one side of the modemfirst. Then open the two

Hardware OptionsModem 3600 C-3Figure C-2 shows a typical jumper configuration. Figure C-2. Jumper Location for Ground Option

Hardware OptionsC-4 Modem 3600Figure C-3 shows a typical jumper configuration.Figure C-3. Typical Jumper ConfigurationGround Option JumperSignal groun

Modem 3600 D-1Appendix DFault Isolation ProcedureFault Isolation ProcedureThis diagnostic test procedure and the indicator lights built into the mode

Hardware OptionsD-2 Modem 3600Modem and Telephone Line CheckPart I1) Configure the modem for LOCAL ANALOG LOOP WITH TEST PATTERN. This terminates the

Hardware OptionsModem 3600 D-3Part IIThis part determines the performance of the local and remote modems and the telephone circuits. It also determine

Modem 3600 E-1Appendix ECommand Index and DefaultsGeneralThis reference guide provides asynchronous command characters and their descriptions. The pa

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Hardware OptionsE-2 Modem 3600 W page 5-14S7 Wait for 2nd dial tone (S7 value) ! -- Flash switchboard R -- Switch to answer mode after dialing ; -

Hardware OptionsModem 3600 E-3Sn? page 10-3-- Read value in register n (decimal) Sn?^ -- Read value in register n (hexadecimal) Sn=v -- Set v (value)

Hardware OptionsE-4 Modem 3600&D page 5-20S21 DTR ignored &D1 S21 DTR recalls command mode&D2 S21 DTR disconnects&D3 page 5-20S21 DTR

Hardware OptionsModem 3600 E-5&M page 5-25S27,S30Asynchronous dial / asynchronous data&M1 S27 Asynchronous dial / synchronous data&M2 S27

Hardware OptionsE-6 Modem 3600&T1 page 7-3-- Initiate analog loopback †&T3 page 7-5-- Initiate digital loopback †&T4 page 7-6S23 Grant r

Hardware OptionsModem 3600 E-7%A page 6-6S64 Disable auto-reliable fallback character %An S64 Set auto-reliable fallback character to n (n = ASCII 1-1

Hardware OptionsE-8 Modem 3600%D page 6-4S62 Disable disconnect buffer delay %Dn S62 Set disconnect buffer delay in seconds n (n = 1-255)%E page 5-30S

Hardware OptionsModem 3600 E-9%R page 5-30S53 Disable automatic rate adaption%R1 S53 Enable automatic rate adaption low BER%R2 S53 Enable automatic ra

Hardware OptionsE-10 Modem 3600\J page 6-5S72 Disable slaved DTE/DCE speed (constant speed DTE on)\J1 S72 Enable slaved DTE/DCE speed (constant speed

Hardware OptionsModem 3600 E-11\Q page 6-7S54 Disable DTE flow control \Q1 S54 Enable DTE XON/XOFF flowcontrol \Q2 S54 Enable CTS flow control to the

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Hardware OptionsE-12 Modem 3600*DA page 5-32-- Switches modem to talk mode †*DA1 -- Switches modem to data mode †*DB page 5-36S32 Manual dial backup o

Hardware OptionsModem 3600 E-13*MM7 page 5-27-- Reserved*MM8 -- V.29 4-wire leased only*MM9 -- Reserved*MM10 -- V.33 4-wire leased only*MM11 -- V.32 b

Hardware OptionsE-14 Modem 3600*RR13 page 5-31-- Rate negotiate to 33600 †*TDn page 5-33S51 Sets dial transmit level -10 to -30 dBm*TH page 5-27S97 L

Hardware OptionsModem 3600 E-15Caller ID CommandsDistinctive Ring CommandsFax CommandsClass 1 Commands Valid in Only Fax ModeCommand Page S-Reg Descri

Hardware OptionsE-16 Modem 3600+FTM=(MOD) page9-8Transmit data with (MOD) carrier *+FTS=(Time) page9-6Stop transmission and pause (10 ms intervals, 0

Hardware OptionsModem 3600 E-17Security CommandsCommand Page DescriptionLow Security$S=x page 8-4Sets an empty password location to x$C=x,y Changes e

Hardware OptionsE-18 Modem 3600$Pn=pw$pwpage 8-8Set user password; n = user number and new password (n = 0 for superuser pw = password)$Rn page 8-10Re

Hardware OptionsModem 3600 E-19Remote Configuration Commands Command Page Description%P=n page5-42Set remote configuration security code to value n (0

Hardware OptionsE-20 Modem 3600*RF page5-447 data bits, mark parity, 1 stop bit*RF1 7 data bits, no parity, 2 stop bits*RF2 7 data bits, odd parity, 1

Hardware OptionsModem 3600 E-21Status RegistersS-RegRO/RWPage FunctionDefaultFactory Set #1S0 RW page 10-4Ring to answer 1S1 RO Ring count 0S2 RW Esc

Modem 36001-1Chapter 1IntroductionThe Modem 3600 provides synchronous, asynchronous, and fax capabilities for data communications or facsimile links

Hardware OptionsE-22 Modem 3600S32 RW page 10-13Bit mapped 06 hexS34 RW Bit mapped 60 hexS35 RW Default dial number 1S41 RW page 10-13Remote configura

Hardware OptionsModem 3600 E-23S70 RW page 10-23Protocol operating mode 0f hexS71 RO Protocol operating mode status0S72 RW page 10-24Bit mapped 0S73 R

Hardware OptionsE-24 Modem 3600V.25 bis Dialer CommandsSynchronous Command Page DescriptionCIC page11-8Connect incoming call commandCRN nn...n page11-

Hardware OptionsModem 3600 E-25PRPn page11-12Restores current option settings to the factory defaults in default bank n (1-9)RLL page11-9Request list

Hardware OptionsE-26 Modem 3600V.25 Response MessagesResponse Message MeaningCFIAB Call failure - answer back tone but no connectionCFIDT Call failur

Hardware OptionsModem 3600 E-27CNX @ 7200 bps Intermediate call progress - connection made at 7200CNX @ 4800 bps Intermediate call progress - connecti

Hardware OptionsE-28 Modem 3600Factory Option SetsFactory Option Set #1(Asynchronous Dial-up with V.42 bis Protocol) (AT&F or AT&F1)MODEM OPTI

Hardware OptionsModem 3600 E-29Factory Option Set # 2(Asynchronous Dial-up without V.42 bis Protocol) (AT&F2)MODEM OPTIONS TEST OPTIONS DCE rate -

Hardware OptionsE-30 Modem 3600Factory Option Set #3(Synchronous Dial-up) (AT&F3)MODEM OPTIONS TEST OPTIONS DCE rate - 33600 Bilateral digital loo

Hardware OptionsModem 3600 E-31Factory Option Set # 4(Synchronous 4-wire Leased Line) (AT&F4)MODEM OPTIONS TEST OPTIONS DCE rate - 33600 Bilateral

Introduction1-2 Modem 3600Features The Modem 3600 is a flexible telecommunications tool that offers the following standard features. Data Mode • Full-

Hardware OptionsE-32 Modem 3600Factory Option Set #5(Asynchronous 4-wire Leased Line with V.42bis Protocol)(AT&F5)MODEM OPTIONS TEST OPTIONS DCE r

Hardware OptionsModem 3600 E-33Factory Option Set # 6(Asynchronous 4-wire Leased Line without V.42bis Protocol) (AT&F6)MODEM OPTIONS TEST OPTIONS

Hardware OptionsE-34 Modem 3600Factory Option Set # 7 (Synchronous 2-wire Leased Line Normal Originate) (AT&F7)MODEM OPTIONS TEST OPTIONS DCE rate

Hardware OptionsModem 3600 E-35Factory Option Set # 8 (Synchronous 2-wire Leased Line Forced Answer) (AT&F8)MODEM OPTIONS TEST OPTIONS DCE rate -

Hardware OptionsE-36 Modem 3600Factory Option Set #9 (Synchronous V.25bis Dialer) (AT&F9)MODEM OPTIONS TEST OPTIONS DCE rate - 33600 Bilateral dig

Modem 3600 F-1Appendix FASCII and EBCDIC CharactersHexadecimal equivalents of binary and decimal numbers are as follows. Hexadecimal Examples: Binary

Hardware OptionsF-2 Modem 3600The following table lists ASCII decimal, hexadecimal, and equivalent character values, and EBCDIC characters. The table

Hardware OptionsModem 3600 F-3(ESC) 27 1B C1 (CU1) [(FS) 28 1C FS (form separator) \(GS) 29 1D GS (group separator) ](RS) 30 1E RS (record separator)

Hardware OptionsF-4 Modem 36007 55 37 ET (end of transmission)85638--95739--:583A--;593BC3 (CU3)< 60 3C D4 (device control 4)= 61 3D NK (no acknowl

Hardware OptionsModem 3600 F-5V8656--W8757--X8858--Y 89 59 ! (exclamation)Z 90 5A $ (dollar sign)[ 91 5B * (asterisk)\ 92 5C ) (close parenthesis)] 93

IntroductionModem 3600 1-3• Caller ID• Distinctive ring• Multiple levels of security with auto callback and password protection and up to 50 users• Au

Hardware OptionsF-6 Modem 3600u 117 75 --v 118 76 --w 119 77 --x 120 78 --y 121 79 ` (single quote)z 122 7A : (colon){ 123 7B # (pound)| 124 7C @ (at)

Hardware OptionsModem 3600 F-7 Decimal Hex EBCDIC 146147 93 l148 94 m149 95 n150 96 o151 97 p152 98 q153 99 r154 9A --155 9B --156 9C x157 9D )158

Hardware OptionsF-8 Modem 3600176 B0 S0 (SM0)177 B1 S1 (SM1)178 B2 S2 (SM2)179 B3 S3 (SM3)180 B4 S4 (SM4)181 B5 S5 (SM5)182 B6 S6 (SM6)183 B7 S7 (SM7)

Hardware OptionsModem 3600 F-9207 CF } (close bracket)208 D0 J209 D1 K210 D2 L211 D3 M212 D4 N213 D5 O214 D6 P215 D7 Q216 D8 R217 D9 --218 DA --219 DB

Hardware OptionsF-10 Modem 3600238 EE --239 EF --240 F0 0241 F1 1242 F2 2243 F3 3244 F4 4245 F5 5246 F6 6247 F7 7248 F8 8249 F9 9250 FA |251 FB --252

Modem 3600 G-1Appendix GAbbreviations and AcronymsAABT Abort Timer OR AnswerBack Toneac Alternating Current ACK Acknowledgment, positiveACR Abort Cal

Abbreviations and AcronymsG-2 Modem 3600EOM End of MessageEON End of NumberEOT End of Text OR End of TransmissionEPROM Erasable ProgrammableRead Only

Abbreviations and AcronymsModem 3600 G-3PPBX Private Branch ExchangePC Personal Computerpc Printed circuit (board)PIW Power IndicationPN Pseudo random

Abbreviations and AcronymsG-4 Modem 3600XX. CCITT RecommendationDesignationXMIT TransmitXOFF Transmitter OffXON Transmitter On

Modem 3600 H-1Appendix HFlash UpgradeUpgrade your modem easily using this flash update procedure.What You Need• A data communications software packag

Introduction1-4 Modem 3600DescriptionFunctionalThe Modem 3600 processes serial asynchronous data from a DTE at all standard rates from 300 bps to 230.

Flash UpgradeH-2 Modem 36005) From your terminal software package, send the “flash upgrade file” to the modem. You know the download is working becau

Modem 3600 Service - 1Service and SupportIntroductionU.S.A. customers who have questions about products or services should refer to the following se

V.3600 Index-1IndexAAnalog loopback 10-8Answer / originate 10-7Answer modeswitching to after dialing 5-15Answering a call 3-3ASCIIcharacter table F-1A

IndexIndex-2 V.3600*ND 5-40*NT 5-33, 10-12*OR 5-36, 10-7*RC 5-8, 10-17*RD 10-13*RO 5-41, 10-12*RR 5-31*TDn 5-33*TLn 5-36, 10-14, 10-15+++ 5-22+FCLASS

IndexV.3600 Index-3Configuration profile 5-40Connect messagess-register settings 10-10Constant speed interface 6-2Coverremoval of C-1CTSs-register set

IndexIndex-4 V.3600Factory option setsset #1 E-28Fallback character 6-6Fault isolation procedure D-1Fax commandsclass1 quick reference E-15D 11-5, 11-

IndexV.3600 Index-5NNormal mode 6-2, 6-10OOff hookcommand description 5-23Offline command mode 5-2Online command mode 5-2Operating mode selection 6-6O

IndexIndex-6 V.3600levels 8-5passwords 8-6remote code 5-42remote logon procedure 8-11removing a user 8-10set levels 8-8setting passwords 8-8superuser

IndexV.3600 Index-7S81 10-27S88 10-28S9 10-6S91 10-29Strapsground option C-4SuperuserSee Security 8-11Sync clock selection 10-11TTable 5-1 5-9Technica

IntroductionModem 3600 1-5The Modem 3600 rear panel has an EIA-232 DTE connector, an 8-pin TELSET/LEASED LINE jack, an 8-pin DIAL jack, the power swit

IndexIndex-8 V.3600

Introduction1-6 Modem 3600Modem 3600 CardThe shelf-mount Modem 3600 unit (Figur e1-3) has edge connectors that insert into the shelf backplane. The sh

Modem 36002-1Chapter 2 InstallationThis chapter provides information on mechanical and electrical installation of the modem. Mounting AccessoriesWe h

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Installation2-2 Modem 3600Electrical InstallationThe rear panel (Figure 2-1) includes DTE cable and telephone line connectors.Figure 2-1. Rear Panel

InstallationModem 3600 2-3Figure 2-2. Digital Interface Signals

Installation2-4 Modem 3600 Table 2-1. Pin Signal Description sPinEIA- 232DCCITTV.24 Signal Description1 101 Shield No connection2 BA 103 Trans-mitted

InstallationModem 3600 2-57 AB 102 Signal Ground Signal or common signal and dc power ground. **8 CF 109 Received LineSignal DetectorA positive level

Installation2-6 Modem 3600Telephone Line ConnectionThe modem operates in these line-related modes: • Dial• Leased20 CD 108.2 Data Termi-nal ReadyThis

InstallationModem 3600 2-7Dial Mode: PSTN Connection (DIAL jack)The public switched telephone network (PSTN) is a two-wire dial network. Modems are re

Installation2-8 Modem 3600Leased Line Connection (TELSET/LEASED LINE Jack)Private or leased lines use four-wire or two-wire lines. In this mode, the u

InstallationModem 3600 2-9 Figure 2-4. Leased Line Connection (115 Vac Model)DTEDIALTELSETLEASED LINERJ11CLeased LineJackTelset LeasedLine JackDial(

Installation2-10 Modem 3600Shelf-Mount MD1000C InstallationGo to Appendix C, Hardware Options to check the board options before installation.Shelf-mou

Modem 36003-1Chapter 3Getting StartedOption SelectionThere are six ways to change or select options: • LCD - Using the front panel LCD and pushbutton

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Getting Started3-2 Modem 3600Placing a CallThere are three methods for placing a call:Dialing with a Standard Telephone 1) Lift the telephone receiver

Getting StartedModem 3600 3-3Answering a CallThere are three ways to answer a call:AutoansweringNormally the modem is configured to autoanswer on the

Getting Started3-4 Modem 3600Reasons for Call TerminationThe conditions described in Table 3-1 cause call termination. Table 3-1. Reasons for Call Ter

Getting StartedModem 3600 3-5Minimum DCE Speed A connection occurred at a rate less than minimum.Security Password FailureMaximum password entry attem

Modem 36004-1 Chapter 4Front Panel OperationThe liquid-crystal display (LCD) front panel provides easy real-time access to modem configuration and st

Front Panel Operation4-2 Modem 3600LCD MenusThe Modem 3600 has seven main LCD menus that support modem operations. Table 4-1 lists them, in the follow

Front Panel OperationModem 3600 4-3Table 4-1. LCD Menu Option Selectio nMain Menu LCD MessagesS-Reg1MODEM-STATUSV.34 33600 IDLEShows the current modul

Front Panel Operation4-4 Modem 3600Main Menu Submenu Submenu ItemItemOptionAT Com.S-Reg4,cont.SELECTTEST?(continued)(Online testcontinued)REMOTE DIGI

Front Panel OperationModem 3600 4-5Main Menu SubmenuSubmenuItemItemOptionAT Com.S-Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGE MODEMOPTIONS?(contin

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Front Panel Operation4-6 Modem 3600Main Menu Submenu Submenu ItemItemOptionAT Com.S- Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGE MODEMOPTIONS?(co

Front Panel OperationModem 3600 4-7Main Menu Submenu Submenu ItemItemOptionAT Com.S-Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGEPROTOCOLOPTIONS?(c

Front Panel Operation4-8 Modem 3600Main Menu Submenu Submenu ItemItemOptionAT Com.S-Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGE DTEOPTIONS?(contin

Front Panel OperationModem 3600 4-9Main Menu Submenu Submenu ItemItemOptionAT Com.S-Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGE DTEOPTIONS?(contin

Front Panel Operation4-10 Modem 3600Main Menu Submenu Submenu ItemItemOptionAT Com.S-Reg5cont.MODIFYCONFIGU-RATION?(continued)CHANGE SPEAKEROPERATION

Front Panel OperationModem 3600 4-11Front Panel SecurityThe Front Panel Security feature provides password protection for front panel menu access. The

Front Panel Operation4-12 Modem 3600During password entry, the front panel buttons operate as follows:• Pressing NO makes the character at the cursor

Modem 36005-1Chapter 5AT CommandsThis chapter describes commands used to select options and operate the modem. Some options depend on, or are restric

AT Commands5-2 Modem 3600Offline Command ModeIn offline command mode (generally referred to as command mode), the modem communicates with the computer

AT CommandsModem 3600 5-3Creating a Command Statement ATTo create a command statement use the following steps:1) Type AT. This is the Attention Cod

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AT Commands5-4 Modem 3600Monitor DisplayAs commands are typed they appear on the monitor so the operator can verify the input. This is called local ch

AT CommandsModem 3600 5-5Numbered CommandsCommands that start with the same letter are distinguished by a number following the letter.For example, the

AT Commands5-6 Modem 3600Digit / Word Selection VThe V command tells the modem which type of response message to show on the monitor. Some software

AT CommandsModem 3600 5-7Call Progress / Connect Speed Messages XThe X command selects response code/message displays and dialing options such as call

AT Commands5-8 Modem 3600The X3 command followed by a dial command makes the modem go off hook, wait the amount of time set in register S6 and dial th

AT CommandsModem 3600 5-9Response Number Codes / MessagesResponse number codes, messages, and their meanings are listed in . The connect rates are ser

AT Commands5-10 Modem 360031 CONNECT 31200 DTE rate 31200 bps32 CONNECT 32000 DTE rate 32000 bps33 CONNECT 33600 DTE rate 33600 bps34 CONNECT 38400 DT

AT CommandsModem 3600 5-1154 CONNECT 32000/V42bisV.42 bis 32000 bps connection55 CONNECT 33600/V42bisV.42 bis 33600 bps connection56 CONNECT 38400/V42

AT Commands5-12 Modem 360080 CONNECT 115200/V42 V.42 115200 bps connection81 CONNECT 230400/V42 V.42 230400 bps connection82 CONNECT 300/MNP5 MNP5 300

AT CommandsModem 3600 5-13Dial CommandsDial commands let the modem originate a call to another modem. These commands can be used with either tone or p

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AT Commands5-14 Modem 3600Dial modifiers are as follows.Tone Dialing TTo tone dial a number sequence, insert a T in the dial sequence.AT D T 323-111

AT CommandsModem 3600 5-15Hook Flash !To flash the switchboard, insert an exclamation mark in the dialing sequence.AT D T 9W 323-8000 ,!, #7 377This

AT Commands5-16 Modem 3600For example, you might enter a dollar amount for a banking transaction by enteringAT D 1400 ;This sends the sequence 1400 an

AT CommandsModem 3600 5-17Manual AnswerWhen the phone rings, answer by pressing the TALK/DATA button.AT Command Answer AThe modem can be made to answ

AT Commands5-18 Modem 3600When Caller ID is enabled, one of the messages in Table 5-2 appears on the computer screen after the first RING message:If t

AT CommandsModem 3600 5-19When distinctive ring is enabled, one of the messages in Table 5-3 appears on the DTE instead of the regular RING message:Te

AT Commands5-20 Modem 3600Data Set Ready &SThese commands control the DSR signal generated by the modem to indicate that the modem is ready for

AT CommandsModem 3600 5-21Serial Port Ring Indicator (Pin 22) \RThe \R commands determine how the ring indicate signal operates on pin 22 of the EIA

AT Commands5-22 Modem 3600DTE Controlled Fallback Rate (Pin 23) *FBPin 23 of the EIA-232 DTE connector provides signal input to the modem for DTE fa

AT CommandsModem 3600 5-23If the screen shows no characters, enter the E1 command to turn modem echo on or enable local echo on the terminal. Online

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AT Commands5-24 Modem 3600EPROM Check IPC software packages may issue the I command to verify the modem will support all commands needed by the soft

AT CommandsModem 3600 5-25Return Online OUse the O command when you are operating in the online command mode and need to return to data mode. It ret

AT Commands5-26 Modem 3600Use register S30 to select NRZ/NRZI for data format if using SDLC. IMPORTANT: Synchronous DTE must be available to communica

AT CommandsModem 3600 5-27Synchronous Transmit Clock Source &XThe &X commands select internal, external, or receive clock as the transmit cl

AT Commands5-28 Modem 3600Maximum DCE Speed %BThe %B commands set the originating DCE speed to follow the DTE speed. When originating a call the two

AT CommandsModem 3600 5-29*Valid for V.32 bis modulation onlyNoteUse the %B command after the *MM command when specific modulations are required.Minim

AT Commands5-30 Modem 3600Auto Retrain %EThis option allows the modem to automatically retrain in response to poor received signal quality without r

AT CommandsModem 3600 5-31Manual Rate Adaption *RRThe *RR command forces the modem to re-adapt the DCE rate of the remote modem. Product Revision L

AT Commands5-32 Modem 3600Online Quick Reference $HThe $H command displays an AT command set quick reference. The Enter key terminates the page dis

AT CommandsModem 3600 5-33Disable AT Command Set *NTThe *NT command disables the AT command set. The *NT1 command allows the user at a remote modem

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AT Commands5-34 Modem 3600NoteFor operation with modems that use V.33 as the modulation type, the Modem 3600 must be set up to V.33. 2-Wire OperationI

AT CommandsModem 3600 5-35Dial BackupDial backup allows the modem to switch to a dial backup mode if the data connection on the leased line is unaccep

AT Commands5-36 Modem 3600Dial / Leased Line &L&L selects line operation as required: Dial Backup *DB Return to Leased Line from Dial Backup

AT CommandsModem 3600 5-37Configuration CommandsThese commands recall various profiles for insertion into the active profile, store the active profile

AT Commands5-38 Modem 3600Storing a Configuration &WThe &W commands store the current configuration options in one of two nonvolatile memory

AT CommandsModem 3600 5-39Load Factory Options &FnThe &Fn command loads one of the existing configuration sets, providing a complete configu

AT Commands5-40 Modem 3600View Configuration Profiles/Received Signal Options &VThis command lets the user view the current configuration profile

AT CommandsModem 3600 5-41Retaining / Restoring Options *ROThis option is used when the modem is shared by two or more DTEs. When options are retain

AT Commands5-42 Modem 3600NoteRemote configuration is supported at all rates except 300 bps.Remote Configuration SecurityThe correct security code mus

AT CommandsModem 3600 5-43 The %P=D command disables remote configuration. To enable remote configuration, insert another security code.IMPORTANT: Do