Westermo TD-23 Installation Manual

Tele modemV.32bisINSTALLATION MANUAL6178-2203www.westermo.seTD-32/485TD-32©Westermo Teleindustri AB • 2000 • REV. AGalvanicIsolationTransientProtectio

Switch 110 6178-2203DIP Switch Setup for Dial-up and Leased LineDisconnect power before changing DIP-switches.Use ESD-protection when changing switche

116178-2203Switch 22–8 are not usedFor use of SW2:2 to 7Asynchronous communicationSynchronous, external clock.Clock from D-sub pin 24Synchronous, inte

12 6178-2203Switch 4 (Serial speed and format)Automatic detection of serialspeed and format300 bit/s600 bit/s1 200 bit/s2 400 bit/sRelated AT-commands

136178-2203Switch 5 (line modulation)Used saved parameters(ATF1)V.21; 300 bit/s(ATF4)V.22; 1 200 bit/s(ATF5)V.22bis; 2 400 bit/s(ATF6)V.32bis; 4 800 b

14 6178-2203DTE Command LinesIn order to send commands to the modem, a prefix must be entered before the actual command(s).This prefix is the ASCII st

156178-2203Description of commandsThe modem can be configured and controlled with the AT-commands listed below.A/ – Re-execute commandThis command dif

16 6178-2203&Bn – DTR Dial OptionThis command enables the modem to dial a number stored with &Zn=number when the DTR signalgoes from inactive

176178-2203%C – Enable/disable data compressionEnables or disables data compression negotiation. The modem can only perform data compression onan erro

18 6178-2203&Dn – DTR OptionThis command uses the incoming signal DTR to do different things, depending on n.The value is written to S21 bit 3 and

196178-2203%Dn – Setting the sensitivity of the receiverThis command sets if the modem will disconnect when the signal level on the line is below the

20 6178-2203Fn – Select Line ModulationThis command selects which type of modulation will be used on the phone line. If this parameter isset to someth

216178-2203&F – Restore factory configurationThe command restores the original factory setting of all parameters. These will only be used, until a

22 6178-2203Hn – DisconnectionThe command makes the modem either connect to or disconnect from the line.H0 Disconnection ”on-hook”.H1 Connection ”off-

236178-2203\Kn – Break ControlThis command controls the response of the modem to a break signal received from the terminalequipment, from the remote m

24 6178-2203Ln – Speaker VolumeThe modem sets the speaker volume depending on the value used according to the following list.The value is written to r

256178-2203&Mn – Asynchronous/Synchronous Mode SelectionThis command determines how the DTR signal will be used.&M0 Selects direct asynchronou

26 6178-2203\Nn – Operating ModeThis command determines which error correcting mode will be used during a link negotiation.\N0 Normal speed buffered m

276178-2203&Qn – Asynchronous/Synchronous ModeThis command is an extension of the &M command and is used for controlling permitted connectionm

28 6178-2203Sn – Read or Write Values to S-registerThis command is used for selecting an S-register as default, for reading the value stored in the re

296178-2203\S – Report Active ConfigurationThe command reports a list of parameters in the active configuration mode.For example:AT\SCMD DESCRIPTION /

36178-2203Table of ContentsIntroduction ...

30 6178-2203&Tn – Test and DiagnosticsThe modem will perform different tests and diagnostic functions according to the parameter suppliedwith this

316178-2203&V – Display Current Configuration and Stored ProfilesThis command returns the active configuration, the two stored profiles and the fi

32 6178-2203&Wn – Save Current ConfigurationSaves the current (active) configuration, including S-registers, in one of the user profiles in NVRAM.

336178-2203&Xn – Select Synchronous Clock SourceThis command selects the source of the transmit clock at synchronous communication. In asynchro-no

34 6178-2203Zn – Soft Reset and Restore ProfileThe modem performs a soft reset and restores the configuration profile according to the parametersuppli

356178-2203Result CodesWhen a command is sent from the terminal the modem replies with a result code. The reply may beeither in Long Form i.e. text (V

36 6178-2203S-registersBelow follows a description of the S-registers and its different components. Note thatsome parameters can not be changed due to

376178-2203S9 – Carrier Detect Response TimeSets the time that the carrier must be present before a connection is established.Default 6 {1..255} (1/10

38 6178-2203S16 – General Bit Mapped Test Options Status (&T) (Read only register, not stored with &W)Bit Interval Default Description0–0 Loca

396178-2203S21 – General Bit Mapped Options Status (Read only register)Bit Interval Default Description0 0..1 0 Set by AT&J only for compatibility

4 6178-2203IntroductionThe Westermo TD-32 is an industrialised dial and leased line modem. This modem has been devel-oped to be used in industrial app

40 6178-2203S23 – General Bit Mapped Options Status (Read only register)Bit Interval Default Description0 0..1 0 Enables RDL:0-Not allowed (AT&T5)

416178-2203S27 – Bit Mapped Option Status (Read only)Bit Interval Default Description0..1,3 0..3,0..1 0 Synchronous/Asynchronous selection:0.0-AT&

42 6178-2203S31 – Bit Mapped Option Status (Read only)Bit Interval Default Description0 – – Reserved1 0..1 1 Automatic line setting:0-ATN01-ATN12..3 0

436178-2203S38 – Delay Before Forced Hang Up (Not stored with the AT&W command)This register specifies the delay between the modem’s receipt of th

44 6178-2203S41 – Bit mapped register (Read Only Register)Bit Interval Default Description0..1 0..3 3 Compression selection:0-No compression (AT%C0)1-

456178-2203S95 – Extended Result Codes Bit Interval Default Description0 0..1 0 Display CONNECT speed message:1-CONNECT with speed enabled1 0..1 0 Add

46 6178-2203Example:Several commands can be stacked on each command-line. For example:ATEQ1\N4D12345can be used instead of:ATE0OKATQ1OKAT\N4OKATD12345

476178-2203Frequently used settings for PLC-systems and industrial applicationsMost PLC-systems and other industrial applications where modems are use

48 6178-2203Dial up with hardware signallingDial up can be made by applying an external signal to the DTR-pin in the RS-232/V.24 contact.A typical app

496178-2203Leased line applicationsLeased line connections can be done using either 2-wire or 4-wire.When renting a 4-wire line from a telephone compa

56178-2203SpecificationsModulation CCITT V.32bis, 4 800 till 14 400 bit/sCCITT V.32, 4 800/9 600 bit/sCCITT V.22bis, 2 400 bit/sCCITT V.22, Bell 212A,

50 6178-2203GlossaryASCIIA binary code system which defines 128 characters using different combinations of 1s and 0s. ASCII= American Standard Code fo

516178-2203ARQ Automatic Repeat reQuest. When incorrect data is detected a request to retransmit the data is made to the remote modem.V.42bis. Data Co

52 6178-2203Modem Acronym of the words modulator and demodulator. Modulates or transforms the signal from computer equipment into electrical or acoust

536178-2203RS-232/V.24 SignalsTDTransmitted Data. Data going from DTE to DCE.RDReceived Data. The Data going from DCE to DTE.RTSRequest to Send. Hard

54 6178-2203OWN COMMENTS...

6178-2203 05.00 TunaTryck AB, Eskilstuna, SwedenWestermo Teleindustri AB • S-640 40 Stora SundbyTel 016 612 00 Fax 016 611 80E-mail: [email protected]

6 6178-2203InstallationThe modem should be con-nected in the following way:Power connection is madethrough screw-block at bottomright corner.For 115V

25-pos. Screw Direction Name DescriptionD-sub Terminal DCE-DTE1 - - - PE Protective earth2 8 TXD Transmit data3 7 RXD Receive data4 6 RTS Request to

8 6178-2203Typical TD-32 line connections4-positionscrew terminalHandshakingLeased line 2-wireTelephoneExchangeTelephoneExchangeDial up line 2-wireTel

96178-2203Termination2-wireTD-32/485 (RS-422/485 interface)As an option the TD-32 can be supplied with an RS-422/485interface. This product is referre