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6179-2201

Installation

The modem should be con-
nected in the following way:

Power connection is made
through screw-block at bottom
right corner. It is a 2-pole con-
nector for 12–36 V DC supply.

Computers or other equipment
are connected through an 9-pole
D-sub RS-232/V.24 connection.
Do not use ribbon cable for
RS-232 connections.

LED’s

Power supply
Screw-block

9-pos

D-sub

RJ-11

Line

connection

TD-33

TEL.LINE

V24/RS-232-C

RD RTS

DTR DCD PWR

TEL.LINE

▼

9-pos.

Direction

Name

Description

D-sub

DCE-DTE

DCD

Data carrier detect

RXD

Receive data

TXD

Transmit data

DTR

Data terminal ready

- - -

Signal ground

DSR

Data Set Ready

RTS

Request to send

CTS

Clear to send

Ring indicator

RS-232/V.24 Connections

Pin outs for the 9-pole D-sub:

←

Line connection

The telephone line is connected
to the 2-pole RJ-11 connector.
2-wire lines are connected to the
two middle pins (3 & 4) in the
RJ-11 plug.

Typical TD-33 line connections

RJ-11

plug

Telephone
Exchange

Dial up line 2-wire

3
4

Содержание TD-33

Страница 1: ...le Modem V 90 K56flex or V 34 INSTALLATION MANUAL 6179 2201 www westermo se TD33 V 90 TD 33 Westermo Teleindustri AB 2000 REV A Galvanic Isolation Transient Protection Balanced Transmission CE Approve...

Страница 2: ......

Страница 3: ...ction 4 Safety 4 Specifications 5 Installation 6 RS 232 V 24 Connections 6 Line Connection 6 Typical TD 33 Line Connections 6 DIP Switch Setup 7 LED Status Indicators 7 AT Commands 8 20 Result Codes 2...

Страница 4: ...y continually monitors the power supply and internal hardware In the event of a problem the modem automatically resets This feature has been included to make the unit more suit able for use in unmanne...

Страница 5: ...00 2 400 4 800 7 200 9 600 12 0k 14 4k 16 8k 19 2k 21 6k 24 0k 26 4k 28 8k 38 4k 57 6k 115 2k 230 4k bit s Compression V 42bis MNP5 Characters Up to 11 bits Error correction V 42 LAPM MNP 2 4 MNP 10 I...

Страница 6: ...V24 RS 232 C TD RD RTS DTR DCD PWR TEL LINE TEL LINE 9 pos Direction Name Description D sub DCE DTE 1 DCD Data carrier detect 2 RXD Receive data 3 TXD Transmit data 4 DTR Data terminal ready 5 SG Sig...

Страница 7: ...L LINE V24 RS 232 C TD RD RTS DTR DCD PWR S1 1 4 Software Watchdog Enable ATQ1E0 C1 K0 PLC Mode 9 600 bit s ON 1 2 3 4 ON 1 2 3 4 ATDS 0 DTR Hotcall Enable 9 600 bit s ON 1 2 3 4 Ignore DTE Characters...

Страница 8: ...ection Bn Transmit Break to Remote In non error correction mode the modem will transmit a break signal to the remote modem with a length in multiples of 100 ms according to parameter specified If a nu...

Страница 9: ...digits A B C and D Some countries may prohibit sending of these digits during dialing L Re dial last number the modem will re dial the last valid telephone number The L must be immediately after the...

Страница 10: ...nd 4 Also see S25 D0 DTR drop is interpreted according to the current Qn setting as follows Q0 Q5 Q6 DTR is ignored assumed ON Allows operation with DTEs which do not provide DTR Q1 DTR drop causes th...

Страница 11: ...only do retrains if EQM thresholds are exceeded If the EQM is sufficient for at least one minute the modem will initiate a rate renegotiation to a higher speed within the current modulation speeds The...

Страница 12: ...d break to remote modem in sequence with transmitted data Default The second case is where the modem is in the on line command state waiting for AT commands during a data connection and the B is recei...

Страница 13: ...ter is written to S22 bits 2 and 3 M0 Speaker is always off M1 Speaker is on during call estabilishment but off when receiving a carrier Default M2 Speaker is always on M3 Speaker is off when receivin...

Страница 14: ...n results in the modem hanging up Forces Q5 S36 4 and S48 7 N3 Selects auto reliable mode This operates the same as N2 except failure to make a reliable connection results in the modem falling back to...

Страница 15: ...tion This command also stores the selected setting directly to NVRAM U0 Selects Law U1 Selects A Law Vn Result Code Form This command selects the sending of short form or long form result codes to the...

Страница 16: ...fields described below The single line connect message format is CONNECT DTE Speed Modulation Protocol Compression Line Speed Voice and Data Where DTE Speed DTE speed e g 57 600 Modulation V90 for V...

Страница 17: ...0 G2 K3 Q5 R1 S0 T4 X0 Y0 S00 002 S01 000 S02 043 S03 013 S04 010 S05 008 S06 002 S07 030 S08 002 S09 006 S10 014 S11 255 S12 050 S18 000 S25 005 S26 001 S36 007 S37 000 S38 020 S46 138 S48 007 S95 00...

Страница 18: ...urer id 94 K56flex Second byte Octect 14 Licensee code 81 Rockwell Third byte Octect 15 manufacturer s product capabilities Fourth byte Octet 16 K56flex version number Fifth byte Octet 17 Rockwell pum...

Страница 19: ...and dial tone is not detected NO CARRIER will be reported instead of NO DIAL TONE The value 000b is written to S22 bits 6 5 and 4 respectively X1 Disables monitoring of busy tones unless forced otherw...

Страница 20: ...han 1 6 seconds by going on hook Yn Designate a Default Reset Profile This command selects which user profile will be used after a hard reset Y0 The modem will use profile 0 Y1 The modem will use prof...

Страница 21: ...is 2 400 bit s and DTE speed reporting is enabled 11 CONNECT 4 800 The modem has connected to the line and either the line speed is 4 800 bit s and DCE speed reporting is enabled or the DTE speed is 4...

Страница 22: ...ed reporting is enabled 64 CONNECT 28 800 The modem has connected to the line and either the line speed is 28 800 bit s and DCE speed reporting is enabled or the DTE speed is 28 800 bit s and DTE spee...

Страница 23: ...t 46 000 bit s and DCE speed reporting is enabled 173 CONNECT 48 000 The modem has connected to the line at 48 000 bit s and DCE speed reporting is enabled 174 CONNECT 50 000 The modem has connected t...

Страница 24: ...rn Character S3 sets the command line and result code terminator character Range 0 127 ASCII decimal Default 13 Carriage Return S4 Line Feed Character S4 sets the character recognized as a line feed T...

Страница 25: ...started when the modem finishes dialing originate or 2 seconds after going off hook answer In originate mode the timer is reset upon detection of answer tone if allowed by country restrictions 2 Sets...

Страница 26: ...econds Default 95 95 milliseconds S12 Escape Prompt Delay EPD S12 defines the maximum period in fiftieths of a second allowed between receipt of the last character of the three escape character sequen...

Страница 27: ...behavior Cn 0 C0 selected 1 C1 selected Default Bit 6 DSR behavior Sn 0 S0 selected Default 1 S1 selected Bit 7 Long space disconnect Yn 0 Y0 Default 1 Y1 S22 Speaker Results Bit Mapped Options Status...

Страница 28: ...imited as it is a country dependent parameter Range 0 255 10 ms intervals Default 0 0 ms S30 Disconnect Inactivity Timer S30 sets the length of time in tens of seconds that the modem will stay online...

Страница 29: ...e modem s receipt of the H command to disconnect or ON to OFF transition of DTR if the modem is programmed to follow the signal and the disconnect operation Applicable to error correction connection o...

Страница 30: ...ault 195 C3h 11000011b Bits 0 1 Compression selection Cn 0 Disabled C0 1 MNP 5 C1 2 V 42 bis C2 3 MNP 5 and V 42 bis C3 Default Bits 2 6 Auto retrain and fallback fall forward En Bit 6 Bit 2 0 0 Retra...

Страница 31: ...the cause codes are S86 0 Normal disconnect no error occurred S86 4 Loss of carrier S86 5 V 42 negotiation failed to detect an error correction modem at the other end S86 9 The modems could not find...

Страница 32: ...e signals are directed on opposite directions Terminals PC s and printers are most often DTE DTE Data Terminal Equipment Data Compression and Error Correction V 42 ITU T s error correction protocol in...

Страница 33: ...when it receives an electrical current In modems they are used as indicators for data and status signals Modem Acronym of the words modulator and demodulator Modulates or transforms the signal from co...

Страница 34: ...are even odd and none REN Number The Ringer Equivalence Number REN is a way of measuring the load on the telephone line caused by the connected equipment RS 232 V 24 Signals TD Transmitted Data Data g...

Страница 35: ......

Страница 36: ...n Westermo Data Communications GmbH Bruchsaler Stra e 18 68753 Wagh usel Tel 49 0 7254 95400 0 Fax 49 0 7254 95400 9 E Mail info westermo de Web www westermo de Westermo Data Communications Ltd Unit 1...

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