366-101 - Miille Applied Research Co Inc
Contents
1. TXD RXD DCD and RTS 1 4 5 Connections Two 8 pin pluggable terminal strips 1 4 6 Operating Modes and Speeds Asynchronous or Synchronous operation at speeds up to 1200 baud over unconditioned telephone lines Bell 202 Bell 103 CCITT V 21 and CCITT V 23 compatibility Operating mode is switch selectable Two wire half duplex or four wire full duplex operation is user selectable 1 4 7 PTT Push To Talk output PTT dry contact closure for control of a radio transmitter Closed when modem is ready to send data 1 4 8 Part Numbers 366 101 Copyright O 2008 Miille Applied Research Co Inc Houston Texas Page2 366 101 Page 3 Installation 2 1 General The 366 101 modem is very easy to install and set up Remove the modem from its protective antistatic bag and simply snap it onto a standard symmetrical EN 50 002 35mm mounting rail If you need to remove the modem from the mounting rail use a flat screwdriver to retract the red mounting tab 2 2 RS232 Connections All RS232 signals are terminated on TS2 an 8 position pluggable terminal strip TS2 is the terminal strip located on the side of the modem on the same side as the option selection switch access door It is on the bottom of the case if the modem is mounted so that you can read the front label POSITION SIGNAL NAME DIRECTION 1 DCD Output 2 DSR Output 3 CTS Output 4 DTR Input 5 RDATA Output 6 RTS Input 7 TDATA Input 8 GND2. turned ON and OFF using switch SW1 position 1 If this switch is ON the PTT relay will operate when the modem RTS input is active If this switch is OFF then the PTT relay will never operate 2 8 Transmit Level Switch 1 positions 2 through 9 are used to select the modem transmit level Using these switches you can adjust the modem transmit levels between 2 and 12 dBM as shown in the table below SWITCH FUNCTION PTT Enable 2 dBm Transmit Level 0 dBm Transmit Level 2 dBm Transmit Level 4 dBm Transmit Level 6 dBm Transmit Level 8 dBm Transmit Level 10 dBm Transmit Level 12 dBm Transmit Level Table 4 SW1 PTT Enable and Transmit Level O CON DIN Bi Ww NM Other transmit values can be obtained by closing more than one switch at a time Copyright 2008 Miille Applied Research Co Inc Houston Texas Page 5
3. DIN Rail Mounted Leased Line Modem Users Manual 366 101 Rev 2 ARC Copyright 2008 Miille Applied Research Co Inc Houston Texas This page is left blank intentionally 366 101 TABLE OF CONTENTS LIST OF TIGURES ee ias d He 1 1 ETI aL deas edo tv ex et edito areae a un eese DM 1 2 RR e 1 3 ut WE 1 4 EE E TE 4 2 ODEratne ENVIrOnment orca Sade e e a onan oy dE 3 POWEEROQUIGRIEDIUS ono Oa saam nam apum m mm M A D Tee I5 C OMNCCLIONS Boe De RS SUARUM AN NN M DNO MESE 1 4 6 Operating Modes and Speedis esee 1 4 7 PTI Push TO Falk Re iioii eoe ioi peo teinte Rb dte doin oce oe eroi 1 2 Part ele PX Eur rem rr EE Z9 Phone EE sous a le ls bbb biduo 2 4 Power OHNE COIS E 2 PTE AE Meel Eege E IN EE SIGNAL EE 2 6 Operating ee scs dessus eee deiude dede Ded E NEE EE smit D 6 Ve EE LIST OF FIGURES Table Ke Table 2 TS1 Pin e 950959950995 059 OS 8 de ute bate ables Dperattp Modes sis f d esent a a Table 4 SW1 PTT Enable and Transmit Level tes Copyright 2008 Miille Applied Research Co Inc Houston Texas Page i Page i 366 101 Pagel Introduction 1 1 General The Miille Applied Research Co Inc MARC Model 366 101 is a full function DC powered FSK Frequency Shift Keyed Leased Line modem that mounts on a standard DIN rail and provides data communication with other Bell and CCITT compatible modems The modem is suitable for use with standard voice grade leased telepho
4. PTT RX TX TX RX PTT 24VDC DC RETURN Table 2 TS1 Pin Assignments COPA DA ny BR GQ NR 2 6 Operating Mode The modem operating mode is selected using a 5 position DIP switch Remove the option door for access to this switch The following table defines the modem operating mode switch selections SW 2 Operating Mode Pos 12345 11111 Bell 103 Originate 300 bps Full Duplex O1111 Bell 103 Answer 300 bps Full Duplex 10111 Bell 202 1200 bps Half Duplex 00111 Bell 202 1200 bps Half Duplex with equalizer 11011 CCITT V 21 Originate 300 bps Full Duplex 01011 CCITT V 21 Answer 300 bps Full Duplex 10011 CCITT V 23 Mode 2 1200 bps Half Duplex 00011 CCITT V 23 Mode 2 1200 bps Half Duplex with equalizer 11101 CCITT V 23 Mode 1 600 bps Half Duplex 11001 CCITT V 23 Mode 1 600 bps Half Duplex with SCTO 10001 CCITT V 23 Mode 2 1200 bps Half Duplex with SCTO 00001 CCITT V 23 Mode 2 1200 bps Half Duplex w Equalizer and SCTO 10110 Bell 202 1200 bps Full Duplex with SCTO 00110 Bell 202 1200 bps Full Duplex w Equalizer and SCTO 10010 CCITT V 23 Mode 2 1200 bps Full Duplex 00010 CCITT V 23 Mode 2 1200 bps Full Duplex with equalizer 11100 CCITT V 23 Mode 1 600 bps Full Duplex Table 3 Operating Modes Copyright O 2008 Miille Applied Research Co Inc Houston Texas Page4 366 101 Page 5 2 7 PTT Enable The PTT enable relay can be
5. Reference Table 1 TS2 Pin Assignments 2 3 Phone Line Connections Telephone line connections are made on TS1 the 8 position pluggable terminal strip located opposite the option selection switch access door It is on the top of the case if the modem is mounted so that you can read the front label There are four wires to connect named TX TX RX and RX For two wire applications connect a jumper between the TX and RX pins and the TX and RX pins The modem does not provide a modular jack because it is used in harsh industrial environments where the standard RJ 11 modular jack is not reliable If you require a modular connection you should purchase a standard wall mount modular adapter available from any hardware store 2 4 Power Connections The modem is DC powered The operating range is 18 36 VDC You must pay particular attention to the input polarity The modem will be damaged if the voltage polarity is reversed Connect the Positive side of the DC supply to Pin 7 and the Negative side to Pin 8 on TS1 Copyright 2008 Miille Applied Research Co Inc Houston Texas Page 3 366 101 Page4 2 5 PTT Push to Talk Output The modem provides a PTT Push to Talk contact output for optional control of a radio transmitter The PTT output is a dry potential free contact closure that will be closed when the modem RS232 RTS input is active Connect the PTT wires to Pin 1 and Pin 6 of TSI POSITION SIGNAL NAME
6. ne circuits private dedicated wiring and many radios This modem provides convenient terminal compression screw hook up and clearly marked easily accessible switches for quick and accurate operating mode configuration The modem is ideal for connecting a PLC or other intelligent device for remote programming or data collection 1 2 Physical Description The 366 101 is a small DIN rail mountable unit just 1 75 wide 3 0 high and 4 1 deep as shown in the photo below It has two 8 position pluggable terminal strips for easy hook up and a removable door for easy access to the configuration switches Four LED indicators on the front panel provide easy monitoring of data communication activity 1 3 Indicators The 366 101 has four LED indicators mounted on the front panel TXD and RXD LEDs light when the modem is sending or receiving data The DCD LED will be on when the modem detects a Carrier signal from another transmitting modem The RTS LED monitors the state of the RTS input If RTS is on the modem will turn on its transmitter and after a short delay RTS CTS Delay will be ready to transmit data Copyright O 2008 Miille Applied Research Co Inc Houston Texas Page 1 366 101 Page 2 1 4 Specifications 1 4 1 Physical DIN rail mountable unit 1 75 W X 3 0 H X 4 1 D 1 4 2 Operating Environment 0 to 60 Celsius 1 4 3 Power Requirements 24 VDC at 40 ma 1 4 4 LED Indicators Provide status of the following signals
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