User`s Manual - ARC Electronics
Contents
1. 010 GTI D11 T2 GT2 09 qas H i qa 58 5 BUR 1 10 1 alle 1 52 u2t HOG E qu 6715 8 O vs b E 2 High Z 600 ohm 5 z 1889 J 3 b N JP1 s 52 N 05 9 b M N U18 EEO _ Figure 2 5 IG192HFP Fast Poll Rack mount Modem Board 13 User s Manual IG192HFP Fast Poll Modem Installation Setting the DIP Switches 51 52 are 10 position DIP switches used to configure all the options and features of the modem Table 2 5 shows the setting of the switches NOTE Switches S1 and 52 toogle switches To configure the switches use small sharp pin to firmly press down on one end to open or to close each switch Never leave any switch in half open and half close Press down on the side of the switch labeled OPEN is referring to as OFF condition When the switch is CLOSED it is in the ON state Table 2 1 Modem Switch Settings OFF Default 19200 SW1 OFF SW2 OFF SW3 OFF S1 1 to S1 3 Modem Data Rate 9600 SW1 ON SW2 OFF SW3 OFF 4800 SW1 ON SW2 ON SW3 OFF 2400 SW1 OFF SW2 ON SW3 OFF Bell 202T SW1 OFF SW2 OFF2. Figure 2 8 Loopback Diagnostic Modes User s Manual IG192HFP Fast Poll Modem DATA CONNECT ENTERPRIS E Appendix Troubleshooting In the event you encounter a problem using your DCE modem refer to the troubleshooting information in this appendix IMPORTANT _ If you encounter a problem with your modem be sure the switches on the modem are s et to the appropriate positions see Table 2 1 on page 14 If a switch is halfway between an on and off setting the modem will not operate properly Problem Solving Table A 1 offers troubleshooting solutions for modem problems No LEDs are ON at the front panel Modem does not respond to the attached DTE and the all LEDs are off Modem does not receive data and the DCD and RxD LEDs are off The RTS CTS and TxD LEDs do not blink 27 Table A 1 Problem Solving Perform These Procedures Check the power supply source Be sure the input power to the modem s power connector is between 10 to 60VDC Check the connecting RS 232 or RS 485 cable between the DTE and the modem The MR LED Modem Ready on the front panel should be ON when the modem is idle Check the DIP switches of both modems to make sure that the same data rate and operating parameters are identical on both modems The receive line pair may be disconnected from the modem Make sure the transmission line connection to the modem is accurate and secure
3. 17 S1 10 Reserved Test Only etas GLO GYT 17 S2 1 through S2 3 Transmit Level reU n 17 52 4 Receiver Dynamic 18 52 5 and 52 6 Cable Equalizer Fast Poll Mode Only 18 S2 7 Anti streaming 18 52 8 RTS CTS Delay Bell 202 Mode Only 18 S2 9 Forced RTS ER 18 52 10 Re Train Request Enabled 19 Configuring the Jumper BIoGKS e eee od Ep Oc NEIN 19 F r Stand alone Ag cr 20 For Rack Mount Plug in Modules y ARR O RL 20 Connecting to a Transmission 21 Connecting to a Voltage 22 Connecting to an RS 232 23 Connecting to an RS 485 Device 23 Blgc 25 User s Manual IG192HFP Fast Poll Modem Contents Loopba ek Control SWIG uuu Tc Sa 25 Append
4. number must be legibly displayed on the shipping carton No RMAs will be issued without a product review DCE will not be responsible for any product returned without an RMA number If you believe the product may be out of warranty include a method of payment for repairs either a Purchase Order number or credit card number card holder name date of expiration on the RMA reguest Repairs currently reguire 5 working days and are returned UPS second day air Contact us by e mail mspellerberg data connect com or call 301 924 7400 x 25 if you should have any guestions 32 User s Manual IG192HFP Fast Poll Modem 33 RMA Procedure User s Manual IG192HFP Fast Poll Modem
5. DATA CONNECT ENTERPRISE Appendix D RMA Procedure Before returning any DCE product an RMA number must be obtained Before asking for an RMA number ascertain that the product was purchased from DCE If you bought the product from a Distributor or Systems Integrator the product should be returned to that vendor The most convenient method to obtain an RMA authorization for a product purchased from DCE is to submit a request by fill in the form from www data connect returns htm Information reguired must include e Company name Address including any Mail Stop or specific delivery information Name contact information and e mail address for the technical contact s at your company If the above information is on your letterhead that format is acceptable For each item you wish to return please include The product model number usually found on the serial number tag The serial number for each item you wish to return A description of the problem you are encountering The cause of the problem if known A product support specialist may call to verify that the product is properly installed or may ask you to perform tests to insure that the product has actually failed After reviewing the problem DCE will assign an RMA number and you will be notified by email or FAX The product must be properly packed and returned to Data Connect Enterprise 3405 Olandwood Court Olney MD 20832 Attn RMA Technical Support The
6. DATA CONNECT ENTERPRISE Contents Chapter 1 Introduction uu u u UU UU ANN NN AU d s da se ird dabas asd WN 6 AN TE EFO NO RYN EF 7 je a ER 8 Chapter 2 Installation UIV uu EE EL E DP PL yN AA 9 Unpacking Your Hardware mu eee ee arret DI Eee S e RH FFF NU 9 Additional Items You Need to Complete Your Installation 9 Hardware CR GEO O 10 Front VIEW 2 E 10 ird M 10 PCH WI UW PL DH M 11 Installation Summary eot iq aS Soo ER HENW 11 Configuring ine Modem r 12 Setting the DIP Switches 14 51 1 51 2 51 3 Modem Data 15 51 4 Async Character Fast Poll Mode 15 Auto RTS a u uu uuu os tunes bane panna Gd ac 15 51 6 Transmit Carrier Control r 16 S1 7 2 or 4 Wire 16 51 8 Transmitter 16 51 9 Remote Loopback Enable
7. IG192HFP Fast Poll Stand alone Modem 13 Figure 2 5 IG192HFP Fast Poll Rack mount Modem 13 Figure 2 6 IG192HFP Modem Transmission Line 21 Figure 2 7 Pin Locations on the Modem s RJ 11C Jack 23 Figure 2 8 Loopback Diagnostic Modes 26 Figure 2 9 Back to Back Connection to a Second Modem 29 Tables Table 2 1 Modem Switch Settings 14 Table 2 2 Modem Operating Sp amp ed 15 Table 2 3 Transmit Levels a 17 Table 2 4 Transmission Line Connector Pin Assignments 21 Table 2 5 RJ 11C Modular Jack Pin 5 23 Table 2 6 Modem LEDS T Ed did 25 Table A 1 Problem SolVIng uu uuu u SIE A CA OG 27 Table B 1 Leased Line Terminal Block Pin Assignments 29 Table B 2 RS 232 DTE Interface udo sa OY
8. The receive signal level may be below the CD threshold Set switch S1 5 ON to see whether configuring the modem for a 43 dBm threshold resolves the problem If this problem remains unresolved perform a local ALB loopback test to determine if the modem s receiver is functioning correctly The attached terminal or DTE may not be sending data to the modem Verify that data is being transmitted If data is being transmitted make sure the RS 232 cable is sound and securely connected to the modem and terminal or DTE User s Manual IG192HFP Fast Poll Modem DATA CONNECT ENTERPRISE Appendix B Specifications General Specifications Data rate Data format DTE interface Line conditions Operating modes Modulation Equalizer RTS CTS Delay Receiver dynamic range Operating temperature Power supply Surge protection Carrier control Carrier loss recovery Throughput delay Auto RTS Anti streaming 28 19200 9600 4800 2400 0 1800 Bell 202T or 1 1200 bps V 23 asynchronous 8 or 9 data bits with 1 or more stop bits or 7 data bit with parity bit RS 232 V 24 or RS 485 2 HD or 4 wire FD compatible TELCO voice band 4 or 2 wire leased line conditioned or unconditioned Private metallic circuits up to 9 5 miles at 9600 bps 24 AWG without cable egualizer Up to 15 0 miles 24 AWG with TX and RX cable egualizer Up to 25 miles for FSK modes 2 wire half duplex or 4 wire full
9. duplex OAM High speed fast poll mode FSK Bell 202T or V 23 compatible Mark 1200 Hz 1300 Hz V 23 e Space 2200 Hz 2100 Hz V 23 e Soft Carrier 900 Hz Bell 202T only Automatic adaptive 17 4 ms fast poll at 19200 bps 23 ms fast poll at 2400 4800 9600 bps 8 or 33 ms Bell 202T 33 ms V 23 to 30 dBm or 10 to 43 dBm 40 C to 85 C Wide range switching power supply e lG192HFP AC version 90 to 265 Volts AC 50 60 Hz single phase or 90 to 400 VDC e lG192HFP LV DC version 10 to 60 Volts DC Leased line up to 15KV Constant or switched DIP switch selectable Train on data automatically Less than 10 milliseconds for fast polling Support DTE without hardware RTS 27 second timer to prevent transmitter lock up network User s Manual IG192HFP Fast Poll Modem Specifications Mechanical Specifications Enclosure Dimensions Weight Aluminum with removable front and rear panels 5 0 wide x 6 5 long x 1 30 high 1 0 lbs without AC to DC power converter module Interface connectors Leased Line 5 position screw terminal includes earth ground Data Terminal Equipment DB 9 female connector for RS 232 RJ 11C module jack for RS485 Interface Connector Pin Assignments NOTE 29 Table B 1 Leased Line Terminal Block Pin Assignments This Pin Number Corresponds to This Signal Rx Rx Tx Tx Earth Ground optional When 2 wire half duplex is used t
10. eee eheu ku 30 Table B2 RS 485 DTE Interface AYN GE GAD CDU FO P ID Ro 30 V User s Manual IG192HFP Fast Poll Modem DATA CONNECT ENTERPRISE Chapter 1 Introduction Thank you for purchasing DCE s IG192HFP fast poll modem the finest industrial grade fast poll modem available This manual covers both the DCE IG192HFP IG192HFP RM IG96HFP and IGHFP RM standalone modems and Rack mount plug in modules The DCE modem is a 19200 9600 4800 2400 1200 bps modem designed for 4 wire full duplex or 2 wire half duplex operation over a voice band leased line or private line The modem is designed utilizing the latest digital signal processing DSP technology to achieve high performance The modem employs efficient modulation and encoding scheme to achieve fast modem training time The modem is also backward compatible with Bell 202 and ITU T V 23 modems The IG192HFP is the most technologically advanced modem on the market Boasting a fast DSP processor and automatic adaptive equalizer the IG192HFP modem is ideally suited for multi point communication systems that require fast response time short training time and low throughput delay This User s Guide describes the IG192HFP AC powered and IG192HFP LV DC powered stand alone modems as well as the rack mount IG192HFP RM plug in module for the Motorola UDS RM16M This manual is designed to get your modem up and running as quickly
11. to other industrial equipment Asynchronous data rates selectable of 19200 9600 4800 2400 and 0 1800 bps Easily accessible DIP switches for user configuration and option selection DB9 F connector for RS 232 V 24 interface and RJ 11 for RS 485 Local analog local digital and remote digital loopback diagnostics Optional Wall mount kit and DIN rail mounting kit for custom installations ui Wall mount kit DIN Rail mounting kit User s Manual IG192HFP Fast Poll Modem Introduction Applications The IG192HFP modem is designed for point to point and multipoint data communications Figure 1 1 shows a typical point to point configuration using the IG192HFP modem and Figure 1 2 shows a typical multipoint configuration using the IG192HFP modem J N zzzi Modem Modem Workstation Figure 1 1 Point to Point Network Using the IG192HFP Modem Workstation Remote Terminal Figure 1 2 Multipoint Polling Network Using the IG192HFP Modem There are a number of factors that can affect the modem s operation and performance These include Modem speed bit error rate transmission line distance 2 wire or 4 wire configuration e Transmission line characteristics noise and line impairments Network configuration point to point or multipoint 8 User s Manual IG192HFP Fast Poll Modem DATA CONNECT ENTERPRISE Chapter 2 Installati
12. view of the IG192HFP stand alone modem Starting from the left side this view shows A set of eight LEDs for modem interface status see Table 2 6 on page 25 A loopback control push button switch see Loopback Control Switch on page 25 DATA CONNECT ENTERPRISE DSP 19 2 RTS CTS RD CD MR ALB DLB Figure 2 1 Front View of the IG192HFP Modem Back View Figure 2 2 shows the back view of the IG192HFP stand alone modem Starting from the left side this view shows A 4 wire 2 wire configuration block labeled LEASED LINE An RJ 11 modular jack labeled RS 485 for connecting the modem to an RS 485 RTU A female 9 pin RS 232 connector labeled RS 232 for connecting the modem to a standard DTE RTU A power connector labeled 10 48V DC LEASED LINE Figure 2 2 Back View of IG192HFP Modem 10 User s Manual IG192HFP Fast Poll Modem Installation Rack Mount View Figure 2 3 shows the rack mount plug in module m Figure 2 3 Rack Mount Module for the IG192HFP RM Modem Board Installation Summary This section describes the steps for installing the modem NOTE Itis important to follow the steps below to configure the modem s DIP switches to match your DTE RTU interface requirement and the transmission line characteristics If you are not certain about your system s parameters or the leased line configuration please contact your network administrator for assistance 1 Conf
13. DATA CONNECT ENTERPRISE User s Manual For IG192HFP amp IG96HFP Fast Poll Modem DATA CONNECT ENTERPRISE IG192HFP 7 Document Number 520 01001 101 Rev D Copyright 2010 Data Connect Enterprise Rights Reserved Web site www data connect com The products and programs described in this User s Manual are licensed products of Data connect Enterprise This User s Manual contains proprietary information protected by copyright and this User s Guide and all accompanying hardware and documentation are copyrighted Data Connect Enterprise does not warrant that the product will work in all environments and applications and makes no warranty and representation either implied or expressed with respect to the quality performance merchantability or fitness for a particular purpose Information in this User s Guide is subject to change without notice and does not represent a commitment on the part of Data Connect Enterprise Data Connect Enterprise assumes no responsibility for any inaccuracies that may be contained in this User s Manual No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or information storage and retrieval systems for any purpose other than the purchaser s personal use without the express written permission of Data Connect Enterprise IG192HFP Fast Poll Modem User s Manual 520 01001 101 Rev D December 2009
14. S1 10 must be in the OFF position for normal operation It is reserved for factory testing only S2 1 through S2 3 Transmit Level Switches S2 1 through S2 3 adjust the modem s transmit level Table 2 5 shows the transmit levels you can select using these switches Table 2 3 Transmit Levels S2 1 through S2 3 Switch Settings Transmit Level ON ON ON ON 17 User s Manual IG192HFP Fast Poll Modem Installation S2 4 Receiver Dynamic Range S2 4 ON 10 to 43 dBm S2 4 OFF 3 to 30 dBm default For short distances or to select a strong receive signal set S2 4 to OFF For a long distance cable or low receive signal level set S2 4 to ON 43 dBm S2 5 and S2 6 Cable Equalizer Fast Poll Mode Only S2 5 ON Enable TX Cable Equalizer 52 5 OFF Disable TX Cable Equalizer default S2 6 ON Enable RX Cable Equalizer S2 6 OFF Disable RX Cable Equalizer default If you use the IG192HFP as a limited distance modem over pilot wire or unloaded cables you may need to improve or extend the modem s polling performance on long transmission lines by using the modem s internal fixed Compromise Cable Equalizer when polling on long metallic circuits when the cable exceeds 4 to 5 miles long The cable equalizer is active only when the modem is in QAM fast poll mode 2400 bps or higher S2 7 Anti streaming S2 7 ON Anti streaming is active S2 7 OFF Anti stream is inactive default Typically anti st
15. SW3 ON V 23 SW1 ON SW2 ON SW3 ON mmm 14 User s Manual IG192HFP Fast Poll Modem Installation S1 1 S1 2 51 3 Modem Data Rate 51 1 51 2 51 3 Select the modem speed per Table 2 2 Table 2 2 Modem Operating Speed To Select Set Switch 51 110 Set Switch 51 2 to Set Switch 61 210 19 200 bps OFF OFF 9600 bps ON OFF 4800 bps ON ON OFF 2400 bps OFF ON OFF Bell 202T OFF OFF ON V 23 1200 ON Ss ON For modem speeds of 2400 bps or higher the modem uses QAM modulation automatically When the modem is operating at 1200 bps either in Bell202T or ITU V 23 mode the modem uses FSK modulation Note Leased lines with a relatively flat 300 3400Hz bandwidth is required to support 19 200 bps operation S1 4 Async Character Fast Poll Mode Only 1 4 ON 11 bits 51 4 OFF 10 bits default Switch 51 4 selects whether the async character is 10 or 11 bits long This switch setting is ignored when the modem uses FSK modulation 51 5 Auto RTS S1 5 ON Enable Auto RTS S1 5 OFF Disable Auto RTS default For data terminals that do not provide hardware Request To Send RTS i e only provide TXD RXD SG connections set the modem s switch S1 5 to ON to enable auto RTS mode In this mode the modem does not require RTS input TXD is detected at the modem internally the modem turns on its internal RTS and carrier signals at the transmitter After training completes the T
16. XD is transmitted to the remote modem The transmitter turns itself off if no TXD is detected after some length of idle time approx 2 characters 15 User s Manual IG192HFP Fast Poll Modem Installation S1 6 Transmit Carrier Control S1 6 ON Constant carrier S1 6 OFF Controlled by RTS default Switch S1 6 selects either the modem s transmit carrier to be constant ON or controlled by RTS Constant carrier will force the modem to transmit a carrier signal to the remote modem instead of controlled by RTS However the modem will still required RTS from the RTU to transmit data to the remote modem If you enable constant carrier switch S1 6 ON the modem forces the transmit carrier active and the RTS CTS delay is shortened to less than 0 5 ms In constant carrier mode CTS is ON only if RTS signal is ON In switched carrier mode switch S1 6 OFF the RTS CTS delay is 23 ms for 2400 bps and above You can use constant carrier mode in 4 wire point to point connections or at the master modem of multi point polling network to reduce modem RTS CTS delay Note Please refer to switch setting S2 9 forced RTS ON for other applications S1 7 2 or 4 Wire Leased Line Operation S1 7 ON 2 Wire Half Duplex Mode S1 7 OFF 4 Wire Full Duplex Mode default Switch S1 7 configures the modem for either 4 wire full duplex or 2 wire half duplex operation 51 8 Transmitter Impedance S1 8 ON Transmitter ter
17. as possible It contains all the information you need to configure and install your modem It also contains troubleshooting information in the unlikely event you encounter a problem with your modem 6 User s Manual IG192HFP Fast Poll Modem Introduction Features The IG192HFP modem is specifically designed for harsh environments typically associated in utility substations and industrial facilities Though functionally similar to commercial modems the IG192HFP provides the following unique features that make it well suited for utility and industrial applications Packaged in rugged enclosure for industrial applications Leased line interface protected with heavy duty surge protection devices Built in hardware watchdog timer for software lock up prevention without requiring human intervention making it ideal for unmanned locations Works within an extended temperature range of 40 C to 85 C Designed with coupling transformers for high voltage isolation and common mode noise rejection in industrial and commercial environments Operate over voice band conditioned or unconditioned leased line and pilot wires Accepts power from a wide range of AC and DC power supplies e 192 90 to 265 VAC or 100 to 400 VDC e lG192HFP LV 10 to 60 VDC e lG192HFP RM Plug in module for the Motorola UDS RM16M modem nest Standard industrial connectors for data analog and power interfaces allow reliable interconnection
18. cation to occur the Rx line of one modem must connect to the Tx line of the other modem The modem s Tx Rx pair are non polarized NOTE The modem does not support leased line operation with DC shielding current Leased line connector pin assignments for the rack mount module can be found in the documentation for your Motorola UDS RM16M Table 2 4 Transmission Line Connector Pin Assignments Earth Ground optional Corresponds to This Signal m NOTE When 2 half duplex is used the TX pair must used for both transmit and receive 12 3 4 5 LINE RS 485 RS 232 10 48 VDC Figure 2 6 IG192HFP Modem Transmission Line Interface A User s Manual IG192HFP Fast Poll Modem Installation Connecting to a Voltage Source The back panel of the modem provides a 2 position screw terminal power interface connector For your convenience the DC voltage of the input power is non polarized To meet your specific application the modems can be powered from the following power sources e Model IG192HFP with AC DC power converter 90 to 265 Volts 50 to 60 Hz single phase or 100 to 400 VDC The output of the converter is a 12 VDC source that will power the modem Model IG192HFP LV DC version 10 to 60 Volts DC The model IG192HFP LV comes with a power
19. cord for making this connection Figure 2 2 on page 10 shows the connection to the Model IG192HFPFP s power interface shows the connection to the Model IG192HFP LV s power interface WARNING Before you connect voltage source observe the following power supply voltage guidelines Otherwise you will void your warranty if the wrong voltage is applied Be sure the voltage source is within the permitted ranges shown above Otherwise your modem and any attached devices may be damaged e Customer supplied cables must be suitable for the site environmental conditions Screw terminals on the power interface accept 24 to 16 AWG However surge protection is effective only if there is a solidly earthed ground connection greater than 18 AWG sure the power source is not controlled by a wall switch which can be inadvertently turned off shutting off power to the modem 22 User s Manual IG192HFP Fast Poll Modem Installation Connecting to an RS 232 Device The modem back panel provides a female 9 pin RS 232 connector that accepts an attached RS 232 device see Figure 2 2 on page 10 This connector accepts a standard connection to a DTE RTU that conforms to the pin assignments shown under Table 2 RS 232 DTE Interface in Appendix B Connecting to an RS 485 Device A RJ 11C modular jack is provided at the rear panel providing a 4 pin RS 485 or RS 422 interface in the event that your DTE or RTU does not suppor
20. e Products to be returned without first obtaining permission and a customer return order number from DCE In no event shall DCE be liable for any conseguential or incidental damages Products that have been subject to abuse misuse accident alteration neglect unauthorized repair or installation are not covered by the warranty DCE shall make the final determination as to the existence and cause of any alleged defect No liability is assumed for expendable items such as lamps and fuses No warranty is made with respect to custom products or Products produced to Customer s specifications except as specifically stated in writing by DCE in the agreement for such custom products Warranty is voided if the serial number label on the printed circuit assembly of the returned modems is removed defaced or destroyed This label contains the serial number that will provide proof of the date of manufacturing This warranty is the only warranty made by DCE with respect to the goods delivered hereunder and may be modified or amended only by a written instrument signed by a duly authorized officer or DCE and accepted by Customer This warranty and limitation extends to customer and to users of the product and is in lieu of all warranties with respect to the product whether express implied or statutory including without limitation the implied warranties of merchantability and fitness for a particular purpose 31 User s Manual IG192HFP Fast Poll Modem
21. he IG192HFP will only send out a training pattern when the transmit modem s RTS is raised from the OFF to ON state i e Switched Carrier mode However if the modems are configured in Constant Carrier mode or the RTS is ON continuously by the DIP switches no training pattern will be sent from the transmit modems When in configurations where constant carrier is received at the modem s receiver there is a possibility that the modem might lose synchronization due to transmission line interferences such as line hits line drop outs or power outage conditions In order to regain synchronization at the receiver the IG192HFP modem implements a re train algorithm which allows the receiving modem to send out a re train request to the remote modem for re train and re gain synchronization 82 10 ON Re Train Request is Enabled for 19 200 bps only S2 10 OFF Re Train Request is Disabled default 19 User s Manual IG192HFP Fast Poll Modem Installation Configuring the Jumper Blocks For Stand alone Units Jumper block JP4 is used to select RS 232 or RS 485 interface to your DTE or RTU e RS 232 A shorting jumpers is placed over pins 1 amp 2 defaull RS 485 4 wire A shorting jumper is placed over pins 2 8 3 RS 485 2 wire A shorting jumper is placed over pins 8 4 For RS 232 RS 232 RS 485 For RS 485 m 4 wire Full Duplex RS 232 RS 485 12 3 4 For RS 485 2 wire Half Duplex RS 232 RS 485 IMPORTANT W
22. he TX pair must be used for both transmit and receive T T x x x T Tx Modem 1 Modem 2 Figure 2 9 Back to Back Connection to a Second Modem User s Manual IG192HFP Fast Poll Modem Specifications RS 232 DTE Interface Table B 2 RS 232 DTE Interface Modem Input Output DB 9 Pin Description Output Data Carrier Detected ECCE Receive Data Transmit Data Signal Ground Data Set Ready Modem Ready Input Request To Send RS 485 DTE Interface Table B 3 RS 485 DTE Interface RJ 11 Pin Number Corresponds to Signal Name Modem Input or Output x Me NA hb w Environmental Specifications Operating temperature 40 to 85 G Storage temperature 40 to 85 C Operating humidity 5 to 95 non condensing Surge protection Leased line up to 15K VA 30 User s Manual IG192HFP Fast Poll Modem DATA CONNECT ENTERPRISE Appendix C Limited Product Warranty DCE warrants that the Product sold will be free from defects in material and workmanship and perform to DCE applicable published specifications for a period of 24 months from the date of delivery to Customer The liability of DCE hereunder shall be limited to replacing or repairing at its option any defective Products that are returned F O B to DCE s Olney Maryland facility or at DCE s option refunding the purchase price of such products In no case ar
23. hen you select RS 485 2 wire half duplex operation to connect to your RTU the modem must be in Switched Carrier mode S1 6 and S2 9 must be in the OFF positions The modem s CD signal is used to control the direction of the TxD and RxD Jumper block JP3 is used to set the modem s receiver termination impedance e 600 ohms A shorting jumper is placed over pins 2 amp default e High impedance Place a shorting jumper over pins 1 amp 2 For Rack Mount Plug in Modules Jumper block JP1 is used to set the modem s receiver termination impedance e 600 ohms A shorting jumper is placed over pin 2 amp default e High impedance A shorting jumper is placed over pin 1 amp 2 20 User s Manual IG192HFP Fast Poll Modem Installation Select high receiver impedance Hi Z if multiple modems are connected in a multi point configuration but without an impedance matching bridged such as private metallic circuit environment In this configuration only one receiver should be configured for 600 ohms Connecting to a Transmission Line The modem has a transmission line interface that can be configured for 2 or 4 wire analog connection where one pair Tx A and Tx B is used to transmit data and the other pair Rx A and Rx B is used to receive data The transmit pair and receive pair are non polarized Table 2 4 shows the pin numbers and corresponding signals for the modem Figure 2 6 shows the transmission line interface NOTE For communi
24. igure the modem using the DIP switches and jumpers See pages 14 and 19 Connect to a transmission line See page 21 Connect to a voltage source See page 22 Connect a DTE device See page 23 11 User s Manual IG192HFP Fast Poll Modem Installation Configuring the Modem You configure the modem using the two sets of DIP switches and two sets of configuration jumpers on the printed circuit board of the modem labeled S1 and 52 JP3 JP4 JP5 Configuration DIP switches S1 52 for the stand alone and rack mount modems identical Their descriptions in this user s manual apply to both modem versions Configuration jumper JP1 for the rack mount modem card is used to select receiver termination impedance It is important to follow the steps described below in the order shown to ensure that you configure your modem properly using the modem DIP switches 1 Use DIP switch 1 S1 to configure the modem for your host DTE interface and network topology Using S1 you select the modem s operating speed to match you host computer or RTU devices and other DTE specific operating parameters Use DIP switch 2 S2 to select the modem s transmitter output level and receiver dynamic range specific leased line conditions The S2 settings apply for both high speed fast poll QAM and low speed FSK modes After you change the DIP switch settings recycle power to the modem to have the settings take effect NOTE The DIP s
25. ix A Troubleshooting usa d hrs Cua Rd 27 Problem Solving aeea I NF OTT 27 Appendix B Specifications UMS 28 General Specifications c 28 Mechanical Specifications 29 Interface Connector Pin 29 RS 232 DTE Interface 30 RS 485 DTE ET 30 Environmental Specifications u 30 Appendix C Limited Product Warranty 31 Appendix D RMA Procedutre 32 iv User s Manual IG192HFP Fast Poll Modem Contents Figures Figure 1 1 Point to Point Network Using the IG192HFPFP Modem 8 Figure 1 2 Multipoint Polling Network Using the IG192HFPFP 8 Figure 2 1 Front View of the IG192HFP 10 Figure 2 2 Back View of IG192HFP 224 10 Figure 2 3 Rack Mount Module for the IG192HFP RM Modem Board 11 Figure 2 4
26. mination is controlled by RTS 51 8 OFF Transmitter always terminated with 600 O default Switch S1 8 is used for multi point configuration networks When multiple modems are connected on the same metallic circuit The transmitter termination should be of high impedance if the modem is not transmitting in order not to put a load on the transmission line The transmitter is only terminated with 600 ohms when RTS is asserted This configuration should be used for all slave modems to prevent the transmitting modem from being unnecessarily burdened To select this configuration set switch S1 8 ON for the slave modems such that the slave modem is in high impedance when not transmitting 16 User s Manual IG192HFP Fast Poll Modem Installation If you use the modem with transmission lines that are transformer coupled or with an impedance isolated network such as a transformer bridge set switch S1 8 OFF for proper operation S1 9 Remote Loopback Enable S1 9 ON Loopback enabled S1 9 OFF Loopback disabled default During instances of channel noise the modem may mistake a received preamble as a request to go into remote digital loopback Setting switch S1 9 to OFF prevents the modem from participating in a remote digital loopback with another modem Switch S1 9 does not prevent the modem from sending a remote digital loopback request to a remote modem S1 10 Reserved Test Only S1 10 must be OFF Switch
27. on This chapter describes how to configure and install the modem to maximize the performance and to match with your Data Terminal Equipment DTE or Remote Terminal Unit RTU Unpacking Your Hardware Your package should include At least one of the following IG192HFP modems Model IG192HFP for 90 to 265 VAG Model IG192HFP LV for 10 to 60 VDC Model IG192HFP RM for RM16M plug in module A switching power supply module for 90 265VAC input model IG192HFP only A leased line cable with optional earth ground conductor for stand alone units only A DC power cable model IG192HFP LV modem only This User s Manual or CD ROM If your package contents are damaged or missing contact your place of purchase Additional Items You Need to Complete Your Installation To complete your installation and operate your modem you need these additional items Two or four wire transmission line or leased line A DB 9 data cable for your RS 232 interface Data Terminal Equipment DTE port or a RJ 11C data cable for your RS 485 DTE Power supply that provides either 90 to 265 Volts AC 50 to 60 Hz single phase or 100 to 400 VDC if you have the model IG192HFP modem or 10 to 60 Volts DC if you have the model IG192HFP LV modem For the IG192HFP RM consult the documentation for your Motorola UDS RM16M 9 User s Manual IG192HFP Fast Poll Modem Installation Hardware Overview Front View Figure 2 1 shows the front
28. reaming is used in multi point applications to prevent a malfunctioning slave data terminal or RTU from occupying the line indefinitely When anti streaming is active the modem can transmit data for a maximum of 27 seconds before the transmitter turns off automatically The modem then looks for an ON to OFF RTS transition before proceeding with normal operation Anti streaming can be selected in either high speed or low speed mode S2 8 RTS CTS Delay Bell 202 Mode Only S2 8 ON 33 0 ms delay S2 8 OFF 8 0 ms delay default Switches S2 8 determines the duration of the RTS CTS delay in Bell 202 mode For V 23 mode the RTS CTS delay is fixed at 33 ms 18 User s Manual IG192HFP Fast Poll Modem Installation S2 9 Forced RTS ON Constant RTS S2 9 ON Force modem s internal RTS to It also force the modem to turn on CTS and the transmit carrier S2 9 OFF Internal RTS is controlled by the RTU default Switch 2 9 will force the modem to turn on its internal RTS CTS and transmit carrier continuously allowing the RTU and DTE to operate with the modem without supplying RTS signal This is primary used by DTE s or RTU s that support only TD RD and SG signals S2 10 Re Train Reguest Enabled When the IG192HFP modems are operating in high speed polling modes the modem s receivers require a special training pattern from the remote transmit modem to synchronize the receive timing before data can be received T
29. st will verify the modem transmitter receiver and its RS 232 interface along with the connecting cable Local digital loopback started by pressing the button two times The DLB LED should be ON When a DTE is connected to the RS 232 port of the modem the transmit data is loop back to the DTE as receive data This test will verify the modem s RS 232 interface along with the cable attached Remote digital loopback set the local modem s RTS signal to low Press the local modem s diagnostics test button three times Both the ALB and DLB LEDs should be ON Then raise the local modem s RTS signal to start the test The ALB and DLB LEDs of the remote modem should go ON when the modem is responded to remote digital loopback This test will verify both modems transmitters receivers and the leased line 25 User s Manual IG192HFP Fast Poll Modem 26 Installation NOTE Be sure switch S1 9 is set to the ON position to enable the remote modem to respond to remote digital loopback requests This test is only available in fast poll mode at 2400 bps or higher Figure 2 8 shows these three loopback diagnostics I TT D Leased Line Receiver Local Host Analog Loop Back Transmitter E IL Leased Line Local Host Digital Loop Back V e Leased Line Remote RTU Digital Loop Back
30. t the RS 232 interface see Figure 2 2 on page 10 and Figure 2 7 The RS 485 interface supports 4 wire full duplex or 2 wire half duplex NOTE When RS 485 is used configure the jumper blocks described on page 20 properly and enable either Auto RTS or Constant RTS from the DIP switches S1 amp S2 The pin assignments for the RS 485 interface are listed in Table 2 5 Pin 6 Pin 1 m Figure 2 7 Pin Locations on the Modem s RJ 11C Jack Table 2 5 RJ 11C Modular Jack Pin Assignments RJ 11 Pin Number Corresponds to Signal Name Modem Input or Output G ue 23 User s Manual IG192HFP Fast Poll Modem Installation Modem DTE RTU 4 wire RS 485 Connection Modem DTE RTU RxD TxD 2 5 RxD TxD Not Used 2 wire RS 485 Connection 24 User s Manual IG192HFP Fast Poll Modem Installation LEDs The front panel of the modem provides the LEDs shown in Table 2 5 Table 2 6 Modem LEDs m Yee wa Yebw 5 HAB ous Tr Loopback Control Switch The front panel of the modem has a push button for initiating the following loopback diagnostic tests Local analog loopback started by pressing the button one time The ALB LED should be ON When a DTE is connected to the RS 232 port of the modem the transmit data is loop back to the DTE as receive data This te
31. witch settings will not take effect until you recycle power to the modem To access the configuration DIP switches and jumpers on the stand alone modem 1 Ground yourself to discharge any ESD which might cause damage to the sensitive devices on the modem board Disconnect and remove all the cables attached to the rear panel connectors Use a small Philips screw driver to remove the front panel and carefully slide the modem board out of the enclosure The location of the DIP switches and jumpers for the stand alone modem are shown in Figure 2 4 For DIP switches and jumpers on the rack mount plug in module see Figure 2 5 Carefully return the modem board into the enclosure Then replace the front panel after the configuration is completed User s Manual IG192HFP Fast Poll Modem Installation Configuration Switches 51 amp 52 JP3 8 JP4 Configuration Jumpers Earth Ground Signal Ground Connection BB 2 29 TRE RS232 5485 m oin N OPEN 19 19 er roo OOOO NN NU Ed 24 ld i m Figure 2 4 IG192HFP Fast Poll Stand alone Modem Board Configuration DIP Switches o J2 Configuration Jumper for Receiver Termination
Download Pdf Manuals
Related Search