Telenetics DSP 9612 User's Manual
Contents
1. RTS CTS Delay 9600 4800 or 0 1800 bps asynchronous 8 or 9 data bits with 1 or more stop bits EIA RS 232 or V 24 compatible TELCO Voice band 4 or 2 wire leased line conditioned or unconditioned Private metallic circuits up to 9 5 miles 24 AWG without cable equalizer Up to 15 0 miles 24 AWG with TX and RX cable equalizer 2 wire half duplex or 4 wire full duplex High speed fast poll Telenetics proprietary FSK Bell 202T or V 23 compatible e 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 23 ms fast poll 8 33 59 or 219 ms Bell 202 33 ms V 23 Page 35 Specifications Receiver dynamic range Operating temperature Power supply Surge protection Carrier control Carrier loss recovery Throughput delay Auto RTS Anti Streaming 0 to 30 dBm or 10 to 43 dBm 40 C to 85 C Wide range switching power supply e DSP9612FP AC version 85 to 265Volts AC 50 60 Hz single phase or 85 to 400 VDC e DSP9612 LV DC version 10 to 53 Volts DC Leased line up to 15KV Constant or switched DIP switch selectable Train on Data Less than 10 milliseconds for fast polling Support DTE without hardware RTS high speed only 27 second timer to prevent transmitter lock up network Mechanical Specifications Enclosure Dimensions Weight Interface connectors Leased line Data Ter2. Table 2 3 shows the modem switch settings for DIP switch SW2 A description of the SW2 switch settings follows the table Table 2 3 Modem Switch Settings for DIP Switch SW2 Switches Switch Settings ON OFF Default SW2 1 FSK Mode page 18 V 23 Bell 202 SW2 2 Receiver Squelch page 18 Turnaround Turnaround valid for FSK mode 2 wire half duplex Squelch Bell Squelch Bell 202 operation only 202 8ms Oms Turnaround Turnaround Squelch V 23 Squelch V 23 150ms Oms SW2 3 FSK Soft Carrier page 19 Disabled Enabled SW2 4 and SW2 5 FSK RTS CTS see Table 2 4 Delay page 19 SW2 6 FSK CD Delay page 20 23ms 6ms SW2 7 Remote Loopback page 20 Enabled Disabled SW2 8 Reserved Test Only page 20 Test Normal Page 17 Installation SW2 1 FSK Mode SW2 1 ON ITU T V 23 mode OFF Bell 202 mode The modem has two FSK modes Bell 202 which supports data rates from 0 to 1800 bps ITU T V 23 which supports data rates from 0 to 1200 bps SW2 1 configures the modem for either of these FSK modes Setting SW2 1 to ON selects ITU T V 23 mode In this mode the modem complies with ITU T CCITT recommendation V 23 with the following parameters Mode 2 modulation only No backward channel No provisions for disablement of echo suppressors DTR circuit 108 is ignored Setting SW2 1 OFF selects Bell 202 mode SW2 2 Receiver Sque
3. 4 shows how to set these switches to select the appropriate setting Table 2 4 RTS CTS Delay Settings in Bell 202 Mode To Select Set SW2 4 to And Set SW2 5 to a Delay of 8ms OFF OFF 33ms OFF ON 59ms ON OFF 219ms ON ON Page 19 Installation When the modem is configured for V 23 operation SW2 1 ON the RTS CTS delay is fixed at 33 ms SW2 6 FSK CD Delay Bell 202 Mode Only SW2 6 ON 23ms OFF 6ms SW2 6 selects the FSK CD delay and is valid when Bell 202 mode is active SW2 1 OFF Setting SW2 6 ON configures the modem to turn on CD 23 milliseconds after it detects a valid carrier signal Setting this switch to OFF configures the modem to turn on CD 6 milliseconds after it detects a valid carrier signal This switch setting is deactivated when the modem is configured for V 23 mode SW2 1 ON and a delay of 18 milliseconds is used instead SW2 7 Remote Loopback SW2 7 ON Loopback enabled OFF Loopback disabled During instances of channel noise the modem may mistaken a received preamble as a request to go into remote digital loopback Setting SW2 7 to OFF prevents the modem from participating in a remote digital loopback with another modem SW2 7 does not prevent the modem from sending a remote digital loopback request to a remote modem SW2 8 Reserved Test Only SW2 8 Must be OFF SW2 8 must be in the OFF position for norma
4. Modem Ready ALB Red Analog Loopback DLB Red Digital Loopback When the modem is in remote loopback both the ALB and DLB LEDs go ON Page 29 Installation 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 Local digital loopback started by pressing the button two times Remote digital loopback set the local modem s RTS signal to low Then press the remote modem s diagnostics button three times and raise the local modem s RTS signal to start the test The ALB and DLB LEDs go ON when the modem is in remote digital loopback This test is only available in fast poll mode only Figure 2 4 illustrates these three diagnostics Modem in Analog Loopback Local Modem Modem in Digital Loopback Local Modem Modem in Remote Loopback Modem Forced into Digital Local Modem Loopback by Remote Modem Figure 2 4 Loopback Diagnostics Page 30 Appendix A Troubleshooting n the event you encounter a problem using your Telenetics modem refer to the troubleshooting information in this appendix w If you encounter a problem with your modem be sure the switches on the bottom of the modem are set to the appropriate positions If a switch is halfway between an on and off setting the modem will not operate properly IMPORTANT Problem Solvi
5. can be configured for 2 or 4 wire analog connection where one pair is used to transmit data Tx and Tx and one pair is used to receive data Rx and Rx Table 2 7 shows the pin numbers and corresponding signals for the modem Figure 2 4 shows the transmission line interface Note For communication 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 operations with DC current Table 2 7 Transmission Line Connector Pin Assignments This Pin Number Corresponds to This Signal 1 Rx 2 Rx 3 Tx 4 Tx Page 26 Connecting to a Voltage Source Bis niques PIP Switch SW3 7 ON i TXRX TURX Rx Tx I 4 Wire Configuration DIP Switch SW3 7 OFF POWER ieee ieee RS 232 Figure 2 4 Transmission Line Interface Connecting to a Voltage Source The back panel of the modem provides the power interface For convenience the modems can be powered from the following power sources Model DSP9612FP AC version 85 to 265 Volts AC 50 to 60 Hz single phase or 85 to 400 VDC Model DSP9612 LV DC version 10 to 53 Volts DC The model DSP9612 LV comes with a shielded power cord for making this connection Figure 2 1 on page 10 shows the connection to the Model DSP9612FP s power interface Figure 2 2 on page 11 shows the connection to t
6. 4 interface Local analog local digital and remote digital loopback diagnostics Page 6 Applications Applications The DSP9612 modem is designed for point to point and multipoint data communications Figure 1 1 shows a typical multipoint configuration Host Host Modem RS 232 re Bai TIZI DSP9612FP im D mu DSP9612FP DSP9612FP DSP9612FP Figure 1 1 Network of Multipoint Configuration There are a number of factors that can affect the network s and modem s operation and performance These include Operating speed 2 wire or 4 wire configuration Transmission line characteristics noise and line impairments Network configuration point to point or multipoint Number of nodes on the network Page 7 Introduction NOTES Page 8 Chapter 2 Installation T his chapter describes how to install the modem Unpacking Your Hardware Your package should include At least one of the following DSP9612 modems Model DSP9612FP for 85 to 265 VAC Model DSP9612 LV for 10 to 53 VDC A leased line cable A shielded DC power cable model DSP9612 LV modem only This User s Guide If your package contents are damaged or missing please contact your place of purchase immediately Additional Items You Need To use your modem you need the following additional items Two or four wire transmission line or leased line A DB25 F data cable for your
7. 6 Must be OFF SW3 6 must be in the OFF position for normal operation SW3 7 2 4 Wire Operation SW3 7 ON 2 Wire Half Duplex Mode OFF 4 Wire Full Duplex Mode SW3 7 configures the modem for 4 wire full duplex or 2 wire half duplex operation Page 24 Configuring the Modem SW3 8 Carrier Control SW3 8 ON Constant OFF Switched SW3 8 selects either constant or switched carrier Constant carrier allows DTEs such as asynchronous dumb terminals or RTUs to operate with modems without the input RTS signal When constant carrier mode is enabled SW3 8 set to ON the modem forces the transmit carrier active and the RTS CTS delay is minimum lt 0 5 ms You can use constant carrier in 4 wire point to point or multi point applications from master to slave modems In switched carrier mode SW3 8 set to OFF the RTS CTS delay is active SW3 9 RX Termination SW3 9 ON Enable Rx Termination OFF Disable Rx Termination SW3 9 selects whether RX termination is enabled for a modem If you set this switch ON the receiver is terminated with 600 Q If you set this switch OFF the receiver is not terminated SW3 10 Grounding Option SW3 10 ON Signal Ground and Earth Ground are Connected OFF Signal Ground and Earth Ground are Separated Page 25 Installation Connecting to a Transmission Line The modem has a transmission line interface that
8. Data Terminal Equipment DTE port Page 9 Installation A power supply that provides either 85 to 265 Volts AC 50 to 60 Hz single phase or 85 to 400 VDC if you have the model DSP9612FP modem or 10 to 53 Volts DC if you have the model DSP9612 LV modem Hardware Overview Back View Figures 2 1 and 2 2 show the back view of the two DSP9612 modem models Starting from the left side these views show A 4 wire 2 wire configuration block See page 26 A female 25 pin RS 232 connector for connecting a standard DTE RTU See page 28 A POWER ON OFF switch A power connector See page 27 Leased Line DTE Connection Power Switch Power Source Figure 2 1 Back View of Model DSP9612FP Modem Page 10 Hardware Overview V IN GROUND lt OPTIONAL Leased Line DTE Connection Power Switch Power Source Figure 2 2 Back View of Model DSP9612 LV Modem Front View The Model DSP9612FP and Model 9612 LV modems have identical front panels Figure 2 3 shows the front view of the modem Starting from the left side this view shows A set of nine LEDs See page 29 D A loopback test switch See page 30 FlashPoll PWR RTS CTS TXD RXD DCD DSR ALB DLB Figure 2 3 Front View of Modem Page 11 Installation Installation Summary The modem installation involves the following steps 1 Findinga suitable location for the modem See the section below 2 Configuring th
9. FlashPoll Telensti PWR RTS CTS TXD RXD DCD DSR ALB DLB DSP 9612 Flash Poll Modem User s Guide Complements of ARC Electronics 800 926 0226 arc arcelect com www arcelect com 0049 0117 100 Rev A Contents CHAPTER 1 INTRODUCTION rvrrsrsrerenseseenesesecesescenionee 5 FEATURES iaia aaa 6 APPLICATIONS E Re RENI ALE 7 CHAPTER 2 INSTALLATION orverrrrcrresescenenseseenesesesinsesceninee 9 UNPACKING YOUR HARDWARE ii 9 ADDITIONAL ITEMS YOU NEED 9 HARDWARE OVERVIEW c iii 10 BOCK VAC Wea actos 0 tao i E Aa a 10 FrontVieW icabilur iaia ua 11 INSTALLATION SUMMARY LL iii 12 FINDING A SUITABLE LOCATION 12 CONFIGURING THE MODEM is iii 13 SWI DIP Switch Settings 14 SW2 DIP Switch Settings 17 SW3 DIP Switch Settings ss 21 CONNECTING TO A TRANSMISSION LINE 26 CONNECTING TO A VOLTAGE SOURCE cccccessssssscseceseesssssseseeeseenseeees 27 CONNECTING AN RS 232 DEVICE ii 28 LEDS unnn Ann aaa 29 LOOPBACK CONTROL SWITCH cccssssssecsescecesssececsseeeecsseeeesssaeeeesenaees 30 APPENDIX A TROUBLESHOOTING orrrrrcrrerrereeoe 31 PROBLEM SOLVING i cii alan 31 APPENDIX B DIP SWITCH SUMMARY mere 33 APPENDIX C SPECIFICATIONS sccccssssscssssccessecessscccessseee 35 GENERAL SPECIFICATIONS verrerie e a E 35 MECHANICAL SPECIFICATIONS seen 36 INTERFACE CONNECT
10. N ON OFF OFF 13 dBm ON ON OFF ON 14 dBm ON ON ON OFF 3 dBm ON ON ON ON Page 15 Installation SW1 5 Receiver Dynamic Range SWI 5 ON 10 to 43 dBm OFF 3 to 30 dBm For a low receive signal level set SW1 5 to ON 43 dBm For short distances or to select a strong receive signal set SW1 5 to OFF SW1 6 and SW1 7 Cable Equalizer Fast Poll Mode Only SW1 6 ON Enable TX Cable Equalizer OFF Disable TX Cable Equalizer SW1 7 ON Enable RX Cable Equalizer OFF Disable RX Cable Equalizer To improve or extend the modem s polling performance use the fixed Compromise Cable Equalizer when polling on long metallic circuits The cable equalizer is active only when the modem is in fast poll mode SW3 1 set to OFF SW1 8 Anti streaming SW1 8 ON Anti streaming active OFF Anti stream inactive Typically anti streaming is used in multi point applications to prevent a malfunctioning slave modem 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 Request To Send RTS transition before proceeding with normal operation Anti streaming can be selected in either high speed or low speed mode Page 16 SW2 DIP Switch Settings Configuring the Modem SW2 is an 8 position DIP switch
11. OR PIN ASSIGNMENTS ss 37 RS 232 DTE Interface iieaoe kerikeri eins ia rinsio 38 ENVIRONMENTAL SPECIFICATIONS ci cere 38 COMPLIANGES talloni diano a 39 APPENDIX D COMPLIANCES srrrrrrrrrerrresceneeseceneeneone 41 APPENDIX E LIMITED PRODUCT WARRANTY ms 43 APPENDIX F RMA PROCEDURE vvsrrrsrrrrrscerissesconensene 44 Page ili Contents NOTES Page iv Chapter 1 Introduction S ongratulations for purchasing the finest industrial grade fast poll modem available The Telenetics DSP9612 Flash Poll modem is a 9600 4800 0 1800 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 Telenetics proprietary 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 DSP9612 modem is ideally suited for multi point communication systems that require fast response time short training time and low throughput delay The DSP9612 is the most technologically advanced modem on the market This User s Guide describes both the DSP9612FP AC powered modem and the DSP9612 LV DC powered modem This manual is intended to let you get your modem up and running as quickly as possible It contains all t
12. SW1 settings apply for both high speed fast poll and low speed FSK modes Page 13 Installation SW1 DIP Switch Settings SWI is an 8 position DIP switch Table 2 1 shows the modem switch settings for DIP switch SW1 A description of the SW1 switch settings follows the table Note SWI settings apply for both high speed fast poll and low speed FSK modes Table 2 1 Modem Switch Settings for DIP Switch SW1 Switches Switch Settings ON OFF Default SWI1 1 1 4 Transmit Level page 15 see Table 2 2 on page 15 SW1 5 Receiver Dynamic Range 10 to 43 dBm 3 to 30 dBm page 16 SW1 6 TX Cable Equalizer page 16 Enabled Disabled SW1 7 RX Cable Equalizer page 16 Enabled Disabled SW1 8 Anti streaming page 16 Active Inactive Page 14 Configuring the Modem SW1 1 through SW1 4 Transmit Level Switches SW1 1 through SW1 4 adjust the modem s transmit level Table 2 2 shows the transmit levels you can select using these switches Table 2 2 Transmit Levels SW1 through SW4 Switch Settings Dit level SWI 1 SW1 2 SW1 3 SW1 4 0 dBm OFF OFF OFF OFF 1 dBm OFF OFF OFF ON 2 dBm OFF OFF ON OFF 3 dBm OFF OFF ON ON 4 dBm OFF ON OFF OFF 5 dBm OFF ON OFF ON 6 dBm OFF ON ON OFF 7 dBm OFF ON ON ON 8 dBm ON OFF OFF OFF 9 dBm ON OFF OFF ON 10 dBm ON OFF ON OFF 11 dBm ON OFF ON ON 12 dBm O
13. Web site Telenetics com support rma Fill in all blanks and click on the Submit button If you think 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 request Repairs currently require 5 10 working days and are returned UPS second day air Page 44 RMA Procedure Page 45
14. ating modes Table 2 6 Modem Operating Mode To Select Set SW3 1 to And the DRS Signal Fast poll mode OFF Is not connected or is set HIGH FSK mode OFF Is set LOW FSK mode ON Doesn t care You should use the DRS signal in RTS control mode It does not work in either constant carrier mode SW3 8 set to ON or in the auto RTS mode SW3 4 set to ON The DRS signal is only sampled when the transmitter is idle when not sending a preamble data or a turn off sequence Note that DRS controls both the transmitter and receiver If DRS changes states while the modem is receiving a preamble data or a turn off sequence the state of the receiver is unknown until the carrier drops and a new preamble is received We recommend that DRS does not change states until both the local and remote modems transmitters are in the idle state When they are both the local and remote modems DRS signal should change states Page 22 Configuring the Modem SW3 2 Data Rate Fast Poll Mode Only SW3 2 ON 4800 bps OFF 9600 bps SW3 2 configures the modem speed When the modem is in high speed fast poll mode SW3 1 OFF setting SW3 2 ON selects 4800 bps while setting SW3 2 OFF selects 9600 bps SW3 3 Async Character Fast Poll Mode Only SW3 3 ON 11 bits OFF 10 bits Switch SW3 3 selects whether the async character is 10 or 11 bits long When the modem is in high speed fa
15. d a customer return order number from Telenetics In no event shall Telenetics be liable for any consequential or incidental damages Products which have been subject to abuse misuse accident alteration neglect unauthorized repair or installation are not covered by the warranty Telenetics 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 Telenetics in the agreement for such custom products This warranty is the only warranty made by Telenetics 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 Telenetics 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 Page 43 Appendix F RMA Procedure Return Merchandise Authorization RMA Procedure Before returning any Telenetics product an RMA number must be obtained Before asking for an RMA number ascertain that the product was purchased from Telenetics If you bought the product from a Distribu
16. e modem See page 13 3 Connecting to a transmission line See page 25 4 Connecting to a voltage source See page 27 5 Connecting a DTE device See page 28 Finding a Suitable Location The location you select should provide easy access to the back panel communications interface s and front panel power interface It should also let you view all the LEDs on the front panel Note Telenetics also offers a rack mount version of this modem Model DSP9612RM as a plug in module for the Telenetics UDS RM16M Central Site Modem Rack For more information contact Telenetics Corporation s Sales Department at 949 455 4000 Page 12 Configuring the Modem Configuring the Modem You configure the modem using the three sets of DIP switches on the bottom of the modem w It is important to follow the three steps described below in the order shown to ensure that you configure IMPORTANT 1 your modem properly using the modem DIP switches Use DIP switch 3 SW3 to configure the modem for your host DTE interface and network topology Using SW3 you select the modem to operate in high speed fast poll or low speed FSK mode If you set SW3 for FSK mode in step 1 use DIP switch 2 SW2 to configure the modem for either Bell 202T or ITU T V 23 compatibility Otherwise you can use the modem in fallback mode Use DIP switch 1 SW1 to select the modem s transmitter output level and receiver dynamic range The
17. g page 16 Active Inactive SW2 1 FSK Mode page 18 V 23 Bell 202 SW2 2 Receiver Squelch page 18 Turnaround Turnaround valid for FSK mode 2 wire half duplex Squelch Bell Squelch Bell 202 operation only 202 8ms Oms Turnaround Turnaround Squelch V 23 Squelch V 23 150ms Oms SW2 3 FSK Soft Carrier page 19 Disabled Enabled SW2 4 and SW2 5 FSK RTS CTS Delay page 19 see Table 2 4 SW2 6 FSK CD Delay page 20 23ms 6ms SW2 7 Remote Loopback page 20 Enabled Disabled SW2 8 Reserved Test Only page 20 Test Normal Page 33 DIP Switch Summary Ground Option page 25 Switches SwitchSettings ON OFF Default SW3 1 Fast Poll FSK page 22 FSK Fast Poll Auto Rate SW3 2 Data Rate page 23 4800 bps 9600 bps SW3 3 Async Character page 23 11 bits 10 bits SW3 4 Auto RTS page 23 Enabled Disabled SW3 5 Transmitter Termination page Switched by RTS 600 Q 24 SW3 6 Reserved Test Only page 24 Test Normal SW3 7 2 or 4 wire page 24 2 wire half duplex 4 wire full duplex SW3 8 Carrier Control page 25 Constant Switched SW3 9 Rx Termination page25 600 Q High Rx Impedance SW3 10 Signal Ground and Earth Connected Separated Page 34 Appendix C Specifications General Specifications Data rate Data format DTE interface Line conditions Operating modes Modulation Equalizer
18. graph d of the FCC Rules and Regulations states Where special accessories such as shielded cables are required in order to meet FCC regulations shielded cables must be used with this equipment Operation with non approved equipment or unshielded cables is likely to result in interference to radio and TV reception The user is cautioned that changes and modifications to this equipment without the approval of the manufacturer could void the user s authority to operate this equipment Page 41 Compliances Department of Canada Statement This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numerique de la classe A respecte toutes les exigences du Reglement sur le materiel brouilleur du Canada Page 42 Appendix E Limited Product Warranty Telenetics warrants that the Product sold will be free from defects in material and workmanship and perform to Telenetics applicable published specifications for a period of 18 months from the date of delivery to Customer or 12 months from placement into service whichever occurs first The liability of Telenetics hereunder shall be limited to replacing or repairing at its option any defective Products which are returned F O B Telenetics facility Lake Forest California or at Telenetics option refunding the purchase price of such products In no case are Products to be returned without first obtaining permission an
19. he Model DSP9612 LV s power interface Page 27 Installation Va WARNING Before you connect a 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 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 guaranteed only if the ground wire is greater than 18 AWG and if there is a solidly earthed ground connection Be sure the power source is not controlled by a wall switch which can be inadvertently turned off shutting off power to the modem Connecting an RS 232 Device The modem back panel provides a female 25 pin RS 232 connector that accepts an attached RS 232 device see Figure 2 1 on page 10 This connector accepts a standard connection to a DTE RTU that conforms to the pin assignments shown under RS 232 DTE Interface on page 38 Page 28 LEDs LEDs The front panel of the modem provides the LEDs shown in Table 2 8 Table 2 8 Modem LEDs LED Color Description PWR Green Power Input RTS Yellow Request To Send CTS Yellow Clear To Send TD Yellow Transmit Data RD Yellow Receive Data CD Yellow Carrier Detect MR Yellow
20. he 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 Page 5 Introduction Features The DSP9612 modem is specifically designed for harsh environments found in utility substations and industrial facilities Though functionally similar to commercial modems the DSP9612 provides the following unique features that make it well suited for utility and industrial applications Packaged in a rugged compact enclosure for industrial applications Leased line interface protected with heavy duty surge protection hardware 15KV Requires no 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 DSP9612FP 85 to 265 VAC or 85 to 400 VDC DSP9612 LV 10 to 53 VDC Standard industrial connectors for data analog and power interfaces allow reliable interconnection to other industrial equipment Asynchronous data rates selectable of 9600 4800 and 0 1800 bps Easily accessible DIP switches for user configuration and option selection DB25 connector for RS 232 V 2
21. l operation Page 20 SW3 DIP Switch Settings Configuring the Modem SW3 is a 10 position DIP switch Table 2 5 shows the modem switch settings for DIP switch SW3 A description of the SW3 switch settings follows the table Table 2 5 Modem Switch Settings for DIP Switch SW3 Switches Switch Settings ON OFF Default SW3 1 Fast Poll FSK page 22 FSK Fast Poll Auto Rate SW3 2 Data Rate page 23 4800 bps 9600 bps SW3 3 Async Character page 23 11 bits 10 bits SW3 4 Auto RTS page 23 Enabled Disabled SW3 5 Transmitter Termination page Switched by RTS 600 Q 24 SW3 6 Reserved Test Only page 24 Test Normal SW3 7 2 or 4 wire page 24 2 wire half duplex 4 wire full duplex SW3 8 Carrier Control page 25 Constant Switched SW3 9 Rx Termination page25 600 Q High Rx Impedance SW3 10 Signal Ground and Earth Connected Separated Ground Option page 25 Page 21 Installation SW3 1 Fast Poll Auto Rate FSK SW3 1 ON Low Speed Mode FSK OFF High Speed Mode Fast Poll The modem has two operating modes FSK mode which supports data rates from 0 to 1800 bps Fast poll mode which supports data rates of 4800 and 9600 bps SW3 1 along with the Data Rate Selector DRS pin on the modem s RS 232 connector configures the modem for either FSK or fast poll mode Table 2 6 shows how SW3 1 and the DRS signal configure the modem for these oper
22. lch FSK Mode 2 Wire Half Duplex Only SW2 2 ON 8ms for Bell 202 150ms for ITU T V 23 OFF Oms SW2 2 configures the turnaround squelch delay and is valid when the following are active FSK mode SW3 1 ON 2 wire half duplex operation SW3 7 ON Setting this switch to OFF configures the modem to enable its receiver immediately after the Request To Send RTS signal is turned off When this switch is set to OFF and the modem is configured for 2 Page 18 Configuring the Modem wire half duplex mode SW3 7 ON the modem squelches the receiver after RTS is turned off to prevent far end echoes from causing data errors The duration that the modem squelches the receiver is either 8 milliseconds if the modem is configured for Bell 202 mode SW2 1 OFF 150 milliseconds if the modem is configured for ITU T V 23 mode SW2 1 ON SW2 3 FSK Soft Carrier Bell 202 FSK Mode Only SW2 3 ON None OFF 8ms SW2 3 controls the soft carrier and is valid for Bell 202 FSK mode only SW2 1 set to OFF Setting this switch to OFF configures the modem to transmit a 900 Hz soft carrier to the remote modem for 8 milliseconds after RTS is turned off Setting this switch to ON prevents the modem from transmitting a soft carrier after RTS is turned off SW2 4 and SW2 5 RTS CTS Delay Bell 202 Mode Only Switches SW2 4 and SW2 5 determine the duration of the RTS CTS delay in Bell 202 mode Table 2
23. minal Equipment Aluminum with removable front and rear panels 5 70 wide x 8 30 long x 1 50 high 1 9 Ibs 4 position screw terminal DB 25 female connector Page 36 Interface Connector Pin Assignments Interface Connector Pin Assignments Leased Line Terminal Block Pin Assignments This Pin Corresponds to Number This Signal 1 Rx 2 Rx 3 Tx 4 Tx Back to Back Connection to a Second Modem Modem 1 Mode m 2 Page 37 Specifications RS 232 DTE Interface Signal Name Modem Input Output DB25 Pin Description Earth GND 1 Earth Ground TXD Input 2 Transmit Data RXD Output 3 Receive Data RTS Input 4 Request To Send CTS Output 5 Clear To Send DSR Output 6 Data Set Ready Modem Ready SG 7 Signal Ground DCD Output 8 Data Carrier Detected DRS Input 23 Data Rate Select Environmental Specifications Operating temperature 40 to 85 C Storage temperature 40 to 125 C Operating humidity 5 to 95 non condensing Line Isolation 3750 V RMS Surge protection Leased line up to 15K VA Page 38 Compliances Compliances The modem is designed to meet the following agency requirements EMI RFI FCC part 15 for Class A computing device Industry Canada Emissions Page 39 Specifications NOTES Page 40 Appendix D Compliances This device complies with Part 15A of the FCC Rules Operation is s
24. ng Table A 1 offers troubleshooting solutions for modem problems Table A 1 Troubleshooting Suggestions If Perform These Procedures Modem does not respond to Check the power supply input for your the attached DTE and the all specific model see page 27 LEDs are off Modem does not receive data The receive line pair may be and the DCD and RxD LEDs disconnected from the modem Make are off sure the transmission line connection to the modem is accurate and secure The receive signal level may be below the CD threshold Set SW1 5 ON to see whether configuring the modem for a 43 dBm threshold resolves the Page 31 Troubleshooting Table A 1 Troubleshooting Suggestions If Perform These Procedures problem The RTS CTS and TxD The attached terminal or DTE may not LEDs do not blink 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 Page 32 Appendix B DIP Switch Summary Switches Switch Settings ON OFF Default SWI1 1 1 4 Transmit Level page 15 see Table 2 2 on page 15 SW1 5 Receiver Dynamic Range 10 to 43 dBm 3 to 30 dBm page 16 SW1 6 TX Cable Equalizer page 16 Enabled Disabled SW1 7 RX Cable Equalizer page 16 Enabled Disabled SW1 8 Anti streamin
25. st poll mode SW3 1 OFF setting SW3 3 ON selects an 11 bit async characters while setting SW3 3 OFF selects a 10 bit async character SW3 4 Auto RTS Fast Poll Mode Only SW3 4 ON Enable Auto RTS OFF Disable Auto RTS For data terminals that do not support hardware RTS set SW3 4 to ON to enable auto RTS mode In this mode TXD is detected at the modem and an internal RTS signal is turned ON After training completes the TXD is transmitted to the remote modem The transmitter turns off if no TXD is detected after 1 character length of idle time Auto RTS is used in fast poll mode only SW3 1 set to OFF Page 23 Installation SW3 5 Transmitter Termination SW3 5 ON Switched by RTS OFF 600 Q SW3 5 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 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 SW3 5 ON on the slave modems If you use the modem with transmission lines that are transformer coupled or with an impedance isolated network such as a transformer bridge set SW3 5 OFF for proper operation SW3 6 Reserved Test Only SW3
26. tor or Systems Integrator the product should be returned to that vendor The most convenient method to obtain an RMA number for a product purchased from Telenetics is to send an email to support telenetics com Information required must include Your Company Name address the actual address that we would use to return the product to you Please include any Mail Stop or specific delivery information The City State and zip code are all required Your phone and FAX numbers Your email address If the above information is on your letterhead that format is acceptable For each item you wish to return List 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 and 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 review of the problem an RMA number will be assigned you will be notified by email or FAX The product must be properly packed and returned to Telenetics 25111 Arctic Ocean Lake Forest CA 92630 The RMA number must be legibly displayed on the shipping carton No RMA s will be issued without a product review Telenetics will not be responsible for any product returned without an RMA number In the near future the RMA form will be available on our
27. ubject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15A of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected Consult the dealer or an experienced radio TV technician for help If none of these actions resolves the problem consult your distributor or an experienced radio television technician for additional suggestions Additionally Section 15 838 para
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