USER MANUAL MODEL 1075 KiloModem II AC Powered, High
Contents
1. ISO m An ISO 9001 Certified Company USER MANUAL MODEL 1075 KiloModem II AC Powered High Speed X 21 Short Range Modem Tlectreaice Uo PE PATTON M s ElecironicsTo Part 07M1075 B SALES OFFICE Doc 054081U Rev C Revised 1 23 08 801 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 1075 components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modification If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequential damages arising from the use of or inability to use this product Patton Electronics specifically disclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user 1 1 RADIO AND TV INTERFERENCE The Model 1075 generates and uses radio frequency energy and if not installed and used properly that is in stric2. D D DI gi Figure 1 Underside of the 1075 Showing Location of DIP Switches The two sets of DIP switches on the underside of the Model 1075 will be referred to as S1 S2 Figure 2 shows the orientation of DIP Switches S1 and S2 with respect to ON and OFF positions ON ON pl 2 3 4 5 6 7 8 OFF Figure 2 Close up of DIP Switches Showing ON OFF Positions 3 1 1 Configuration Switch Set S1 The switches on Switch S1 set V 54 Test Functions Default settings and detailed descriptions for each switch are shown below S1 SUMMARY TABLE Position Function Factory Default S1 1 thru S1 7 Not Assigned Off 1 8 V 54 Test Functions Off Enabled Switches S1 1 through S1 7 Not Assigned Switch S1 8 V 54 Test Functions Switch S1 8 enables or disables the Model 1075 V 54 loopback test modes S1 8 Activation Description Off Enabled V 54 test functions enabled On Disabled V 54 test functions disabled 3 1 2 Configuration Switch Set S2 The switches on Switch S2 set data rates clock source carrier control and front panel switch operation Default settings and detailed descriptions for each switch are shown below S2 SUMMARY TABLE Position Function Factory Default 2 1 Data Rat S ata Rate Si 56 kbps S2 2 Data Rate Off S2 3 Clock Mode On Internal S2 4 Clock Mode On S2 5 Carrier Control Off Forced On 2 6 Not Assigne
3. 11 Receive b DCE 12 Indication b DCE 13 System Clock b DCE 14 E S 15 18 APPENDIX D MODEL 1075 PIN CONFIGURATIONS BLOCK DIAGRAM X21 INTERFACE Copyright Patton Electronics Company 19 All Rights Reserved DCE DTE SWITCH SHOWN IN DCE POSITION re DATA PUMP AND CONTROLLER ENCODER TK IX MODULATOR x TX CONTROL 7 i TWISTED i PAIR CLOCK GENERATOR ANALOG LOOP CONTROL V54 amp V52 GENERATOR AND CONTROL RLB Ny COMMAND DECODER RX DEMODULATOR ji RX l DECODER l ca A ad i I TWISTED la cD CARRIER PAIR i DETECT I L POWER SS SHIELD Gaas A MODEL 1075 E Se SUPPLY SIGGND gt LEYES BLOCK DIAGRAM Ka October 12 1996 REVA Dear Valued Customer Thank you for purchasing Patton Electronics products We do appreciate your business I trust that you find this user manual helpful We manufacture one of the widest selections of data communications products in the world including CSU DSU s network termination units powered and self powered short range modems fiber opti
4. c modems interface converters baluns electronic data switches data line surge protectors multiplexers transceivers hubs print servers and much more We produce these products at our Gaithersburg MD USA facility and can custom manufacture products for your unique needs We would like to hear from you Please contact us in any of the following ways to tell us how you like this product and how we can meet your product needs today and in the future Web http www patton com Sales E mail sales patton com Support E mail support patton com Phone Sales 301 975 1000 Phone Support 301 975 1007 Fax 301 869 9293 Mail Patton Electronics Company 7622 Rickenbacker Drive Gaithersburg MD 20879 USA We are committed to a quality product at a quality price Patton Electronics is ISO 9001 certified We meet and exceed the highest standards in the industry CE UL etc It is our business to serve you If you are not satisfied with any aspect of this product or the service provided from Patton Electronics or its distributors please let us know Thank you Burton A Patton Vice President P S Please tell us where you purchased this product
5. d Off S2 7 Not Assigned Off S2 8 Front Panel Switches On Enabled Switches S2 1 and S2 2 Data Rate Switches S2 1 and S2 2 are set in combination to determine the synchronous data rate for the Model 1075 S2 1 S2 2 Setting Off On 32 kbps On Off 56 kbps On On 64 kbps Switches S2 3 and S2 4 System Clock Mode The setting for switches S2 3 and S2 4 determines the transmitter clocking mode for the Model 1075 S2 3 S2 4 Clock Mode Description On On Internal System clock generated internally On Off External DTE System clock derived from terminal interface Off On Receive Recover System clock derived from the received line signal Switch S2 5 Carrier Control S2 5 Carrier Description Off Always On Transmitter is always ON On Follows terminal Transmitter controlled by Control signal from X 21DTE or by Indication signal from X 21 DCE Switches S2 6 and S2 7 Not Assigned Switch S2 8 Front Panel Switch Enable Disable Switch S2 8 determines whether the front panel switches may be used to perform diagnostic functions S2 8 Activation Description On Enabled Front panel switches may be used to activate terminate diagnostics Off Disabled Front panel switches will have no effect on operation of the unit 6 3 2 CONFIGURATION STRAPS In addition to the configuration switches described above the Model 1075 is also equipped with two internal straps that set the DTE DCE Configura
6. data Source DTE RD Receive Data Glows red to indicate an idle condition or binary 1 data Glows green to indicate an active condition or binary O data Glows orange to indicate rapidly changing data Source DCE Control Glows green to indicate that Control from DTE is active Red indicates that Control from the DTE is inactive Indication Glows green to indicate that the Indication from DCE is active Red indicates that the Indication from the DCE is inactive Error Glows red when errors are detected during the 511 or 511 E BER tests Test Glows red when the V 54 loopback test or V 52 BER tests are initiated 13 5 2 TEST MODES The Model 1075 offers two V 54 test modes to evaluate the condition of tne modems and the communication link These tests are activated from the front panel 5 2 1 Local Analog Loopback LAL The Local Analog Loopback LAL test checks the operation of the local Model 1075 and is performed separately on each unit Any data sent to the local Model 1075 in this test mode will be echoed returned back to the user device For example characters typed on the keyboard of a terminal will appear on the terminal screen To perform a LAL test follow these steps A Activate LAL This may by moving the front panel toggle switch DOWN to LAL Once LAL is activated the Model 1075 transmitter output is connected to its own receiver The test LED should be lit B Verify that the data terminal equipment is
7. is number may be obtained from Patton Electronics Technical Service 301 975 1007 http www patton com or support patton com NOTE Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any questions that might arise concerning the installation or use of your Model 1075 Technical Service hours 8AM to 5PM EST Monday through Friday 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warranted for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to contact Patton Electronics Customer Service at 301 975 1007 2 1 FEATURES Data rates of 32 56 and 64 kbps Distances to 6 miles 9 7km Switch selectable carrier control Synchronous X 21 operation Frequency Shift Keying FSK modulation DCE DTE Switchable Point to point operation over 2 unconditioned twisted pair V 54 loopback tests and V 52 compliant BER tests 6 LED indicators Externally powered Transformer isolation Silicon Avalanche Diode surge protection Made in the U S A 2 2 DESCRIPTION The Model 1075 KiloModem II X 21 Short Range Modem supports synchronous data rates of 32 56 and 64 Kbps Synchronous transmit clock options are internal external and receive recover clock Deriving power fr
8. nect to an X 21 DTE device Re positioning the DCE DTE strap will enable the Model 1075 to connect to an X 21 DCE device See Figure 6 below y 390 y Figure 6 Close Up of Model 1075 PC Board With Close up of DCE DTE Strap Default Setting DCE The X 21 DCE DTE strap is located near the DB 15 connector on the PC board The arrows on the top of the strap indicate the configuration of the Model 1075 For example ifthe DCE arrows are pointing toward the DB 15 Connector the Model 1075 is configured as a DCE and must connect to an X 21 DTE device To change the DCE DTE orientation of the Model 1075 X 21 interface simply remove the strap and rotate it 1800 so the appropriate arrows are pointing toward the DB 15 Connector 8 3 2 4 Setting the JP1 Shield Strap The setting of JP1 determines whether the shield pin 1 of the X 21 interface is connected signal ground In the default setting DB 15 shield is connected to signal ground The X 21 shield is not connected to signal ground when the jumper is placed on pins 1 and 2 See Figure 7 below Front Rear Figure 7 Jumper JP1 Orientation on the PC board Jumper 1 DB15 Shield Position DB15 Shield 1 2 Not connected to signal ground 2 3 Connected to signal ground default 4 0 INSTALLATION When you have properly configured the configuration switches and straps you are ready to connect the Model 1075 to connect to your system This
9. nits Synchronous Unconditioned twisted pair 19 26 AWG Externally accessible RJ 45 RJ 11 Optional Internal External and Network Receive Recover Up to 6 miles 9 7km CCITTATU X 21 32 56 and 64 Kbps switch selectable 1500V RMS via isolation transformers IEC 801 S Level 2 1kV Constantly on or Controlled by Control from DTE device DCE mode or Indication from DCE device DTE mode DB 15 female RJ 11 or RJ 45 on line side 9V DC wall mount transformer 200mA 0 60 C 32 140 F 0 15 000 feet 5 to 95 noncondensing 1 54H x4 1 W x 3 7 D 120 VAC 50 60Hz external transformer 230 VAC 50 60Hz external transformer 2 5 lbs 1 1 Kg 16 APPENDIX B MODEL 1075 FACTORY REPLACEMENT PARTS AND ACCESSORIES Patton Model Description KiloModem II X 21 Short Range Modem 120V Wall Mount AC Adapter 230V AC Adapter No Power Cord American Power Cord European Power Cord CEE 7 United Kingdom Power Cord Australia New Zealand Power Cord O0805DEN lt lt lt w e Denmark Power Cord 0805FR France Belgium Power Cord NET ocres India Power Cord Israel Power Cord Japan Power Cord Switzerland Power Cord 17 APPENDIX C MODEL 1075 X 21 Interface DB15 Female Pin Signal Source 1 Shield 2 Transmit a DTE 3 Control a DTE 4 Receive a DCE 5 Indication a DCE 6 System Clock a DCE 7 Pr e 8 Signal Ground 9 Transmit b DTE 10 Control b DTE
10. om a 9V DC wall mount transformer the Model 1075 supports extended distances to 6 miles 9 7km over 2 unconditioned twisted pairs The Model 1075 incorporates two V 54 test modes local analog loop and remote digital loop that are activated by a tiny front panel switch In addition a built in V 52 Bit Error Test BER test generator that outputs 511 and 511E bit patterns can also be controlled by a switch on the case Six LED indicators monitor transmit data receive data control indication test mode TM and Error Status ER For protection against ground loops and transient surges the Model 1075 incorporates both isolation transformers and Silicon Avalanche Diode surge suppressors Housed in a miniature ABS plastic case the Model 1075 comes equipped with a female DB 15 connector and a choice of twisted pair interfaces RJ 11 jack or RJ 45 jack 3 3 0 CONFIGURATION The Model 1075 is easy to install and is ruggedly designed for excellent reliability The following instructions will help you to properly configure the Model 1075 3 1 CONFIGURATION SWITCHES The Model 1075 uses a unique set of 16 external mini DIP switches that allow configuration to wide range of applications The 16 external switches are grouped into two eight switch sets and are externally accessible from the underside of the Model 1075 See Figure 1 UU A u el Ban Rear
11. operating properly and can be used for a test If a fault is indicated call a technician or replace the unit C Perform a Bit Error Rate BER test on each unit Ifthe BER test equipment indicates no faults but the data terminal indicates a fault follow the manufacturer s checkout procedures for the data terminal Also check the interface cable between the terminal and the Model 1075 5 2 2 Remote Digital Loopback RDL The RDL test checks the performance of both the local and remote Model 1075 and the communication link between them Any characters sent to the remote Model 1075 in this test mode will be returned back to the originating device For example characters typed on the keyboard of the local terminal will appear on the local terminal screen after having been passed to the remote Model 1075 and looped back To perform an RDL test follow these steps A Activate RDL by moving the front panel toggle switch UP to RDL B Perform a BER test on the system cont 14 C If the BER test equipment indicates a fault and the Local Analog Loopback test was successful for both Model 1075s you may have a problem with the twisted pair line between the modems You should then check the twisted pair line for proper connections and continuity 5 2 3 How to Use the V 52 BER Test Independently The V 52 BER test can be used independently of the V 54 loopback tests This requires two operators one to initiate and monitor the tes
12. section tells you how to properly connect the Model 1075 to the twisted pair 4 1 CONNECTION TO THE TWISTED PAIR INTERFACE The Model 1075 supports full or half duplex communication between two X 21 devices at distances to 6 miles 9 7 km and data rates to 64 kbps There are two essential requirements for installing the Model 1075 1 These units work in pairs Therefore you must have one Model 1075 or compatible unit at each end of a two twisted pair interface 2 To function properly the Model 1075 needs two twisted pairs of metallic wire These pairs must be unconditioned dry metallic wire between 19 and 26 AWG the higher number gauges may limit distance somewhat Standard dial up telephone circuits or leased circuits that run through signal equalization equipment are not acceptable For your convenience the Model 1075 is available with two different twisted pair interface options RJ 11 jack or RJ 45 jack 4 1 1 Twisted Pair Connection Using RJ 11 OR RJ 45 The RJ 11 and RJ 45 connectors on the Model 1075 s twisted pair interface are pre wired for a standard TELCO wiring environment The signal pin relationships are shown below RJ 11 SIGNAL RJ 45 SIGNAL 10 When connecting two Model 1075s it is necessary to use a cross over cable The diagram below shows how a cross over cable should be constructed for an environment where both Model 1075s use a 8 wire RJ 45 connector Similar logic should be followed
13. t at the local Model 1075 and one at the remote Model 1075 To use the V 52 BER test by itself both operators should simultaneously follow these steps 1 Locate the 511 511E toggle switch on the front panel of the 1075 and move it UP This activates the V 52 BER test mode and transmits a 511 test pattern to the other unit If any errors are present the receiving modem s red Error LED will blink sporadically For this test to work make sure the 511 switch on both Model 1075s is on If the test indicates no errors are present move the V 52 toggle switch DOWN activating the 511 E test with errors present If the test is working properly the receiving modem s red Error LED will blink regularly A successful 511 E test will confirm that the link is in place and that the Model 1075 s built in 511 generator and detector are working properly 5 3 POWER DOWN There is no power switch on the Model 1075 You turn it off by unplugging the AC power adapter from the wall 15 APPENDIX A PATTON MODEL 1075 SPECIFICATIONS Approvals DTE DCE I F Compatibility Transmission Format Transmission Line Interface Clock Distance Interfaces Data Rates Isolation Surge Protection Carrier Control Connectors Power Supply Temperature Range Altitude Humidity Dimensions Power Options Weight CE European Directives X 21 DB15F DCE or DTE ElA RS 422 Compliant 1035 1045 1075 1080A 1090 series u
14. t accordance with the manufacturer s instructions may cause interference to radio and television reception The Model 1075 has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 1075 does cause interference to radio or television reception which can be determined by disconnecting the unit the user is encouraged to try to correct the interference by one or more of the following measures moving the computing equipment away from the receiver re orienting the receiving antenna and or plugging the receiving equipment into a different AC outlet such that the computing equipment and receiver are on different branches 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatibility EMC directive and the Low Voltage Directive LVD of the Union European EU A Certificate of Compliance is available by contacting Patton Technical Support 1 3 SERVICE All warranty and nonwarranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping container Th
15. tion and the DB 15 Shield In order to configure these straps you must open the Model 1075 case NOTE Before opening the case determine whether the default settings are correct for your application see Sections 3 2 3 and 3 2 4 3 2 1 Opening the Case To open the Model 1075 insert a flat head screw driver into an open slot on either side of the case as in Figure 3 Twist the screw driver head slightly and the top half ofthe case will separate from the lower half as in Figure 4 below WR eg Figure 3 Opening the 1075 Case with a Small Screwdriver J Figure 4 Opening the 1075 Case With a Small Screwdriver To close the case fit the 2 halves together snugly and snap them back in place 3 2 2 Location of the Internal Straps Figure 5 below shows the location of the DCE DTE switch and the JP1 strap on top side ofthe the PC board nn JP1 Strap Front Rear DTE DCE Strap gt BEE o Tat c r Figure 5 Position of DTE DCE and JP1 Jumper Straps on Model 1075 PC Board O 3 2 3 Setting the DCE DTE Strap The X 21 interface on the Model 1075 is DCE DTE switchable The default setting is DCE based upon how the Model 1075 sees its own orientation When configured this way the Model 1075 will want to con
16. uipped with an IEC 320 shrouded male connector This connects with one of several available country specific power cords see the ordering information in Appendix C You may purchase these power cords from Patton Electronics at 301 975 1007 http Avww patton com or support patton com or from a local vendor 12 5 0 OPERATION Once the Model 1075 is properly configured and installed it should operate transparently as if it were a standard cable connection Section 5 0 describes the LED status monitors and the built in V 52 and V 54 test modes The Model 1075 is powered by a 9V DC external wall mount transformer To power up the unit connect the power supply cord to the power jack on the rear of the Model 1075 and plug the power adapter into the wall There is no ON OFF switch 5 1 LED STATUS MONITORS The Model 1075 features six front panel LEDs that indicate the status of the unit and the communication link Figure 9 shows the front panel location of each LED Following Figure 9 is a description of each LEDs function LI GEI Ez PATTON Model 1075 KiloModem Il 56 64K Baseband Modem V 54 Test Modes Ji Control RTS Ind cD Error Test oo eem NE 511E lo Y Local TD RD Figure 9 Front Panel of the Patton Model 1075 TD Transmit Data Glows red to indicate an idle condition or binary 1 data Glows green to indicate an active condition or binary O data Glows orange to indicate rapidly changing
17. when using RJ 11 connectors or a combination of the two RJ 45 Cable 8 Wire SIGNAL PIN PIN SIGNAL N C 1 1 N C GND SE 7 GND RCV ee 5 XMT XMT did 6 DCH XMT INNE 3 DCH RCV Ben 4 XMT GND ee 2 GND N C 8 8 N C Connection to ground is optional DONA0DN ONDUIPRWMD Figure 8 Pin Number Assignments for RJ11 and RJ45 Modular Jacks 4 2 CONNECTION TO X 21 INTERFACE To connect the Model 1075 to a piece of data terminal or data communications hardware use a straight through DB 15 cable Plug the cable directly into the DB 25 port on the rear of the Model 1060 If it is necessary to construct a special interface cable please refer to the pinout diagrams in Appendix C Notice Any terminal cable connected to the Model 1075 must be shielded cable and the outer shield must be 360 degree bonded at both ends to a metal or metalized backshell 11 4 3 AC POWER CONNECTIONS Power is supplied to the Model 1075 by a9 VDC 1 A wall mount transformer This transformer connects to the Model 1075 by means of a cannon jack on the rear panel The Model 1075 is powered up as soon as it is plugged into an AC outlet there is no power switch 120 VAC Power US The 120 VAC adapter supplied with the standard version of the Model 1075 is a wall mount type and may be plugged into any approved 120 VAC wall plug 230 VAC Power IEC The 230 VAC adapter supplied with the international version of the Model 1075 is eq
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