USER MANUAL - jb connexions
Contents
1.2. 232 interface DB 25 female TTL interface DB 25 male CD DTR DSR CTS and RTS passed directly through data signals and control signals can be independently configured for inverting or non inverting using internal jumpering none required draws all necessary operating power from RS 232 and TTL data and control signals 32 to 122 F 0 to 50 C 2 2 x 2 1 x 0 7 5 6 x 5 3 x 1 8 cm 10 APPENDIX B APPENDIX C PATTON MODEL 2002 INTERFACE PIN ASSIGNMENTS MODEL 2002FC MT BLOCK DIAGRAM RS 232 INTERFACE FG Frame Ground TD Transmit Data RD Receive Data RTS Request to Send CTS Clear to Send DSR Data Set Ready SG Signal Ground DCD Data Carrier Detect DCV Aux Power 1 D 3 4 5 6 7 Data Term Ready DTR 20 8 9 TTL INTERFACE FG Frame Ground TD Transmit Data RD Receive Data RTS Request to Send CTS Clear to Send DSR Data Set Ready SG Signal Ground DCD Data Carrier Detect DCV Aux Power 1 2 3 4 5 6 7 Data Term Ready DTR 20 8 9 11 12 APPENDIX D MODEL 2002FT MC BLOCK DIAGRAM ATS samad La Bupu zZ a 4 I z i a 5 Ze2 Sy 13 Dear Valued Customer Thank you for purchasing Patton Electronics products We do appreciat
3. 4 Inverted Data and Control Signals Inverted Control and Non Inverted Data Signals Position JP2 horizontally on bottom jumper posts to select inverted control and non invert data signals Figure 7 shows the position of the jumpers on the pc board Table 6 shows the relative signal levels ios JP1 i lt JP2 TTL Side RS 232 Side Figure 7 Inverted Control and Non Inverted Data Signal Jumpers Signal Level 0 0 to 0 4 Volts Data Signals mark Control Signals inactive 2 4 5 0 Volts space active Inverted Data and Non Inverted Control Signals Position JP1 horizontally top jumper posts and remove JP2 to select inverted data and non inverted control signals Figure 6 shows the position of the jumpers on the pc board Table 5 shows the relative signal levels Bow pi H El lt JP2 TTL Side lt _ _ ___ RS 232 Side Figure 6 Inverted Data and Non Inverted Control Signal Jumpers Table 5 Inverted Data Non Inverted Control Signals Signal Level Data Signals Control Signals 0 0 to 0 4 Volts mark active 2 4 5 0 Volts space inactive 7 Table 6 Inverted Control Non Inverted Data Signals Signal Level Data Signals Control Signals 0 0 to 0 4 Volts space inactive 2 4 5 0 Volts mark active 3 0 INSTALLATION The Patton Model 2002 is very simple to install Just plug it in li
4. USER MANUAL MODEL 2002 Series RS 232 to TTL Interface Converter PDE PATTON Ei Elecironics To ISO Part 07M2002 A SALES OFFICE f Doc 077201UA 301 975 1000 Revised 1 22 98 TECHNICAL SUPPORT CAR TIFIED 301 975 1007 An 150 2001 http www patton com Certified Company 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 2002 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 Models 2002 generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s i
5. able 1 Default TTL Signal Levels Signal Level Data Signals Control Signals 0 0 to 0 4 Volts space active 2 4 5 0 Volts mark inactive Table 1 above shows the default configuration of the Model 2002 In most cases no modification is required However if your TTL circuitry requires inverted signals for either the data or control signals you must change the settings of one or two jumper switches In order to change the jumper settings you must open the case Please follow the instructions below to do so 3 2 OPENING THE CASE TheJP1 and JP2 jumpers on the Model 2002 are located on the PC board To open insert a small flathead screw driver or similar tool between the DB 25 female connector and the lip of the case as shown in Figure 1 Camm Figure 1 Using a Small Screw Driver to Open the Model 2002 Case 4 Then gently twist the screw driver to pop the case open as shown in Figure 2 Be careful not to damage the case or connector as you twist the screw driver Figure 2 Using a Small Screw Driver to Open the Model 2002 Case 3 3 CHANGING THE JUMPER STRAPS Once you have opened the case of the Model 2002 you will see two jumper straps located the top side of the PC board See Figure 3 below TTL Side RS 232 Side Male s a Female n JP1 JP2 lt i p m Figure 3 Close Up of the Mo
6. ates up to 230 kbps the Patton Model 2002 passes data TD RD plus five control signals CD DTR DSR CTS and RTS In addition the Patton Model 2002 allows data and control signals to be independently jumper selected as inverting or non inverting The Patton Model 2002 is available in two versions DCE to DTE and DTE to DCE The RS 232 interface is presented on a DB 25 female connector while the TTL interface is presented ona DB 25 male connector Deriving power from the data and control signals the Patton Model 2002 requires no AC power or batteries for operation 3 0 CONFIGURATION The Model 2002 is very easy to use Most applications require no configuration Just plug it in and go However some TTL circuitry requires data and or control signals to be inverted opposite from their normal conditions Please read the section below to determine if the default settings will work for you 3 1 DEFAULT TTL LOGIC LEVELS Systems represents data signals by alternating between mark binary 1 and space binary O conditions TTL Transistor Transitor Logic circuitry normally a represents a mark as a voltage between 2 4 and 5 0 Volts and a space as a voltage between 0 4 and 0 4 Volts By contrast TTL control signals RTS CTS DSR DCD and DTR are either active between 0 0 and 0 4 Volts or inactive between 2 4 and 5 0 Volts Table 1 below summarizes the above information T
7. del 2002 Series Jumper Straps To change the jumper strap settings simply remove the jumpers and replace them on the jumper posts as described in the following section 5 3 1 JUMPER SWITCHES JP1 AND JP2 Use Jumper Switches JP1 and JP2 to control the logic state of the data and or control signals In most cases no modification is required Consult the user manual of the TTL device or the device s manufacturer before changing the settings on JP1 and JP2 This section describes the jumper settings Non Inverted Data and Control Signals Default Setting Position JP1 and JP2 vertically on the jumper posts to select non inverted data and control signals default setting Figure 4 shows the position of the jumpers on the pc board Table 3 shows the relative signal levels JP1 JP2 E E E E TTL Side q RS 232 Side Figure 4 Non Inverted Data and Control Signal Jumpers Table 3 Non Inverted Data and Control Signal Level Data Signals Control Signals 0 0 to 0 4 Volts space active 2 4 5 0 Volts mark inactive Inverted Data and Control Signals Position JP1 and JP2 horizontally on the jumper posts to select inverted data and control signals Figure 5 shows the position of the jumpers on the pc board Table 4 shows the relative signal levels JP1 lt q _ JP2 TTLSide q _________ mE RS 232 Side Figure 5 Inverted Data and Control Signal Jumpers Table
8. e 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 optic 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 BABT and 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
9. ke a normal cable and you re ready to go Since the Model 2002 is available in two gender and DTE DCE orientations many applications are possible NOTE The Model 2002 Series always uses a DB 25 female connector on the RS 232 interface and a DB 25 male connector on the TTL Interface 4 1 CONNECTING THE MODEL 2002FC MT Connect the 25 pin male port TTL side directly to a TTL DCE device Connect the 25 pin female port RS 232 side of Model 2002FC MT to an RS 232 DTE device using a straight through cable of the shortest possible length less than 50 feet Figure 8 shows a typical application of the 2002FC MT 2002FC MT TTL DCE Figure 8 Connecting the Model 2002FC MT 4 2 CONNECTING THE MODEL 2002FT MC Connect the 25 pin male port TTL side directly to a TTL DTE device Connect the 25 pin female port RS 232 side of the Model 2202FT FC to an RS 232 DCE device using a straight through cable of the shortest possible length less than 50 feet Figure 9 shows the typical application of the 2002FT MC 2002FT MC RS 232 DCE Figure 9 Connecting the Model 2002FT MC APPENDIX A MODEL 2002 SERIES SPECIFICATIONS Transmission Format Data Rate Interface Connectors Control Signals Supported Signal Inversion Power Supply Temperature Range Dimensions Asynchronous 0 to 230 kbps Serial TTL or serial RS 232 DCE to DTE or DTE to DCE RS
10. nstructions may cause interference to radio and television reception The Model 2002 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 2002 does cause interference to radio or television reception which can be determined by disconnecting the RS 232 or TTL interface 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 Technical Support 1 3 SERVICE All warranty and non warranty 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 This number may be obtained f
11. rom Patton Electronics Technical Support 301 975 1007 hitp www patiton com or support pation 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 2002 Technical Support 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 Technical Support at 301 975 1007 2 1 FEATURES e Bi directional asynchronous data conversion between RS 232 and TTL Supports data rates to 230 kbps e Two versions available Model 2002FC MT connects an RS 232 DTE to a TTL DCE Model 2002FT MC connects an RS 232 DCE to a TTL DTE Passes TD amp RD plus five control signals CD DTR DSR CTS amp RTS Data and control signals independently selectable for e inverting non inverting e Interface powered no AC required e RS 232 interface is a DB 25 female TTL interface is a DB 25 male 2 2 DESCRIPTION The Patton Model 2002 RS 232 to TTL Interface Converter lets an asynchronous RS 232 device communicate bi directionally with an asynchronous TTL device Supporting data r
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