USER MANUAL - GMI
Contents
1. ISO a An ISO 9001 Certified Company USER MANUAL MODEL 2022 Interface Powered RS 232 to V 36 RS 449 Converter PE PATTON Ei Elecironics To Part 07M2022 B SALES OFFICE Doc 077091UB 301 975 1000 Revised 6 17 97 TECHNICAL SUPPORT 301 975 1007 http www patton com 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 2022 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 2022 generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer2. Send Common Shield 1 2 3 4 Send Data 5 Send Timing 6 Receive Data 7 Request to Send 8 Receive Timing 9 Clear to Send 11 Data Mode 12 Terminal Ready 13 Receive Ready 17 Terminal Timing 19 Signal Grounding APPENDIX C BLOCK DIAGRAM 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 JHAR HR aE T T 35 communications products in the world including CSU DSU s network ARB aa HE i i termination units powered and self powered short range modems fiber optic BPPPR BE G e e f PP et modems interface converters baluns electronic data switches data line surge protectors multiplexers transceivers hubs print servers and much more We N GEE Y GREER GEE produce these products at our Gaithersburg MD USA facility and ca
3. Patton Electronics Technical Support 301 975 1007 hitp www pation 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 2022 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 Bi directionally converts synchronous RS 232 to V 36 RS 449 Data rates to 200 Kbps full or half duplex Transparent to protocol No AC power or batteries required DCE DTE strap selectable DB 25 and DB 37 connectors with integral 6 foot cable e Circuitry housed in ultra miniature case e Made in the USA 2 2 DESCRIPTION The Model 2022 RS 232 to V 36 RS 449 converter lets a synchronous RS 232 device communicate bi directionally with a synchronous V 36 RS 449 device The Model 2022 requires no AC power or batteries to operate and supports data rates to 200 Kbps Operating full or half duplex the Model 2022 passes all necessary clocking and control signals and is transp
4. s instructions may cause interference to radio and television reception The Model 2022 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 2022 does cause interference to radio or television reception which can be determined by disconnecting the RS 232 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 from
5. arent to protocol The Patton Model 2022 connects directly to the synchronous RS 232 interface using a male or female DB 25 connector A male or female DB 37 connector at the end of an integral 6 foot cable plugs into the V 36 RS 449 device An internal DCE DTE strap allows the user to configure the Model 2022 as DCE to DTE or DTE to DCE In most cases this eliminates the need for special crossover cables Housed in an ultra miniature case measuring only 2 66 x 2 10 x 0 73 the Model 2022 fits easily into tight locations The Model 2022 is manufactured by Patton Electronics in the USA 3 0 CONFIGURATION The Model 2022 is designed to be easy to use In most cases you will not need to configure the Model 2022 in any way just plug it in and go The Model 2022 is transparent to protocol including data rate and clocking method The only configuration you may need to do is for DTE DCE orientation This procedure is described below 3 1 SETTING DCE DTE ORIENTATION The Model 2022 installs between DTE devices such as terminals and host computers and DCE devices such as modems multiplexers and CSU DSUs Most often the DTE device will be RS 232 and the DCE device will be V 36 RS 449 Therefore the default DCE DTE setting for the Model 2022 is RS 232 DCE to V 36 RS 449 DTE based on how the Model 2022 sees its own orientation For example if the Model 2022 sees its own RS 232 port as DCE it will want to plug into an RS 232 DTE devi
6. ce such as a terminal If you need to reverse the DCE DTE orientation of the Model 2022 so that the RS 232 port is DTE and the V 36 RS 449 port is DCE follow the step by step instructions below Note it is not possible to configure the Model 2022 so that both ports are DTE or DCE 3 1 1 OPENING THE CASE The DCE DTE strap on the Model 2022 is located on the PC board To access the PC board you will need to open the plastic case that houses the DB 25 connector The case is of the pop open snap shut variety To open insert a small flathead screw driver or similar tool between the DB 25 connector and the lip of the case as shown in Figure 1 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 1 Inserting the screw driver Figure 2 Popping open the case 3 1 2 CHANGING THE STRAP Once you have opened the case of the Model 2022 you will see the green DCE DTE strap located on the PC board in the position shown in Figure 3 below The arrows on top of the strap indicate the orientation of the Model 2022 s ports For example if the DCE arrow is pointing toward the DB 25 connector then the Model 2022 s strap is set so that it sees its DB 25 port as DCE It wants to plug into the DB 25 port of a terminal or other DTE The arrow pointing toward the cable at the rear of the PC board shows the orientation of the Model 2022
7. crossover cabling is required Figure 5 below illustrates proper connection of a V 36 RS 449 DTE to an RS 232 DCE using the Model 2022 V 36 RS 449 Mini Computer Sync Modem HI az Figure 5 A common V 36 RS 449 DTE to RS 232 DCE installation Interfaces Data Rates Transmission Mode Protocol Clocking Connectors Power Supply Temperature Range Altitude Humidity Dimensions Weight APPENDIX A SPECIFICATIONS EIA RS 232 CCITT V 24 to RS 449 CCITT V 36 0 200 Kbps Full or half duplex Transparent to protocol Set by connected devices DB 25 male or female on RS 232 side DB 37 male or female on V 36 RS 449 side None required uses power from NIC data and control signals 0 60 C 32 140 F 0 15 000 feet 5 to 95 noncondensing 2 66 L x 2 10 H x 0 73 W 14 oz including cable and connectors APPENDIX B INTERFACE STANDARDS Model 2022 RS 232 Interface Transmit Clock Receive Clock Data Term Ready DTR External Transmit Clock G Frame Ground D Transmit Data D Receive Data S Request to Send S Clear to Send SR Data Set Ready SG Signal Ground DCD Data Carrier Detect Fi T R RT CT D 1 2 3 4 5 6 7 8 Model 2022 EIA 449 Interface Reference Receive Common Send Data Send Timing Receive Data Receive Timing Terminal Timing
8. n custom manufacture products for your unique needs 24 3 a We would like to hear from you Please contact us in any of the Be 5 b following ways to tell us how you like this product and how we can meet your 3 Z x 5 product needs today and in the future d Web http www patton com Sales E mail sales patton com 4 g Lok E 2 2 Support E mail support patton com ay g ae g Be g f Phone Sales 301 975 1000 JE JB JB ET E 3 IBL 3 i i 3 i Phone Support 301 975 1007 EEE Fax 301 869 9293 i Mail Patton Electronics Company H 7622 Rickenbacker Drive fet Lk bk Gaithersburg MD 20879 USA Bee B BE ia 8 a By ee Pl el e P e n We are committed to a quality product at a quality price Patton 3 i3 Electronics is BABT and ISO 9001 certified We meet and exceed the highest 8 q standards in the industry CE UL etc z a 4 4 Wy BEN SSE It is our business to serve you If you are not satisfied with any z y Qu om Qi om Qa aspect of this product or the service provided from Patton Electronics or its y p 3 kleine e e iae a K distributors please let us know bell ARRDH JR GAGA PE BE sor Bek 2 GEE W He Thank you gt z Burton A Patton Vice President P S Please tell us where you purchased this product Copyright Patton Electronics Company All Rights Reserved 9
9. s DB 37 port DCE DTE Strap Figure 3 DCE DTE strap orientation on PC board To reverse the DCE DTE orientation pull the entire green strap out of its socket and rotate it 180 degrees Then plug it back into the socket You will see that the arrows on top now point in the opposite directions showing the new DCE DTE orientation of the Model 2022 When you re done realign the case halves don t forget the captive screws and saddle washers and snap them back together 5 4 0 INSTALLATION Once you have properly configured the DCE DTE orientation of the Model 2022 all you need to do is plug it into the proper device ports Figures 4 and 5 show the two possible installations of the Model 2022 according to DCE DTE orientation 4 1 CONNECTING AN RS 232 DTE TO A V 36 RS 449 DCE This is the most common application for the Model 2022 and requires no special configuration or crossover cabling Figure 4 below illustrates proper connection of an RS 232 DTE to a V 36 RS 449 DCE using the Model 2022 V 36 RS 449 Modem Sync Terminal om a_i Ant Figure 4 A common RS 232 DTE to V 36 RS 449 DCE installation 4 2 CONNECTING A V 36 RS 449 DTE TO AN RS 232 DCE This is a less common application for the Model 2022 and requires re orientation of the DCE DTE strap inside the Model 2022 refer to Section 3 0 Configuration With proper DCE DTE orientation no
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