USER MANUAL MODEL 1012B Asynchronous Carrier Controlled
Contents
1. JUMPER o CONTROLLED MODULATOR BIE OSCILLATOR CARRIER CONTROL TD INVERTYING 4 A SCHMITT DRIVER BUFFER FN TRIGGER SURGE PROTECTION NONINVERTING BUFFER XMT i CARRIER PEAK TRANSFORMER COMPARATOR DETECT DETECTOR LED AGC CRE Tx EX DER tv AMPLIFIER AC mR SURGE RCV GHD PROTECTION TRANSFORMER o POWER ow SUPPLY aap 13 Notes 14 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 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 sales2. p Table 3 Star wiring for Model 1012B host and slaves 4 2 2 DAISY CHAIN TOPOLOGY Using a daisy chain topology you may connect several Model 1012Bs together in a master slave arrangement Maximum distance between the units will vary based upon the number of drops data rate wire gauge etc Contact Patton Technical Support at 301 975 1007 http www patton com or support patton com for specific distance estimates Figure 6 shows how to wire the two pair cables properly for a HOST FIRST SLAVE OTHER SLAVE S Table 3 Daisy Chain Wiring for Model 1012B Host and Slaves Model 1012B s daisy chain topology Note that the ground connection is not needed Optional Connection Dual Modular Jacks To facilitate daisy chaining the Model 1012B is available in a DRJ11 dual RJ 11 or DRJ45 dual RJ 45 version These units have two specially wired modular jacks for twisted pair connection With the dual modular units you do not need to build cumbersome Y cables for your daisy chain application Simply use a crossover cable to go between the host and the first slave see Section 4 1 2 for crossover cable wiring instructions and straight through cables between the slaves 4 3 CONNECTION TO THE RS 232 INTERFACE Once you have properly configured the Model 1012B and connected the twisted pair wires correctly plug the Model 1012B directly into the DB 25 port of the RS 232 device After doing so remember to ins
3. ISO RTIFIED An ISO 9001 Certified Company Part 07M1012B Doc 040061 V Revised 1 22 08 USER MANUAL MODEL 1012B Asynchronous Carrier Controlled Short Range Modem PE PATTON mt Electronics To SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 1012B 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 1012B generates and uses radio frequency electromagnetic energy and if not installed and used properly that is in strict accorda
4. patton com Support E mail support Opatton 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 guality product at a guality 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. the transmitter is off See Table 1 for the correspondence between DTE DCE and RTS CD parameters DTE DCE Switch Setting DCE DTE Carrier Detect Function Carrier detect is output Carrier detect is output on pin 8 CD on pin 4 RTS Table 2 Interaction of DTE DCE switch and RT S CD jumper 4 The RTS CD carrier control jumper also controls which signal will function as the Carrier Detect CD signal If the DTE DCE switch is set to DCE the carrier detect is output on Pin 8 If the DTE DCE switch is set to DTE the carrier detect is output on Pin 4 Table 2 shows which control signal provides the carrier detect function per the DTE DCE setting Note For multi point applications it is necessary to have a jumper in place on the pegs on the slave modems 5 After you finish configuring the DTE DCE switch snap the case halves back together and continue the installation process 4 0 INSTALLATION Once you have properly configured the Model 1012B you are ready to connect it to your system This section tells you how to connect the Model 1012B to the twisted pair and RS 232 interfaces and how to operate the Model 1012B 4 1 HOW TO CONNECT TO THE TWISTED PAIR INTERFACE The Model 1012B passes data and handshaking signals between two RS 232 devices at distances to 6 miles 9 7 km and data rates to 38 4 kbps There are two requirements for installing the Model 1012B 1 These units work in pairs Theref
6. d control signals 0 60 C 32 140 F 0 15 000 feet 0 4 500 meters 5 to 95 non condensing 2 oz 60 grams 3 54L x 2 09W x 0 79H in 90L x 53W x 20H mm Distance Table miles Data Wire Gauge Rate 19 24 26 1 200 to 38 400 6 0 4 0 2 5 11 APPENDIX B RS 232C PIN CONFIGURATIONS DIRECTION DCE STANDARD SETTING DIRECTION To Model 1012B 1 FG Frame Ground e 2 TD Transmit Data e J 3 RD Receive Data e E 4 RTS Request to Send e LB 5 CTS Clear to Send 0 Jey 6 DSR Data Set Ready J 7 SG Signal Ground Data Term Ready DTR 20 2 P cD Carrier Detect ine Je 9 External Power Pisa oe a To Model 1012B From Model 1012B To Model 1012B From Model 1012B From Model 1012B From Model 1012B To Model 1012B DIRECTION DTE STANDARD SETTING DIRECTION From Model 1012B FG Frame Ground TD Transmit Data RD Receive Data RTS Request to Send CTS Clear to Send DSR Data Set Ready SG Signal Ground CD Carrier Detect 9 External Power As 2 3 4 5 6 T 8 Data Term Ready DTR From Model 1012B To Model 1012B From Model 1012B To Model 1012B To Model 1012B To Model 1012B To Model 1012B 12 APPENDIX C MODEL 1012B BLOCK DIAGRAM 40708 DELAY
7. ert and tighten the two captive connector screws Note If you must use a cable to connect the Model 1012B to the RS 232 device make sure it is a straight through cable of the shortest possible length we recommend 6 feet 1 8 meters or less 4 4 OPERATING THE MODEL 1012B Once the Model 1012B is properly installed it should operate transparently as if it were a standard cable connection Operating power is derived from the RS 232 data and control signals there is no ON OFF switch All data signals from the RS 232 interface are passed straight through Additionally one control signal is passed in each direction 10 Transmission Format Transmission Line Interfaces Data Rates Isolation Surge Protection Factory Switch Setting Control Signals RTS CTS Delay Connectors Power Supply Temperature Range Altitude Humidity Weight Dimensions APPENDIX A SPECIFICATIONS Asynchronous full duplex half duplex Two unconditioned twisted pair AWG 19 26 EIA RS 232 ITU CCITT V 24 0 38 4 kbps Minimum 1500 V RMS via custom transformers 600W power dissipation at 1 mS DCE transmits from RS 232 on pin 3 CTS follows RTS from the terminal DTE DSR follows DTR from the terminal DTE CD indicates reception of carrier Approximately 30 mS DB 25 male or female on RS 232 side RJ 11 RJ 45 or terminal block with strain relief on line side No external power required uses power from EIA data an
8. l 1012B to behave like data communications equipment 4 If the device connected to the Model 1012B is a modem or multiplexer or is wired like one set the switch to DTE This setting causes the Model 1012B to behave like data terminal equipment 5 After you finish configuring the DTE DCE switch snap the case halves back together then go to section 4 0 Installation 3 2 SETTING THE RTS CD CARRIER CONTROL JUMPER The RTS CD jumper see Figure 1 is identified as J2 inside the 1012B see Figure 1 To access this strap do the following 1 Using a small screwdriver insert the tip into one of the slots in the side of the Model 1012B see Figure 2 2 Rotate the screwdriver as shown in Figure 2 to open the case DTE DCE Switch Setting DCE Default DTE RTS CD jumper in place Carrier activated by Carrier activated by default RTS pin 4 default CD pin 8 RTS CD jumper removed Carrier constantly ON Carrier constantly ON Table 1 Interaction of DTE DCE switch and RTS CD strap 3 The RTS CD carrier control jumper setting on the 1012B determines whether the transmitter is constantly on or is controlled by an RS 232 control signal When this jumper is removed from the pegs the 1012B transmitter is constantly on When the jumper is in place on the pegs the transmitter is controlled by either RTS or CD When the control signal is a positive voltage the transmitter is turned on if negative voltage
9. may be obtained from Patton Electronics Technical Support 301 975 1007 http www patton com or support patton com Notice 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 Patton Model 1012B Technical Service hours 8AM to 5PM EST Monday through Friday 2 0 GENERAL INFORMATION Thank you or buying the Patton Model 1012B This product has been thoroughly inspected and tested and is warranted for One Year parts and labor Contact Patton Electronics Technical Support if you have any questions 2 1 FEATURES e Supports up to 10 multi point terminals Full or half duplex point to point or multipoint Supports hardware handshaking e External DCE DTE switch e Automatic equalization and gain control Transformer isolation No AC power required e Supports data rates to 38 400 bps distances to 6 miles Silicon Avalanche Diode surge protection e Twisted pair connection via RJ 11 RJ 45 or terminal blocks for daisy chaining Made in the U S A 2 2 DESCRIPTION In a multi point environment the master transmits data to all of the addressable slave devices there can be up to 10 slave devices Typically the modem at the master site is set for constant carrier whereas the modems at the slave sites must be configured for controlled carrier Automatic equalization and gain c
10. nce with the manufacturer s instructions may cause interference to radio and television reception The Model 1012B has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B 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 1012B 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 In the event the user detects intermittent or continuous product malfunction due to nearby high power transmitting radio frequency equipment the user is strongly advised to take the following steps use only data cables with an external outer shield bonded to a metal or metalized connector 1 2 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 This number
11. ontrol ensure the optimal performance for a specific environment Environments vary in the twisted pair wire gauge quality of the twisted pair the data rate length of the transmission line number of slave devices on the circuit etc The transformers eliminate problems caused by ground loops With all these features the 1012B can be used in numerous types of applications Some of them are simple point to point between buildings multipoint applications and point to point applications which require passing a control signal from end to end The 1012B uses silicon avalanche diodes SADs for protection against transients With SADs the clamping response is superior and does not degrade in performance after transient hits The surge transient protection protects the 1012B as well as the port to which it is connected 3 0 CONFIGURATION By default the Model 1012B is configured to be a DCE with the transmitter set for controlled carrier If the 1012B is in controlled carrier mode for multi point operation the transmitter is controlled by RTS pin 4 when it is a DCE and controlled by CD pin 8 when configured as a DTE The DTE DCE slide switch SW1 in Figure 1 is used to configure DTE or DCE orientation The RTS CD control jumper J2 in Figure 1 is used to configure constant controlled carrier mode Section 3 1 describes how to configure the DTE DCE switch Section 3 2 provides information on configuring the transmitter to be cons
12. ore you must have one Model 1012B at each end of a two twisted pair interfaces 2 To function properly the Model 1012B needs two twisted pair of metallic wire They must be unconditioned dry metallic wire unloaded between AWG 19 and 26 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 10128 is available with the following twisted pair interfaces RJ 11 jack RJ 45 jack and terminal blocks 4 1 1 TERMINAL BLOCK TWISTED PAIR CONNECTION If your application requires you to connect one or two pair of bare wires to the Model 1012B you will need to access the external terminal blocks The following instructions will tell you how to connect the bare wires to the terminal blocks 1 Strip the outer insulation from the twisted pairs about one inch from the end 2 Strip the insulation on each of the twisted pair wires about 0 25 inch Figure 4 Stripping the outer insulation from the twisted pairs Figure 5 Stripping 0 25 inch of insulation from the twisted pairs 3 Connect one pair of wires to XMT and XMT transmit positive and negative on the terminal block making careful note of which color is positive and which color is negative 4 Connect the other pair of wires to RCV and RCV receive positive and negative on the terminal block again making careful note of
13. tant or controlled 3 1 SETTING THE MODEL 1012B AS DCE OR DTE Note Remember that when the DTE DCE switch is set for DCE the 1012B functions as a DCE device Otherwise when the switch is in the DTE position the short range modem operates as a DTE device SW1 located inside the Model 1012B controls the DTE DCE configuration of the Model 1012B Figure 1 shows the location of the DTE DCE switch on the 1012B circuit board TTT RTS CD gt OM er DTE DCE control jumper swi switch Surge gt 012 CE Surge protector protector Isolation gt __ u transformer je Isolation transformer RJ 45 jack gt J3 5 e Terminal OOOO block Figure 1 Model 1012B Board showing switch and strap locations 3 To change the DTE DCE setting do the following 1 Using a small screwdriver insert the tip into one of the slots in the side of the Model 1012B see Figure 2 2 Rotate s driver 1 4 turn to open the case Figure 2 Using a small screwdriver to open the Model 1012B case 2 Rotate the screwdriver as shown in Figure 2 to open the case IDce _ I pte Figure 3 SW1 DTE DCE switch 3 If the device connected to the Model 1012B is a PC terminal or host computer or is wired like one set switch SW1 to DCE see Figure 3 This causes the Mode
14. tion of a 4 wire twisted pair circuit between two or more Model 1012Bs requires a crossover cable as shown in the figures on the following page RJ 11 SIGNAL PIN PIN nn SIGNAL GNDt 1 Been 8 GNDt RCV 2 dst XMT XMT 3 Bran aal Mat he RCV XMT 4 BG coh tue atte RCV RCV 5 OEREN XMT GND 6 en GNDt RJ 45 SIGNAL PIN PIN SIGNAL GNDt 2 Deed GNDt RCV 3 Denn Oca XMT XMT 4 Branne tt natu RCV XMT 5 RN RCV RCV 6 EN XMT GNDt 7 Be hen a GNDt Connection to ground is optional DA BON 00 510 01 B ON AT amp T standard modular pin assignments 4 2 WIRING FOR MULTI POINT CIRCUITS The Model 1012B supports multi point applications using either a star or a daisy chain topology Both topologies require special wiring Note Refer to Section 3 2 for multi point settings 4 2 1 STAR TOPOLOGY Using a star topology you may connect several Model 1012Bs together in a master slave arrangement Maximum distance between the units will vary based upon the number of drops data rate wire gauge etc Contact Patton Technical Support 301 975 1007 http www patton com or support patton com for specific distance estimates Table 3 shows how to wire the two pair cables properly for a Model 1012B star topology Note that the ground connection is not needed HOST FIRST SLAVE SECOND SLAVE XMT p XMT p RCV a annees neon RCV RCV p XMT a 7 ia i A XMT RCV
15. which color is positive and which color is negative Your completed crossover cable should be pinned electrically as shown below i oe RCV meal XMT ween Rev 779 TN ROVA a side XMT One Pair ROV le cee XMT 5 When you finish connecting the wires to the terminal block the assembly should resemble the diagram Figure 6 below a IMS amp alla Ele lt 4 i t Figure 6 Wiring terminal block of Model 1012B ua AAAANARAAANI The Model 1012B is now installed 4 1 2 MODULAR TWISTED PAIR CONNECTION The Model 1012B offers two interface options for twisted pair connection RJ 11 6 wire jack and RJ 45 8 wire jack Pages 9 and 10 show signal pin assignments for the jacks as well as pin outs for the appropriate twisted pair cable topologies 7 Signal Pin Assignments The 6 wire RJ 11 and 8 wire RJ 45 jack options for the Model 1012B are prewired for a standard TELCO wiring environment Use the guide below when ordering or constructing twisted pair cables RJ 11 SIGNAL RJ 45 SIGNAL i EVA GNDt died N C Dine RCV Betten GNDt ER XMT arene RCV 7 eee XMT Be ta dinars XMT Bed RCV Be than XMT Bias GNDt en RCV RDA GNDt Bs ut cower N C tConnection to ground is optional Crossover Cable Construction Connec
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