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Summary of Contents for Patton electronics 2017RC
- Page 1 USER MANUAL MODEL 2017RC Miniature RS-232 to 20mA Current Loop Converter: Dual Port Rack Mount Card Part# 07M2017RC-B SALES OFFICE Doc# 073062U, Rev. C (301) 975-1000 Revised 1/22/08 TECHNICAL SUPPORT C E R T I F I E D (301) 975-1007 An ISO-9001 http://www.patton.com...
- Page 2 The Model 2017RC has been tested and found to comply with the limits for a Class A computing device in accordance...
- Page 3 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 2017RC. Technical Service hours: 8AM to 5PM EST, Monday through Friday.
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Page 4: General Information
RJ-45 connectors on the rear interface card (adapter cables are available from Patton Electronics). The Model 2017RC is designed to mount in Patton’s 2U high 19” rack chassis and 2/4/8 slot Cluster Boxes. The combination of rack mount, Cluster Box and interface powered units provides a completely integrated “networking”... -
Page 5: Front Card Configuration
- Port A Active/PassiveSwitch - Port B Figure 1. Model 2017RC front card, showing location of the Switches and Jumpers 3.1.1 Active/Passive Configuration In any closed current loop, the transmitter or the receiver acts as the active current source, while the other of the two must be passive. - Page 6 Slide switches S1 (TXA) and S3 (TXB) are used to set the port A and port B transmitter modes of operation, respectively. When the active mode of operation is selected, the Model 2017RC transmitter will supply the 20mA loop current to the connected passive receiver. When the passive mode of operation is selected, the Model 2017RC transmitter must be connected to an active receiver.
- Page 7 3.1.2 Setting the Receiver Impedance Straps JB1 and JB2 are used to set the input impedance of the port A and port B receivers, respectively. This allows the user to choose the optimum impedance setting for the particular application. There are two possible positions for JB1 and JB2: strap covering posts 1 &...
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Page 8: Rear Card Configuration
3.2 REAR CARD CONFIGURATION The Model 2017RC has two interface card options: the 1Q11 (which comes equipped with two RJ-11 ports and two RJ-45 ports) and the 1Q45 (which comes equipped with four RJ-45 ports). Figure 4 illustrates these two different rear interface options. - Page 9 The table below provides a summary of strap functions for both of the rear cards. Descriptions of each strap follow the table. INTERFACE CARD STRAP SUMMARY TABLE #1 Strap Position 1&2 Position 2&3 Line A Shield No Shield † Line B Shield No Shield †...
- Page 10 Because the Model 2017RC uses DSR (but not RI), only position 1&2 is valid when this rear card is used. Position 1&2 causes the terminal (DTE) to see DSR when the Model 2017RC is powered up properly. Position 2&3 is for Ring Indicate, which is not used on the Model 2017RC.
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Page 11: Installation
4.0 INSTALLATION This section describes the functions of the Model 1000R16 rack chassis, tells how to install front and rear Model 2017RC cards into the chassis and provides diagrams for wiring up the interface connections correctly. 4.1 THE MODEL 1000R16 RACK CHASSIS The Model 1000R16 Rack Chassis (Figure 6) has sixteen short range modem card slots, plus its own power supply. - Page 12 4.2 INSTALLING THE MODEL 2017RC INTO THE CHASSIS The Model 2017RC is comprised of a front card and a rear card. The two cards meet inside the rack chassis and plug into each other by way of mating 50 pin card edge connectors. Use the following steps as...
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Page 13: Point-To-Point Twisted Pair Connection
Both shielded and unshielded wire yield favorable results. Note: The Model 2017RC can only communicate in a closed data circuit with another Model 2017RC or a compatible 20mA device. Dial-up analog circuits, like those in a standard Hayes-type modem, are not acceptable. - Page 14 4.4.2 POINT-TO-POINT TWISTED PAIR CONNECTION The 6-position RJ-11 and 8-position RJ-45 jack options for the Model 2017RC–always the upper jack on the rear interface card–are prewired for a standard TELCO wiring environment (See Appendix D for pin number orientations). Connection of a 4-wire twisted pair circuit between two or more Model 2017RCs requires a crossover cable as shown in the following charts.
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Page 15: Operation
2017RC when its card-edge connector touches the chassis' mid-plane socket, or when the chassis' power is turned on. Note: The 2017RC is a "hot swappable" card—it will not be damaged by plugging it in or removing it while the rack is powered up. - Page 16 APPENDIX A MODEL 2017RC SPECIFICATIONS Data Rates: 0 to 115.2 kbps Transmission Format: Asynchronous, full duplex Transmission Line: 19 to 26 AWG unconditioned, 2 twisted pairs RS-232 Interface: 10 pin RJ-45 DCE Control Signals: RTS looped back to CTS, DTR looped back...
- Page 17 APPENDIX B PATTON MODEL 2017RC CABLE RECOMMENDATIONS The following statements apply to the Model 2017RC when used as a short range modem over private twisted pair: All Patton Electronics Company Short Range Modems (SRMs) are tested to the distances published in our Catalogs and Specification...
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Page 18: Factory Replacement Parts
APPENDIX C FACTORY REPLACEMENT PARTS The Patton Model 2017RC rack system features custom front and rear power supply entry modules and other user-replaceable parts. Model numbers and descriptions for these parts are listed below: Patton Model # Description 1000RPEM......120/240V Rear Power Entry Module 1000RPSM-2.......120/240V Front Power Supply Module... - Page 19 APPENDIX D PATTON MODEL 2017RC INTERFACE SETTINGS AND ORIENTATION PATTON MODULAR INTERFACE - 10 Wire RJ-45 Contact Number Circuit Description Not Used Received Line Signal Indicator (CD) 108 / 2 DTE Ready (DTR) Signal Common Received Data Transmitted Data Clear to Send...
- Page 20 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.
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