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Summary of Contents for Patton electronics 1070
- Page 1 USER MANUAL MODEL 1070 AC Powered, Synchronous Short Range Modem Part #07M1070-C Doc. #067011U, Rev. D C E R T I F I E D Revised 1/22/08 An ISO-9001 Certified Company SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007 http://www.patton.com...
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Page 2: Radio And Tv Interference
However, there is no guarantee that interference will not occur in a particular installation. If the Model 1070 does cause interference to radio or television reception, which can be... - Page 3 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 1070. Technical Service hours: 8AM to 5PM EST, Monday through Friday.
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Page 4: General Information
19.2 Kbps, and extends RS-232 transmission distances up to 10 miles over two twisted pair. The Model 1070 is housed in a sturdy metal case, and comes with either 115 or 220V external transformers. This is the top-of-the-line in... - Page 5 3.0 CONFIGURATION The Model 1070 uses a set of eight external DIP switches that allow configuration to a wide range of synchronous applications. Because all eight switches are in one externally accessible DIP package, there is no need to open the Model 1070's case for configuration. The switches allow you to control line contention, clocking methods, RTS/CTS delay and data rates.
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Page 6: Detailed Switch Settings
Model 1070's default would not provide correct results. 3.1.1 DATA RATE Switches 1 thru 3 are set in combination to allow the Model 1070 to be used at data rates from 1200 bps up to 19,200 bps. Switch 1 Switch 2 Note: Switch 4 is not used. -
Page 7: Transmit Clock
Switches 6 and 7 are used together to specify RTS/CTS delay. After request to send (RTS) is raised by the host terminal, the Model 1070 raises CTS after a slight delay in order to give the remote terminal time to receive an incoming signal. Depending on the type of environment, either a 0 mS, 8 mS or 53 mS delay can be selected. - Page 8 The Model 1070 is easy to install. After configuring the DIP switches and DCE/DTE switches, connect the two twisted pairs using one of two methods: terminal blocks or RJ-11 jack. Figure 3 (below) shows the location of the terminal blocks and RJ-11 jack, as well as the female DB-25 on the rear of the Model 1070.
- Page 9 4.1.2 TWISTED PAIR CONNECTION USING RJ-11 If your two-pair cable is terminated in an RJ-11 plug, you may use the RJ-11 jack in the back of the Model 1070 to make the connection. The RJ-11 jack on a Model 1070 series Short Range Modem is prewired for a standard TELCO wiring environment.
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Page 10: Daisy Chain Topology
Call Patton Technical Support for specific distance estimates. Figure 4 (below) shows how to wire the two-pair cables properly for a Model 1070 daisy chain topology. Note that the ground connection is not needed. HOST Figure 4. Model 1070 daisy chain wiring... -
Page 11: Star Topology
Call Patton Technical Support for specific distance estimates. Figure 5 (below) shows how to wire the two-pair cables properly for a Model 1070 star topology. Note that the ground connection is not needed. HOST Figure 5. -
Page 12: Operation
"high" signal. Note: RTS refers to the signal generated by the DTE on pin 4. CD refers to the signal generated by the Model 1070 on pin 8. It also indicates that a signal is being received by the remote modem. - Page 13 Model 1070s (local) in test mode by depressing the "Loopback Test" switch. Any characters sent from the remote Model 1070 will be returned back to the originating device (see Figure 6). If no characters are echoed back, check the wiring between the two Model 1070s.
- Page 14 PATTON MODEL 1070 SPECIFICATIONS Transmission Format: Synchronous Distances: See table (below) Interface: RS-232 (CCITT V.24) DB-25 female Transmission Line: 4-wire, unconditioned via RJ-11 or terminal blocks Data Rates: 1.2, 2.4, 4.8, 7.2, 9.6, 14.4 and 19.2 Kbps Clocking: Internal or external Controls: Carrier constantly "ON"...
- Page 15 PATTON MODEL 1070 CABLE RECOMMENDATIONS The Patton Model 1070 is designed and tested to communicate over twisted-pair cable with the following characteristics: Wire Gauge 19 AWG/.9mm 22 AWG/.6mm 24 AWG/.4mm Using the above characteristics as a baseline, we estimate the distance limitations for the Model 1070 to be as follows.
- Page 16 PATTON MODEL 1070 INTERFACE PIN ASSIGNMENTS DIRECTION To Model 1070 Data Term. Ready (DTR) - 20 APPENDIX C STANDARD "DCE" 1- (FG) Frame Ground 2- (TD) Transmit Data 3- (RD) Receive Data 4- (RTS) Request to Send 5- (CTS) Clear to Send...
- Page 17 APPENDIX D PATTON MODEL 1070 BLOCK DIAGRAM...
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Page 18: Appendix Btroubleshooting
2. Outlet is defective 3. AC power cord is defective 4. The AC transformer is not plugged into the Model 1070 No data transfer in 1. Improper twisted either or both pair wiring directions 2. Improper bit rate setting 3. - Page 19 3. Poor twisted pair connections to Model 1070s APPENDIX B TROUBLESHOOTING PROBLEM SOLUTION 1. Check wiring between Model 1070 and connected DTE device—it should be straight through 2. Compare your twisted pair wiring with the diagram in Section 3. Make sure the bit...
- 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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