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Summary of Contents for Patton electronics 1080A
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Page 1: User Manual
USER MANUAL MODEL 1080A and MODEL 1080A-64 Universal Synchronous & Asynchronous Short Range Modems Part #07M1080A-D SALES OFFICE Doc. #072041UD (301) 975-1000 Revised 6/19/98 TECHNICAL SUPPORT C E R T I F I E D (301) 975-1007 An ISO-9001 http://www.patton.com... -
Page 2: Warranty Information
The Model 1080A Series has been tested and found to comply with the limits for a Class A... -
Page 3: General Information
2-wire (half duplex) or 4-wire (full or half duplex), in synchronous or asynchronous modes, over unconditioned telephone lines. The Model 1080A supports bit rates up to 57.6 kbps. The Model 1080A-64 supports rates up to 64 kbps. Both operate in synchronous mode between the local and remote modems;... -
Page 4: Configuration Switch Set "S1"
Each Model 1080A Series SRM has three sets of eight switches, yielding 24 total DIP switches. The three sets will be referred to as S1, S2 and S3. As Figure 2 shows, the orientation of all DIP switches is the same with respect to “ON”... -
Page 5: Configuration Switch Set "S2"
9 bits 10 bits 11 bits Switch S2-3: Extended Signaling Rate Model 1080A Series “looks for” in asynchronous data rates (i.e., the actual variance from a given frequency level the Model 1080A Series will tolerate). Switches S2-4 and S2-5: RTS/CTS Delay amount of delay between the time the unit “sees”... -
Page 6: Configuration Switch Set "S3"
The DIP switches on S3 set the anti-stream control, local loopback enable, remote loopback enable and receive (input) impedance levels for the Model 1080A Series. Factory default positions of Switch S3 are shown in the table below. S3 SUMMARY TABLE... -
Page 7: Two-Wire Installation
RJ-45 jack and terminal blocks. Figure 3 (below) shows the location of these interfaces on the rear panel of the Model 1080A Series. Connect the wire to each Model 1080A Series as described in the instructions that follow the illustration. The “+” and “-” indicators are for reference only. -
Page 8: Four-Wire Installation
A. Locate the terminal block on the back of the unit. It should RX+ RX- GND TX- TX+ NOTE: * The “+” and “-” indicators are for reference only. The Model 1080A Series is not sensitive to polarity. B. Connect one wire of the pair to a Transmit lug (TX+ or TX-) on C. - Page 9 A. Locate the terminal block on the back of the unit. It should RX+ RX- GND TX- TX+ * The “+” and “-” indicators are for reference only. The Model 1080A Series is not sensitive to polarity. B. Connect one pair of wires in the telephone cable to the C.
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Page 10: Four-Wire, Multipoint Installation
4.4 RS-232 CONNECTION Connect the synchronous or asynchronous output of your RS-232 device to the DB-25 interface on the rear panel of the Model 1080A Series. Note: The Model 1080A Series is wired to connect to a DTE. If your RS-232 output device is DCE, call Patton Technical Support at: (301) 975-1007;... -
Page 11: Operation
5.1.4 The “Error” Indicators The “Error” indicator LED has three functions: A. When the 1080A Series unit is in test mode (green “Test” LED is lit), the error LED glows red when bit errors occur. B. When not in test mode (green “Test” LED is off), the error LED is used to indicate an RTS streaming condition. -
Page 12: Test Modes
The Local Analog Loopback (LAL) test checks the operation of the local Model 1080A Series unit, and is performed separately on each unit. Any data sent to the local Model 1080A or 1080A-64 in this test mode will be echoed (returned) back to the user device. For example, characters typed on the keyboard of a terminal will appear on the terminal screen. - Page 13 If the test is working properly, the receiving modem’s red “ERROR” LED will blink regularly . A successful “511/E” test will confirm that the link is in place, and that the Model 1080A Series’ built-in “511” generator and detector are working properly.
- Page 14 Selection of the proper SRM for an application is critical to maintaining Customer Satisfaction and should be taken seriously. Certain models are better suited for particular applications and environments than others. Model 1080A Distance Table in miles (km) Data AWG Wire Gauge (mm) Rate (bps) 19 (.9)
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Page 15: Patton Model 1080A Series Block Diagram
APPENDIX C PATTON MODEL 1080A SERIES INTERFACE PIN ASSIGNMENT RS-232 FEMALE, D-SUB 25 CONNECTOR (DCE ORIENTATION) DIRECTION STANDARD RS-232C/V.24 “DCE” SETTING 1- (FG) Frame Ground 2- (TD) Transmit Data 3- (RD) Receive Data 4- (RTS) Request to Send 5- (CTS) Clear to Send...
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