Patton electronics MODEL 1075 User Manual
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Patton electronics MODEL 1075 User Manual

Ac powered, high-speed x.21 short-range modem
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Part #07M1075-B
Doc: 054081U, Rev. C
Revised 1/23/08
C E R T I F I E D
An ISO-9001
Certified Company
USER
MANUAL
MODEL 1075
KiloModem II AC
Powered, High-Speed
X.21 Short-Range Modem
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
http://www.patton.com

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Summary of Contents for Patton electronics MODEL 1075

  • Page 1 USER MANUAL MODEL 1075 KiloModem II AC Powered, High-Speed X.21 Short-Range Modem Part #07M1075-B Doc: 054081U, Rev. C Revised 1/23/08 C E R T I F I E D An ISO-9001 Certified Company SALES OFFICE (301) 975-1000 TECHNICAL SUPPORT (301) 975-1007...

  • Page 2: Radio And Tv Interference

    However, there is no guarantee that interference will not occur in a particular installation. If the Model 1075 does cause interference to radio or television reception, which can be...
  • 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 1075. Technical Service hours: 8AM to 5PM EST, Monday through Friday.

  • Page 4: General Information

    32, 56 and 64 Kbps. Synchronous transmit clock options are internal, external and receive recover clock. Deriving power from a 9V DC wall-mount transformer, the Model 1075 supports extended distances to 6 miles (9.7km) over 2 unconditioned twisted pairs.

  • Page 5: Configuration Switches

    Model 1075 (See Figure Figure 1. Underside of the 1075 Showing Location of DIP Switches The two sets of DIP switches on the underside of the Model 1075 will be referred to as S1, S2. Figure 2 shows the orientation of DIP Switches S1 and S2 with respect to “ON”...
  • Page 6 Position S1-1 thru S1-7 S1-8 Switches S1-1 through S1-7: Not Assigned Switch S1-8: V.54 Test Functions Switch S1-8 enables or disables the Model 1075 V.54 loopback test modes. S1-8 Activation Enabled Disabled 3.1.2...
  • Page 7 Switches S2-1 and S2-2: Data Rate Switches S2-1 and S2-2 are set in combination to determine the synchronous data rate for the Model 1075. S2-1 S2-2 Switches S2-3 and S2-4: System Clock Mode The setting for switches S2-3 and S2-4 determines the transmitter clocking mode for the Model 1075.

  • Page 8: Configuration Straps

    3.2.4) 3.2.1 Opening the Case To open the Model 1075 insert a flat head screw driver into an open slot on either side of the case, as in Figure 3. Twist the screw driver head slightly and the top half of the case will separate from the lower half, as in Figure 4, below.
  • Page 9 JP1 strap on top side of the the PC board. DTE/DCE Strap Figure 5 . Position of DTE/DCE and JP1 Jumper Straps on Model 1075 PC Board 3.2.3 Setting the DCE/DTE Strap The X.21 interface on the Model 1075 is DCE/DTE switchable.
  • Page 10 3.2.4 Setting the JP1 Shield Strap The setting of JP1 determines whether the shield (pin 1) of the X.21 interface is connected signal ground. In the default setting, DB-15 shield is connected to signal ground. The X.21 shield is not connected to signal ground when the jumper is placed on pins 1 and 2 .

  • Page 11: Installation

    When you have properly configured the configuration switches and straps, you are ready to connect the Model 1075 to connect to your system. This section tells you how to properly connect the Model 1075 to the twisted pair. 4.1 CONNECTION TO THE TWISTED PAIR INTERFACE The Model 1075 supports full or half duplex communication between two X.21 devices at distances to 6 miles (9.7 km) and data...
  • Page 12 Figure 8. Pin Number Assignments for RJ11 and RJ45 Modular Jacks 4.2 CONNECTION TO X.21 INTERFACE To connect the Model 1075 to a piece of data terminal or data communications hardware, use a straight through DB-15 cable. Plug the cable directly into the DB-25 port on the rear of the Model 1060.

  • Page 13: Ac Power Connections

    4.3 AC POWER CONNECTIONS Power is supplied to the Model 1075 by a 9 VDC, 1 A wall mount transformer. This transformer connects to the Model 1075 by means of a cannon jack on the rear panel. The Model 1075 is powered-up as soon as it is plugged into an AC outlet–there is no power switch.

  • Page 14: Operation

    V.54 test modes. The Model 1075 is powered by a 9V DC external wall mount transformer. To power up the unit, connect the power supply cord to the power jack on the rear of the Model 1075 and plug the power adapter into the wall. There is no ON/OFF switch.

  • Page 15: Test Modes

    The Local Analog Loopback (LAL) test checks the operation of the local Model 1075, and is performed separately on each unit. Any data sent to the local Model 1075 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 16 The V.52 BER test can be used independently of the V.54 loopback tests. This requires two operators: one to initiate and monitor the test at the local Model 1075, and one at the remote Model 1075. To use the V.52 BER test by itself, both operators should simultaneously follow...
  • Page 17 PATTON MODEL 1075 SPECIFICATIONS Approvals: CE European Directives DTE/DCE I/F: X.21 DB15F DCE or DTE, EIA RS-422 Compliant Compatibility: 1035, 1045 , 1075, 1080A, 1090 series units Transmission Format: Synchronous Transmission Unconditioned twisted pair 19 - 26 AWG Line Interface:...
  • Page 18 APPENDIX B MODEL 1075 FACTORY REPLACEMENT PARTS AND ACCESSORIES Patton Model # Description 1075 ...KiloModem II X.21 Short Range Modem 0805B ...120V Wall Mount AC Adapter 08059DCI ...230V AC Adapter (No Power Cord) 0805US ...American Power Cord 0805EUR...European Power Cord CEE 7 0805UK ...United Kingdom Power Cord...
  • Page 19 APPENDIX C MODEL 1075 X.21 Interface DB15 Female Signal Shield Transmit (a) Control (a) Receive (a) Indication (a) System Clock (a) Signal Ground Transmit (b) Control (b) Receive (b) Indication (b) System Clock (b) Source...
  • Page 20 APPENDIX D MODEL 1075 PIN CONFIGURATIONS BLOCK DIAGRAM Copyright © Patton Electronics Company All Rights Reserved...
  • Page 24 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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