Linx Technologies HumPRC OTX-900-HH-LR8-PRC Data Manual

900mhz long-range handheld transmitter

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HumPRC 900MHz Long-Range
Handheld Transmitter
Data Guide

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Summary of Contents for Linx Technologies HumPRC OTX-900-HH-LR8-PRC

  • Page 1 HumPRC 900MHz Long-Range Handheld Transmitter Data Guide...
  • Page 2 Warning: Some customers may want Linx radio frequency (“RF”) products to control machinery or devices remotely, including machinery or devices that can cause death, bodily injuries, and/or property damage if improperly or inadvertently triggered, particularly in industrial settings or other applications implicating life-safety concerns (“Life and Property Safety Situations”).
  • Page 3: Table Of Contents

    Table of Contents Description Features Applications Ordering Information Electrical Specifications Theory of Operation Button Assignments Assembly Diagram Contention Considerations Battery Replacement Joining a Transmitter Labeling / Instruction Requirements Typical Applications Operation with the HumPRO Series Transmitter Schematic...
  • Page 5: Description

    PRC Long-Range Handheld Transmitter Data Guide Description The OTX-900-HH-LR8-PRC Long-Range 34.93 mm (1.38 in) Handheld Transmitter is ideal for general- purpose remote control and command applications that require longer transmission R 5.08 mm distances. This unit has been pre-certified (0.20 in) for FCC Part 15 and Industry Canada 50.80 mm (2.00 in)
  • Page 6: Ordering Information

    Ordering Information Ordering Information Part Number Description OTX-900-HH-LR8-PRC 900MHz HumPRC Long-Range Handheld Transmitter HUM-900-PRC 900MHz HumPRC Series Remote Control Transceiver, Cas- tellation Interface, External Antenna Connection 900MHz HumPRC Series Remote Control Transceiver, Certi- HUM-900-PRC-CAS fied, Castellation Interface, External Antenna Connection 900MHz HumPRC Series Remote Control Transceiver, Certi- HUM-900-PRC-UFL...
  • Page 7: Theory Of Operation

    Theory of Operation The OTX-900-HH-LR8-PRC Long-Range Handheld Transmitter uses a HumPRC Series transceiver to form a simple, yet highly reliable RF remote control transmitter. The HumPRC Series transceiver is a low-cost, high performance FSK radio that utilizes a proprietary Frequency Hopping Spread Spectrum (FHSS) technique and over-the-air protocol.
  • Page 8: Button Assignments

    Button Assignments Figure 5 illustrates the relationship between the button locations and encoder data lines. Figure 5: Button Assignments Assembly Diagram Figure 6: Assembly Diagram – –...
  • Page 9: Contention Considerations

    Contention Considerations It is important to understand that even though the transmitter uses a frequency hopping protocol, it is still possible for interference to interrupt the transmissions. While the transmitted signal consists of encoded digital data, only one carrier of any particular frequency can occupy airspace without contention at any given time.
  • Page 10: Joining A Transmitter

    Joining a Transmitter The handheld transmitter is associated with a receiver using the built-in Join Process. This process configures a star network with the central unit as the system Administrator. Other units are added to the network as nodes one at a time. Typically, the handheld transmitter is added as a node to a module that has been configured as an administrator.
  • Page 11: Labeling / Instruction Requirements

    Labeling / Instruction Requirements The transmitter has been pre-certified for FCC Part 15 and Industry Canada license-exempt RSS standards for an intentional radiator. It has already been labeled in accordance with FCC and Industry Canada regulations. No further labeling of the unit is needed; however, it is necessary to include the following statement in the end product’s instruction manual or insert card.
  • Page 12: Typical Applications

    Additional features can be enabled through the module's Command Data Interface. The data guide and additional documentation for the HumPRC Series transceiver can be found on the Linx Technologies website at www. linxtechnologies.com. –...
  • Page 13 VCC VCC MODE_IND ACK_OUT Figure 10: HumPRC Series as a Receiver Schematic – –...
  • Page 14: Operation With The Humpro Tm Series

    Operation with the HumPRO Series The commands from the handheld transmitter can be received by a HumPRO Series transceiver. The transmitter should be joined to the HumPRO Series module in the same manner as it would be joined to a HumPRC Series module.
  • Page 15: Transmitter Schematic

    transmission or within the ALIVE interval of the previous Remote Confirm message. Transmitter Schematic ANT1 ANT-fff-PW-LP HUM-fff-PRC-CAS LATCH_EN R7 10k RESET RESET POWER_DOWN 0.1uF R8 10k LNA_EN R9 10k PA_EN CD_OUT CMD_DATA_OUT CD_IN CMD_DATA_IN ACK_EN PAIR PAIR BATHLD-001-THM Blue RESET RESET LED0 CD_OUT...
  • Page 16 Under no circumstances shall any user be conveyed any license or right to the use or ownership of such items. ©2018 Linx Technologies. All rights reserved. The stylized Linx logo, Wireless Made Simple, WiSE, CipherLinx and the stylized CL logo are trademarks of Linx Technologies.

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