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RS-232 Serial / Modbus Module,DB9 cable

Product Code: CH-W232

RS-232 Serial / Modbus Module,DB9 cable
RS-232 Serial / Modbus Module,DB9 cable
Brand: Cooking Hacks

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The RS-232 standard was first introduced in 1962 by the Radio Sector of the EIA. The original DTEs (data terminal equipment) were electromechanical teletypewriters, and the original DCEs (data circuit-terminating equipment) were usually modems. For many years, an RS-232-compatible port was a standard feature for serial communications, such as modem connections, on many computers. The RS-232 standard is still used to connect industrial equipment (such as PLCs), console ports and special purpose equipment.

The IEEE RS-232 standard defines electrical, signal timing, and size connectors. Use of a common ground, limits RS-232 to applications with relatively short cables. RS-232 connection consisting only of transmit data, receive data, and ground. RS-232 protocol uses bipolar signal. Valid signals are ±3 to +15 volts, the ±3V range is not a valid RS-232 level. Data signals between -3V and -15V represents a logic 1. The logic 0 is represented by a voltage of between +3V and +15V.

RS-232
Standard TIA-232-F
Cabling Single ended
Connector DB9
Network Topology Point-to-point
Maximum Speed 115200 bps
Signaling Unbalanced
Mark(1) -5...-15
Space(0) +5...+15
Signals Full Duplex (Rx, TX)

Applications:

  • - Dial-up modems
  • - GPS receivers (typically NMEA 0183 at 4,800 bit/s)
  • - Bar code scanners and other point of sale devices
  • - LED and LCD text displays
  • - Satellite phones, low-speed satellite modems and other satellite based transceiver devices
  • - Flat-screen (LCD and plasma) monitors to control screen functions by external computer, other AV components or remotes
  • - Test and measuring equipment such as digital multimeters and weighing systems
  • - Updating firmware on various consumer devices
  • - Some CNC controllers
  • - Uninterruptible power supply
  • - Stenography or Stenotype machines
  • - Software debuggers that run on a 2nd computer
  • - Industrial field buses

Documentation:
Waspmote Quick Tutorial
Waspmote Site 
Waspmote Technical Guides 
Sensor Boards Technical Guides 
Networking Guides 
Developers Forum 
Videos 
Articles 
50 Applications with Waspmote 
FAQ: Waspmote Vs. Arduino

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