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Buy SerialGear Four Port USB to Quad RS-422/485 Adapter with Optical Isolation & Surge Protection in United States - Rehmie.com

SerialGear Four Port USB to Quad RS-422/485 Adapter with Optical Isolation & Surge Protection

REP1318726 0729440690922 REP1318726

SerialGear

SerialGear
2025-04-23 USD 571.69

$ 571.69 $ 589.37

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SerialGear Four Port USB to Quad RS-422/485 Adapter with Optical Isolation & Surge Protection
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SerialGear Four Port USB to Quad RS-422/485 Adapter with Optical Isolation & Surge Protection
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SerialGear Four Port USB to Quad RS-422/485 Adapter with Optical Isolation & Surge Protection
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Brand SerialGear
Model USB-4COMi-SI-M
Part Number USB-4COMi-SI-M
Color Black
Changer Type USB to DB9 (RS-232)
Features Adds four RS-422 or RS-485 serial ports 2000V DC optical isolation Windows and Mac Compatible

The optical isolation on this 4 port serial adapter protects your PC from spikes and surges on the RS-422/485 network by converting the electrical pulse into an optical signal and then changing it back into an electrical pulse. The surges and spikes cannot cross the optical link.

The adapter is built-in surge protector to withstand electrostatic discharge and power surges up to 25KV ESD. The USB-to-Optical isolated Quad RS-422/485 Adapter provides instant connectivity to RS-422 or RS-485 communication devices for POS factory automation equipment multi-drop data collection devices bar code readers time clocks scales data entry terminals PC to PC long distance communications ATMs and serial data communication in harsh environments.


Features:

  • Adds four RS-422 or RS-485 serial ports by connecting to USB port
  • Installed as standard Windows COM port
  • 2000V DC optical isolation protection
  • 25KV ESD surge protection
  • RS-422 data signal: Tx- Tx+ Rx+ Rx- GND RTS- RTS+ CTS+ CTS-
  • RS-485 data signal:
    4-wire:
    Tx- Tx+ Rx+ Rx- 2-wire: data- data+
  • FIFO: 128 byte transmit buffer 384 byte receive buffer
  • Serial port speed up to 920K bps
  • Four DB9 male connectors
  • Full hardware and software flow control
  • Automatic transmit buffer control for 2-wire RS485 half-duplex operation
  • 2KV DC optical isolation protection
  • ESD surge protection (25KV)
  • Monitor LEDs of Power TxD RxD indicating power & port status