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What’s so hot about Send Data Control (SDC)?
As operating systems become more complex, it is increasingly difficult
to control an RS-485 driver with standard software and the RTS line.
This is especially true in Windows and multi-tasking operating systems.
With B&B’s Automatic Send Data Control circuit, driver control is in the
converter hardware, so you don’t have to work with software at all. The
circuit monitors data flow and enables the driver during transmission
and automatically disables it when no data is being sent. There is no
need to rework software or install new drivers.
Most B&B Electronics RS-232 to RS-485 converters and RS-485 serial
cards include Automatic Send Data Control.
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Connect serial devices to your USB-only PCs
Isolated and non-isolated USB to serial converters
Isolated USB to serial converters
- 2000 VDC optical isolation
- 15kV ESD surge protection
- Adds a COM port to your PC
- Protects the USB device and PC against surges, spikes and ground loops
- LEDs for Transmit and Receive lines
- USB 1.0 and 1.1 compliant (compatible with USB 2.0)
- Automatic configuration on Windows 98, ME, 2000 and XP
- No power supply required (powered from USB bus)
- Includes 1 meter USB cable
RS-232 USB/serial converter unique features
- Full handshake support (TD, RD, RTS, CTS, DTR, DSR, DCD, RI, GND)
- DB9 male (DTE)
- Baud rates up to 460 Kbps
RS-422/485 USB/serial converter unique features
- Pluggable terminal blocks
- Supports TDA, TDB, RDA, RDB, GND
- Baud rates up to 460.8 K
- Use on RS-485 2-wire or RS-422/485 4-wire networks
- Supports Send Data Control (SDC)
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Model No. |
Description |
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USO9ML2
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USOPTL4
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USPTL4
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