![]() ![]() Since it is port powered, no external power is needed. CE/FCC certified: strictly certified by world-class lab TUV. The ISO-232-3P9 is a high quality industrial-grade high speed bi-directional 3 wire (TX, RX, GND) opto-isolated port powered RS232 5000V isolator with 15KV ESD and 600W surge protection in a 9 pin format. Surface Mount Technology manufactured to ISO-9001 standards. Data direction auto-turnaround, no flow control is required. RS-232 signal boosters amplify these weak signals up to the RS-232. Many CE computers, laptops, and some desktops ship with low-power ports that are unable to drive port-powered devices or full-length RS-232 cabling. Repeaters may be daisy-chained for extra range. Plug and play (hot-pluggable, data format auto-sensing & self-adjusting). RS-232 boosters from B&B Electronics double the range of your RS-232 data signal. Supports up to 512 (4x 128) nodes of RS-485 devices. It also eliminates ground loop and noise problems. Optical isolation effectively protects RS-232/RS-485 devices from ground loops, transient surges and spikes. Industrial grade with wide temperature range (-40F to 185F / -40C to 85C), surge (600W) and static protection (15kV). DFRobot Industrial RS485 Opto-Isolated Hub is a 4-Port RS485 bus split hub designed to meet RS485 requirements in complex electromagnetic environments. Rack (DIN-Rail) or wall / panel mounting for easy installation. The failure of any individual loop will not affect the others, making the RS-485 network more robust and reliable. RS-485 Isolation HUB, 2500V Opto-isolation. Expands RS-485 networks by splitting one RS-485 network into four, thus making star-wiring possible for RS-485 networks. Rugged industrial-grade port-powered 3-wire RS232 opto-isolator. Isolated RS485 Hub / Splitter / Repeater data sheet The unit supports data rates up to 115,200 bps and features data format auto-sensing and self-adjusting therefore, no DIP switch or jumpers are required. Opto-isolation also eliminates ground loop and noise problems. Adds one RS-232, RS-485 or RS-422 port to your USB port. The product features opto-isolation circuitry, which effectively protects your RS-232/RS-485 devices from transient surges, ground loops and spikes. Rugged industrial-grade opto-isolated USB to RS232 / RS485 / RS422 converter. Also, the failure of any individual loop will not affect other loops, making the RS-485 networks more robust and reliable. However, each loop of RS-485 devices will transmit data back to the input only, thus reducing any possible interference between each loop of the RS-485 devices. It was designed so that data coming from the input (RS-232 or RS-485) will transmit to all four loops of RS-485 networks. The unit comes with options for RS-485 or RS-232 input, for easy installation. The HUB-485-4 is an industrial-grade (wide temperature range with surge & static protection) optically-isolated RS-485 Hub/Splitter/Repeater, which can be used to expand RS-485 networks by splitting one RS-485 network into four, in turn increasing the maximum number of nodes and the distance covered by an RS-485 network. ![]()
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