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Serial connector : Sixteen DB9
male connectors
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Power Supply : built-in internal
switching power supply
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Adds high speed RS-232 / 422 /
485 port via USB connection
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384 byte receive buffer
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128 byte transmit buffer for high
speed data throughput
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Requires no IRQ, DMA, I/O port
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Serial transmission speed up to
921.6 Kbps
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Suitable for 4-wire RS-422/485
and 2-wire RS-485 applications
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Auto receive/transmit control for
2-wire RS-485 half-duplex operation
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Tx ,Rx Termination resistors installed
on-board and easy enable/disable via software utility or console port
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Tx ,Rx BIASing resistors installed
on-board and easy enable/disable via software
utility or console port
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Easy operation mode change via
software utility or console port
- RS-232
data signals : DCD, RxD, TxD, DTR, GND, DSR, RTS, CTS, RI
- RS-422
data signals : Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-
- RS-485
data signals : Tx-, Tx+, Rx+, Rx-(4 wire), and data-, data+(2 wire)
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Monitor LEDs of TxD, RxD of each
port indicating port status
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Monitor LEDs of mode indicating
serial port operation mode
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Virtual COM port drivers available
for Windows 2000/XP/2003/Vista
- Metal case