RS-232 Meets EIA/TIA-232F and CCITT V.2 8/V.24 Spec. CG-4URS232A w/ FTDI chipset * 4 / MCU control. ESD Protection for RS-232 I/O' +-15KV Easy to install , Plug & Play With Green / Red double color LED *4
Coolgear 4 port USB 2.0 to RS 232 Auto Switch FTDI Chipset
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