Specifications Connector Function Input DB9 Female RS-232 from POS DB25 Male / Parallel Port RS-232 from POS / Parallel Port from POS Output DB9 Male RS-232 to Printer DB25Female / Parallel Port RS-232 to Printer / Parallel Port to Printer DB9 Female RS-232 to DVR RJ-45 RJ-45 to DVR RS-485+ Connect to GV-NET / GV-Hub / GV-COM RS-485+ RS-485- Connect to GV-NET / GV-Hub / GV-COM RS-485- Method Speed Communication RS-232 from POS 1,200 bps~115,200 bps RJ-45 to DVR 10 / 100 Mbps RS-232 to DVR 1,200 bps~115,200 bps RS-485 to GV-NET / GV-NET Card / GV-NET / IO Card 1,200 bps~19,200 bps RS-485 to GV-Hub / GV-COM 600...
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