Recent advancements in USB-to-Serial converter technologies has allowed Optec to offer a single Serial / USB cable in place of the 3-piece configuration. These cables are available in standard lengths of 6, 12, and 25-ft. Because the cable is standard RS-232 level on the long side of the cable, the 5-meter (16-ft.) length restriction for USB does not apply. Contact Optec Sales for custom lengths.
FTDI based USB to Serial Converter. Optec RJ-12 connection.
Any Optec Product that uses RJ-12 Serial
Optec USB to Serial downloads page