[Blog] Opto 22's SNAP Ethernet I/O, Key Part of Access Control System at Correctional Facilities: Temecula,, electronic access control, CA November 7, 2001 "Opto 22, deve... http://thecomputer.weblogarticle.com/electronic-access-control/opto-22s-snap-ethernet-io-key-part-of-access-control-system-at-correctional-facilities/