Sixnet LLC, Ballston Lake, NY, has added 10-, 16-, and 18-port managed switches, a 6-port Real-Time-Ring switch, and a 6-port unmanaged switch to its SL and SLX series industrial Ethernet switches. The SLX-10MG 10-port switch has 7 fast and 3 Gigabit ports. The SLX-16MS 16-port switch adds 2 Gigabit combination ports for a total of 18 ports. The SL/SLX-6RS-1/4/5 is a 6-port Ethernet ring switch with ultrafast network redundancy and prioritized message delivery. The SL/SLX-6ES-4/5 6-port unmanaged switch features 4 fast and 2 fiber ports. All switches offer dual power inputs, industrial surge/spike protection, and a self-test/alarm output contact.