StarTech.com USB to RS232/RS485/RS422 4 Port Serial Hub Adapter - Industrial Metal USB 2.0 to DB9 Serial Converter - Din Rail Mountable - Industrial 4 port serial hub 15kV Level 4 ESD - IP30 rating metal USB to serial adapter converter w/ each DB9 port set to RS232/RS422/RS485(2wire/4wire) baud rates up to 921.6Kbps - Desk/wall/DIN rail mount - 6ft USB cable - 12V power adapter/5V USB
Tripp Lite UPS Smart 2200VA 1920W Rackmount AVR 120V / 230V Pure Sine Wave 3URM TAA GSA - 3U Rack/Tower - 4.50 Hour Recharge - 12 Minute Stand-by - 110 V AC, 220 V AC Input - 120 V AC Output - 4 x NEMA 5-15/20R, 4 x NEMA 5-15R - TAA Compliant