... control availablel 2U, rack-mountable aluminium enclosure.l Internal international power supply (100Volt~240Volt AC, 50/60Hz).l For worldwide ... models are equipped with an internal, auto-switching power supply that meets or exceeds all appropriate safety certifications.l Global ... shows the system & switching information.l Internal universal power supply— The 100-240 VAC, 50/60 Hzl REFERENCE DEVICES ...