Digi CM 48 DUAL PWR Specifications: Device Type: Console server Form Factor: External - 1U RAM: 256 MB Flash Memory: 16 MB Data Link Protocol: Ethernet, Fast Ethernet, RS-232 Power: AC 120/230 V ( 50/60 Hz ) Dimensions (WxDxH) 1.80 x 17.50 x 10.00 Weight: 6.39 lbs.