Line Acquisition Unit, Line. An interconnecting unit along an acquisition line. Used to control the data. flow from the acquisition lines to the recording truck, and for power management on the line.
Dimensions (HxWxD):  108 x 93 x 224 mm  (4.2 x 3.6 x 8.8 in.) 
Weight:   2.4 kg (5.3 lbs.)