GMA2008 Input Expansion Module

Connect a 4 conductor cable from the GMA-2008 to the GMU-8120 or GMU-8130 to get extra inputs. The GMA-2008 adds 8 analog inputs to the GMU-8120. You can use up to three GMA-2008's with the GMU-8130 to add 24 inputs (for a total of 32)