DSC PC4108A 8-Zone Maxsys Input Module

Complete Description Below:

8-Zone Wired Input Zone Adaptor Module.
Allows Use Of 8-Additional Zones Per Module.
For Use With DSC Maxsys.
Up to 128 zones using PC4108A 8-zone expansion modules.
PC4116 16-zone expansion modules.
NOTE: You Do Not Need This Module If Using 2-Wire AM Series Addressable Detectors.