Proliant 1850R ServerNet PCI, 327433-001 8-bit isolated ac input module. For monitoring ac voltage levels. Transformer isolated, it accepts up to eight differen- tial inputs and monitors their states. Input is structured as a single 8-bit byte. The Proliant 1850R ServerNet PCI, 327433-001 includes a switch-selectable change of state capability. Proliant 1850R ServerNet PCI, 327433-001 16-channel isolated dc interrupt module. Used for monitoring a wide range of voltages or contact closures. Accepts up to six- teen differential inputs. The Proliant 1850R ServerNet PCI, 327433-001 module offers a change-of- state initiated interrupt capability through enable switches for each of the sixteen inputs. Features high input impedance and operates at high speeds.