. The Dry Contact I/O Smart Slot Card (AP9613) is a management product that provides the following features UPS status information presented through 6 fully isolated output relays. This is expandable to 8 using universal input/output ports & optional Dry Contact I/O Accessory (AP9810); UPS control & testing by using 4 opto-isolated input contacts. An additional 4 input contacts (non opto-isolated) may be added using universal input/output ports & an optional Dry Contact I/O Accessory (AP9810); UPS control & testing based on environmental conditions using universal input/output ports & an optional Environmental Sensor (AP9335T or AP9335TH); screw terminal connectors for easy integration into various management systems; a Configuration Utility user interface to customize your setup..