MTL 8709-CA-08 8-Slot I/O CarrierDescription The MTL 8709 CA 08 is an 8 slot I O carrier designed for PAC8000 systems. It serves as the physical and electrical backbone for mounting and interconnecting I O modules, controllers, and field terminals in both general purpose and hazardous area applications. Specifications Model: MTL 8709 CA 08 Module Capacity: Supports up to 8 PAC8000 I O modules Address Bus Range: Module addresses 164 Railbus Connectors: Female input, male output Field