Up to 512 Control Channel Addresses   Configure Mode Select Switches   4 Line Analog (0-10V DC) or Dry   Bottom Chassis Key Holes Positioned for Easy Wall Mounting   15 V DC External Power Supply Port   DMX512 Input/Output Ports   NSI Micro-Plex Input/Output Ports   RS-232 Input Port (DB-9 connector)   NSI Luma-Net Architectural Lighting Port (RJ-14 style connector)   NSI Luma-Net Software Interface Capability The Leviton Interface (I/F) 501 allows communication between various protocols.  In addition to merging protocols, this interface device is capable of converting computer protocols to lighting protocols. Lumanet control configuration/software available (option 203).