SCRAMBLE*NET Gateway/Globalizer.  Polling engine & encryption for Host PC communications to up to 63 DIGI*TRAC controllers (16 max without NET*MUX4.  16 max for MOMENTUM).  RS-232 (or RS-485, selectable) port for Host PC and RS-232 & RS-485 ports for DIGI*TRAC controllers.  Provides server independent globalization of credential limits and master control zones between Digi*Trac controllers on Velocity.  Includes 6' host RS-232 extension cable, transformer (120VAC to 12VDC, 250-500mA), alarm relay, & status LEDs.  Low profile plastic desktop housing.  UL Listed.