microWIU™ - Alstom

General Description1.8. COMPONENTSThe microWIU is a single, line-replaceable unit housed in a sheet metal enclosure. Thetouch screen display is mounted on the front of the unit, along with a network port andUSB port. The balance of the network ports, an additional USB port, Controller AreaNetwork (CAN) connections, and Vital input and non-vital output connections arelocated on the top of the unit. The unit is powered from a 10–16.5 VDC source, and canbe mounted on a wall, shelf, or 19-inch rack (using a B2 size relay adapter plate).The microWIU includes the following visible components:• Integrated color touch screen display:− Acts as the configuration and status interface for installation, operation, andmaintenance− Provides status and configuration access without a laptop• Embedded web server provides parallel status and configuration capabilities• Discrete LEDs provide power/health indication when the touch screen is in powersaving mode (touch to activate)• Front panel USB port for user upload and download of software components(such as RC2 Key and Maintenance Logs)• Four Ethernet Ports:− Front panel Ethernet port for user web-server access for status and configuration(same as touch screen), and ACSES and ITC simulators− Two Ethernet ports for independent PTC network communication paths capableof being configured as different subnets (ACSES and ITC)− One Ethernet port for master/slave network configuration (local only)• Heavy-duty USB memory stick (located on top of the microWIU)P2525, Rev. 3, Sep/12 1–10 Alstom Signaling Inc.