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(MMS) Client/Server - ALSTOM Signaling Inc.

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General Description1.6.2. VPI Communication PortsBoards in the non-vital processor family produce diagnostic data that can be accessedthrough the MAC serial port by a series of menu-driven screens which can be displayedon a VT100 video terminal or an equivalent terminal emulator program.Note: The <strong>Client</strong>/<strong>Server</strong> version (v4.1.x) of <strong>MMS</strong> currently does not supportMAC serial port connection to non-vital boards. Use ALSDload, or anequivalent terminal emulator program, to make such connections.These boards can also produce real-time variable status data in a format compatiblewith <strong>MMS</strong> but is not directly displayable on a video terminal. <strong>MMS</strong> can also use anetwork diagnostic port for Data Log retrieval.The Vital processor board provides diagnostic information in a text-basedquery/response format that was originally meant for viewing with a hand held terminal.Newer versions of VPI ® II/iVPI system software also have a Vital Diagnostic Protocol(VDP) option that can route diagnostic information from the Vital processor boardthrough either a serial port, or through dual-ported random access memory (RAM) tothe non-vital processor board and displayed through the non-vital processor board'sdiagnostic screens.P2528, Rev. Aug/12 1–7 Alstom <strong>Signaling</strong> <strong>Inc</strong>.

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