the following items are required:

    1 a television monitor

    2 a network connection

    3 a power source

    additionally, the following items are required for each viewstation as listed below:

    1 viewstation h.323 — a local area network (lan) ethernet connection.

    2 viewstation h.323 with optional quad bri network interface module — up to four isdn lines from the isdn service provider and an optional ethernet lan connection if h.323 is used.

    3 viewstation h.323 with optional avaya dcp network interface module — up to four dcp lines from a definity pbx. the viewstation dcp uses the wall jack ports connected to the lucent definity pbx and an optional ethernet lan connection if h.323 is used.

    4 viewstation 128 — an isdn line for up to 128 kbps video communications and an optional ethernet lan connection if h.323 is used.

    5 viewstation h.323 with v.35 network interface module — access to a data communications equipment (dce) or data service unit (dsu) and an ethernet lan connection if h.323 is used.

    6 viewstation mp (quad bri or avaya dcp with multi-point calling, and up to four isdn or dcp lines) — a software license to enable multi-point calling capability on the viewstation h.323 with bri or dcp, and an ethernet lan connection if h.323 is used.

    multi-point is available for the viewsta tion h.323 or viewstation 128 with a hardware upgrade.

    television monitors

    any s-video or composite television monitor with rca input ports smay be used with the viewstation. the size of the television monitor should be proportional to the size of the room where the viewstation is used. one television monitor may be used for video and a second monitor may be used to display graphics.