GE KTD-400 User Manual

KTD-400 Controller KeypadUser Manual2Product overviewThe KTD-400 Controller Keypad is designed for use in a Digiplex system. The KTD-400 can address andcontrol 512 pan/tilt/zoom (PTZ) receiver sites, operate a matrix switcher with 64 monitor outputs, and address/select views from as many as 64 multiplexers and VCRs. Several modes of multiplexers are supported.Note: For CyberDome control with the KTD-400, pan/tilt operation is limited to three speeds. To operate and controlmultiplexers and VCRs, you must have a KTD-93 auxiliary device driver attached to each device in a Digiplex system.Controller keypad placementA Digiplex system’s RS-422 control signal originates from the controller keypad located at the head of thesystem and travels down line via twisted-pair cable. When more than one controller keypad is used, the signalmust loop through each keypad (Figure 1) or be merged using KTD-312 signal mergers (Figure 2) beforebeing routed to the rest of the components in the system.Figure 1. Placement in a Digiplex systemFigure 2. Placement using a KTD-312 signal mergerRS-422MultiplexerKeypad KeypadVideo switcherKTD-93RXRS-422MultiplexerKeypad KeypadVideo switcherKTD-93RXKTD-312