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Application Notes
87
APPLICATION NOTE: Implementation of the SKB in an existing SK/SP Application
(using the Simplex Parallel Interface)
The intent of this application note is to describe the physical interface translation to allow an SKB
switch to be backward-compatible with an SK controller. In this mode, the SKB switch is functionally
compatible to an SK switch.
The pins allocated to SK emulation are located in the center portion of the 2x25 connector allowing
direct ribbon cable drop-in to existing applications.
To connect an existing SK controller to a SKB II unit, an adapter cable assembly is required. The wir-
ing information is contained in Table 12, below.
An illustration of an SKB device with an SK emulation cable is shown in Figure 17
Figure 17: SKB with SK/SP Emulation Adaptor Harness
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