NK Series User Guide (1.0) Installation • 3–19
The NK-SCP
The NK-SCP Serial Control Port allows an NK Series routers to be controlled via the Kondor 2 or an external
RS-232 device. It is available in RS-232 (NK-SCP/A) and RS-485 (NK-SCP/K2) models. Configuration of either
the NK-SCP/A or the NK-SCP/K2, as well as router configuration and partitioning, requires the NK-IPS.
Figure 3.32 NK-SCP/A RS-232 and NK-SCP/K2 RS-485
The NK-SCP/A – RS-232 Control
The NK-SCP/A model allows an RS-232 device, such as an automation system or computer terminal, to control NK
routers using the Ross Video EOS ASCII protocol. Any combination of NK routers can be controlled with a
maximum size of 255 inputs and 255 outputs with up to 8 levels. The bidirectional protocol incorporates both
crosspoint status monitoring and crosspoint switching. Crosspoint switching can be performed using individual
levels or through user-defined breakaway mapping.
The NK-SCP/K2 – RS-485 Control
The NK-SCP/K2 allows Kondor 2 routers to be extended by utilizing NK routers as additional levels. Any
combination of NK routers can be added to a Kondor 2 system with a maximum size of 255 inputs and 255 outputs
with up to 8 levels. Kondor 2 router inputs, outputs and levels are directly mapped to NK Series router inputs,
outputs and levels, requiring no user mapping.
The NK-GPI
Figure 3.33 NK-GPI
The NK-GPI is a universal GPI interface for the NK family of routers. Providing both GPI inputs and outputs, the
NK-GPI allows flexible GPI control, configured from the NK-IPS Device Properties pages. The NK-GPI also
supports both GPI input return and latch modes.
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