HU-PYXIS
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PYXIS
System User Guide
5.1.9 Expansion (EXP_IN, EXP_OUT)
Pyxis 3U frames can be expanded up to eight frames. A single Master Router, using Nebula or Nucleus
controller(s) and up to seven slave routers using 2451 Slave controller(s). Physical connection is
between the EXP_OUT of the Master Router into the EXP_IN of a Slave Router (as illustrated in the
diagram below). A standard network cable, pin to pin, RJ45 to RJ45 should be used for the
interconnections.
Figure 28: Pyxis Expansion - System Diagram
The 2451 controller(s) in the Slave Frames means Port 1 is automatically configured as EXP_IN rather
than RS422.
The patch cables between the frames should be as short as possible; the maximum recommended
length is 5m.
5.1.9.1 2451
Configuration
In a slave frame the 2451 requires some configuration according to it’s location in the frame and the
frames location in the system.
The diagram below shows the switches and details their settings.
Figure 29: 2451 Slave Controller Configuration
