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24 U2751A User’s and Service Guide
1Getting Started
U2922A Terminal Block
The U2922A terminal block is an optional accessory to be
used with the U2751A. The U2922A which weighs
approximately 100 g and has screw-type terminals, offers you
a convenient and simple way of making connection to the
switch matrix for prototyping applications or an actual
system deployment. It allows the user to configure a wide
variety of routing options and matrix topologies.
The U2922A pin configuration is in accordance to the 25-pin
male DSub connector of the U2751A as shown in the
following:
R represents “Row” and C represents “Column”.
H represents “High” and L represents “Low”.
Figure 1-2 U2922A pin configuration
You may also develop your own terminal block by using a
compatible mating 25-pin female DSub connector to the front
panel.
NOTE
Ensure that your design meets the clearance and creepage requirements
for high voltage application as defined by IEC/EN 61010-1.