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2008 RuggedCom Inc. All rights reserved Rev104
Terminal # Description Usage
1 PS1 Live / +
PS1 Live / + is connected to the positive (+) terminal if the
power source is DC or to the (Live) terminal if the power
source is AC.
2
3
Chassis
Ground
Chassis Ground is connected to the Safety Ground
terminal for AC inputs or the equipment ground bus for DC
inputs. This terminal 3 is connected to chassis ground
internally in the RS969 family. There is also an additional
chassis ground screw and the chassis ground connects to
both power supply surge grounds via a removable jumper
shown in Figure 2.2.1.2 .
4
PS1 Neutral / -
PS1 Neutral / - is connected to the negative (-) terminal if
the power source is DC or to the (Neutral) terminal if the
power source is AC.
Table 2: RS969 Power terminal block connection description for Mini A-coded male connector
NOTES:
1. Equipment must be installed according to the applicable country wiring codes.
2. Surge Ground must be disconnected from the Chassis Ground during HIPOT (dielectric
strength) testing.
3. All line-to-ground transient energy is shunted to the Surge Ground terminal. In cases
where users require the inputs to be isolated from ground, remove the ground braid
between Surge and Chassis Ground. All line-to-ground transient protection circuitry will be
disabled.