Installing the Device
2.4.1 Power Supply Connector Pin-Out
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 is connected to chassis ground internally.
An additional chassis ground screw is also present that
connects chassis ground to both power supply surge
grounds via a removable jumper. For more information
Transient Protection (Page 18)"
.
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.
M23 Power Supply Connector
5
4
3
2
1
Figure 2.4
M23 Power Supply Connector
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
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.
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 is connected to
chassis ground internally.
An additional chassis ground screw is also present
that connects chassis ground to both power
supply surge grounds via a removable jumper.
For more information about the jumper, refer to
"Disabling Line-to-Ground Transient Protection
4
PS2 Neutral/-
PS2 Neutral/-
is connected to the negative (-)
terminal if the power source is DC or to the
(Neutral) terminal if the power source is AC.
5
PS2 Live/+
PS2 Live/+
is connected to the positive (+)
terminal if the power source is DC or to the (Live)
terminal if the power source is AC.
RUGGEDCOM RS969
Installation Manual, 01/2021, C79000-G8976-1038-03
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