Installing the Device
2.4.2 Power Supply Wiring
Terminal #
Description
Usage
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.
2.4.2
Power Supply Wiring
The following illustrates how to connect the RUGGEDCOM M969 to a single or dual
power supplies.
Note
• For 100-240 VAC rated equipment, a 250 VAC appropriately rated circuit breaker
must be installed.
• For 88-300VDC rated equipment, a 300VDC appropriately rated circuit breaker
must be installed.
• A circuit breaker is not required for 12, 24 or 48 VDC rated power supplies.
• For dual power supplies, separate circuit breakers must be installed and
separately identified.
• When equipped with two HI voltage power supplies, independent AC sources can
be used to power the product for greater redundancy.
Single HI AC Power Supply Wiring
4
5
3
2
1
5
1
3
6
2
4
7
1
M23 Power Connector
RUGGEDCOM M969
Installation Manual, 01/2021, C79000-G8976-1039-03
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