Revised 2016-02-12
Hardware Installation
Power Source
2-28
Sixnet
®
SeriesRAM
®
9000
Hardware Guide
Power Source
Powering the unit
The unit will boot up as soon as power is applied to one of its power inputs and immediately shuts off when this
input voltage is removed or drops below or around 7.4 VDC.
Testing the power connection
Check the P1 and P2 LED’s on the RTU: if either or both are green, then the unit is powered. If both are OFF, then
review the installation procedures or contact Red Lion Technical Support for further assistance.
6-pin Screw Terminal
Power is supplied to the unit via the 6-pin screw terminal on the top panel. Use copper wiring with a minimum insu-
lation rating of 90°C. The pins are described as follows:
Important
Any installation involving electrical wiring and connections should be done by someone who is experi-
enced in this field. The safety of any system incorporating the equipment, is the responsibility of the
assembler of the system.
Follow all local and national wiring codes.
Must consult guide in all cases where this symbol is marked.
Pin
Name
Description
Power Connector
(top of unit)
P1+
Power 1+
This is the primary power source positive (+)
input.
P1-
Power 1-
This is the primary power source negative (-)
input.
Chassis
Ground
Tie to the panel or chassis ground.
P2+
Power 2+
This is the secondary power source positive
(+) input.
P2-
Power 2-
This is the secondary power source negative (-
) input.
Chassis
Ground
Tie to the panel or chassis ground.
Note:
For best grounding, ground both chassis ground screws in the connector AND the ground screw
next to the power connector.
To meet UL requirements, a “Class 2 Source” power supply is required.
