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LEFT EDGE
Note:
When the Nexus 2 is shipped from the factory, both power connectors are
covered by a warning label. Make sure this label is completely removed
before using the Nexus 2.
1
Power module expansion port
2
24 V AC/DC power Phoenix
connector
3
19.5 V DC power adapter port
Note:
Nexus 2 requires a dedicated SELV 24 V 60VA AC / DC supply (Class II
supply) or a dedicated Dell SELV 19.5 V 65 W PSU.
Note:
The recommended supply for warranty purposes is the included Dell
PSU.
When using a higher VA transformer, care must be taken to ensure that
the voltage stays within specification (see
Specifications - Power
Warning:
Earthing or Grounding of any of the terminals connected to
the SELV power supply will cause serious damage to the
power supply rectifier and will invalidate the product
Warranty.
Never Earth or Ground any of the terminals connected to this
power supply.
Never use this power supply to power CB, NB, or SBC control
devices, or any other equipment, because it is possible that
the other equipment may be connected to Earth or Ground.
If the
Nexus 2
is acting as a Site's central server, hosting the primary UI
Note:
and historical data, it is recommended that its power supply is connected
to an Uninterruptible Power Supply (UPS).
RIGHT EDGE
1
IO expansion port
NEXUS Series |
Unused
Connect a 24 V AC/DC power connector to
provide power to your system.
Connect a 19.5 V DC power adapter connector to
provide power to your system.
on page 15).
Unused
Overview
Detailed Engineering
8
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