What’s New in X-Series Controllers
5
What’s New in X-Series Controllers
Redundant power source (NX-4200 only)
The NX-4200 can be powered either with a connection to mains AC power (110/220VAC) or from an external 12V DC
power supply.
Note: When the NX-4200 is powered only from an external 12V power supply, the ICSLAN ports will still
function but they will NOT provide PoE power to connected devices.
The NX-4200 can be connected to both mains AC and 12V DC power simultaneously. This provides redundant power
for all but PoE power on the ICSLAN ports. If the AC input power is lost or if the internal power supply fails, the
NX-4200 will immediately switch to the 12V DC power input without interruption. When AC power is restored, the
NX-4200 will switch back to the internal power supply, again without interruption.
Power button (NX-4200 only)
The NX-4200 includes a momentary button on the front panel that can be used to turn on and off the unit. When power is
applied to the unit the power state is always on and the integrated LED is green. If the power button is pressed for more
than two seconds while the unit is on, the unit is turned off and the integrated LED changes to amber. Pressing the button
momentarily while the unit is off will turn it on and return the integrated LED to green. This is a convenient method for
cycling power without unplugging a power connection on the rear of the unit.
Note: The power button does not switch off AC power routed to the internal power supply. If AC power is used
on the unit, AC power will still be present on the power supply AC input connections even when the unit
is turned off.
If an internal power fault is detected, the LED integrated into the power button will flash yellow. This is an indication
that the unit requires service.
Front panel LCD status display (NX-4200 only)
The NX-4200 includes a 2-line by 20-character display on the front panel to display status information. The toggle
switch next the display scrolls through a fixed list of information about the unit and its current configuration. Included in
the list are:
Unit serial number and firmware versions
LAN port IPv4/IPv6 address(es), MAC address and DNS information
ICSLAN port IPv4/IPv6 address(es) and MAC address
ICSLAN port PoE status
4-Port PoE ICSLAN switch (NX-4200 only)
The NX-4200 includes four ICSLAN connection ports via a built-in 4-port switch. When powered by an AC source, the
NX-4200 can supply power via PoE to each port on the 4-port switch. The NX-4200 supports hi-powered PoE (802.3at
STANDARD), but the total power draw of all four ports cannot exceed 72 watts.
Power can be individually switched off and on to each port from NetLinx code using the “SET POWER ON” and “SET
POWER OFF” commands.
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