2N NetSpeaker Complete Manual page 95

Power and Connection
The 2N
using a LAN interface via the RJ–45 connector on the backside. Always use CAT–5d or
higher class cables for reliability reasons. The LAN interface is equipped with the Auto
MDIX function for automatic detection of a straight or crossed cable.
The 2N
power supply, or another power supply on condition that you keep the nominal values
included in the Electric Parameters subsection.
Connect the 12V DC power supply either to the back supply connector marked DC IN,
or terminals marked DC IN+ and DC IN–.
Warning:
If you use an adapter other than the recommended one, do not exceed the
nominal supply voltage value of 12V. Also make sure that the supply voltage
polarity is correct. Exceeding nominal values and/or incorrect connection may
lead to irreversible damage of the equipment.
2N NetSpeaker Lite PCB Factory Reset ®
In some cases, it may be useful to reset the
values using the RESET button in the back. Do this, for example, if the 2N®
NetSpeaker Lite PCB
settings, LAN configuration changes, forgotten password and so on.
Resetting Procedure:
1. Press the RESET button in the back.
2. Keep the RESET button pressed until the front green LED stops shining (for
approx. 10 s).
3. Release the button as soon as the LED starts flashing yellow quickly. It means
that the configuration in the internal FLASH memory is being deleted. This
operation takes about 50 s. Do not disconnect the device from the power supply
during this period.
Firmware Upgrade
The 2N
2N ® NetSpeaker Lite
guarantees that all connected devices have identical and latest firmware versions.
Refer to
Operating Terms and Transport
Operating temperature: 0° to 40° C (32° to 104° F)
Operating humidity: 10 to 85 % (not condensing)
Permitted temperature range for product transport: -25 to +60 ° C (-13° to 140°
F)
®
2N TELEKOMUNIKACE a.s., www.2n.cz
® NetSpeaker Lite PCB
® NetSpeaker Lite PCB
ceases to respond, which may be caused by incorrect LAN
® NetSpeaker Lite PCB
PCB
www.2n.cz for the latest firmware version.
can be connected to a standard local area network
can be fed using a 12V/2A DC (Part No. 914102E)
2N
firmware upgrade starts automatically whenever the
gets connected to the
® NetSpeaker Lite PCB
2N ® NetSpeaker Server
factory
. This
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