Aviom AN-16/i - Manual (Page 15)

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cable length specification can be compromised by using inline couplers or
other passive connection devices.
AC Line Conditioning
Aviom products are digital devices and as such are sensitive to sudden spikes
and drops in the AC line voltage. Changes in the line voltage from lightning,
power outages, etc. can sometimes damage electronic equipment.
To minimize the chance of damage to your equipment from sudden changes
in the AC line voltage, you may want to plug your equipment into a power
source that has surge and spike protection. Power outlet strips are available
with built‑in surge protection circuits that may help protect your equipment.
Other options for protection of your equipment include the use of an AC
line conditioner or a battery backup system (sometimes referred to as an
uninterruptible power supply, or UPS).
Power Supplies
Your Aviom product uses a DC power supply that has a two‑prong power
cord. The prongs on the power supply are identical, meaning that there is
no need to orient the plug in a specific direction in the power outlet. Some
products with two‑prong power cords have polarized plugs that can only be
inserted into an electrical outlet one way.
The power supply that is shipped with your Aviom product is a universal
switching type. It is capable of working with voltages from 90 to 240 volts AC.
This means that a separate power supply is not needed to use the products
with the AC power systems found in most countries. You should always use
the power supply that shipped with your product. When travelling, you may
need plug adapters to use the power supply with the AC outlet plug shape
variations in use throughout the world.
Should you need to replace the power supply that came with your product,
we recommend using only a power supply that meets the following
specifications.
Type: Switching
Input Voltage: 90‑240 volts 50/60Hz 30VA
Output: 24Vdc 0.5A
Polarity Outer = negative; Inner = positive
Plug Size 2 mm