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2.6 Symbol Power Injector System
The access point can receive power either directly form a Symbol 48V AC-DC power supply
or via an Ethernet cable connected to the LAN port (using the 802.3af standard).
When users purchase a Symbol WLAN solution, they often need to place access points in obscure
locations. In the past, a dedicated power source was required for each access point in addition to the
Ethernet infrastructure. This often required an electrical contractor to install power drops at each
access point location. An approved power injector solution merges power and Ethernet into one
cable, reducing the burden of installation and allows optimal access point placement in respect to
the intended radio coverage area.
The Symbol Power Injector is included in certain AP-5131 and AP-5181 kits. The Symbol Power
Injector (Part No. AP-PSBIAS-1P2-AFR) is an integrated AC-DC converter and 802.3af power injector
which requires 110-220V AC power to combine low-voltage DC with Ethernet data in a single cable
connecting to the access point. The access point can only use a Power Injector when connected to
the LAN port.
The Symbol AP-5131 and AP-5181 Power Supply (Part Numbers 50-24000-050 and
AP-PSBIAS-5181-01R respectively) are not included in the kit and must be orderable separately as
an accessory.
CAUTION The access point supports any standards-based 802.3af compliant
!
A separate power injector is required for each access point comprising the network.
2.6.1 Installing the Power Injector
Refer to the following sections for information on planning, installing, and validating the power
injector installation:
•
Preparing for Site Installation
•
Cabling the Power Injector
•
Power Injector LED Indicators
power source (including non-Symbol power sources). However, using
the wrong solution (including a POE system used on a legacy Symbol
access point) could severely damage the access point and void the
product warranty.
2-9
Hardware Installation
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