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2-10
AP-51xx Access Point Product Reference Guide
• Symbol (AP-5181 recommended) Power Tap (Part No. AP-PSBIAS-5181-01R)
• Any standard 802.3af compliant device.
2.6 Symbol Power Injector and Power Tap Systems
An AP-5131 or AP-5181 access point can receive power via an Ethernet cable connected to the access
point's 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.
The Symbol Power Injector and Power Tap solutions merge power and Ethernet into one cable,
reducing the burden of installation and allow optimal access point placement in respect to the
intended radio coverage area.
Both the Symbol Power Injector and Power Tap are integrated AC-DC converters requiring 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 or Power Tap when connecting the unit to the
access point's LAN port. The Symbol Power Injector (Part No. AP-PSBIAS-1P2-AFR) is included in
certain AP-5131 kits. The AP-5181 Power Tap (Part No. AP-PSBIAS-5181-01R) is ordered separately
and is intended for AP-5181 outdoor deployments.
NOTE Though an AP-5181 can use the standard Power Injector solution (Part
CAUTION The access point supports any standards-based 802.3af compliant
!
A separate Power Injector or Power Tap is required for each access point comprising the network.
2.6.1 Installing the Power Injector or Power Tap
Refer to the following sections for information on planning, installing, and validating the installation:
No. AP-PSBIAS-1P2-AFR), Symbol recommends using the AP-5181 Power
Tap (Part No. AP-PSBIAS-5181-01R) designed especially for outdoor
deployments.
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.
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