Sercomm P208 User Manual
User Guide
P208
CBRS Outdoor Small Cell
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User Guide
Copyright © 2017 SerComm Corporation. All Rights Reserved. SerComm Corporation reserves the right
to make changes to this document without notice. SerComm Corporation makes no warranty,
representation or guarantee regarding the suitability of its products for any particular purpose.
SerComm Corporation assumes no liability arising out of the application or use of any product or circuit.
SerComm Corporation specifically disclaims any and all liability, including without limitation
consequential or incidental damages; neither does it convey any license under its patent rights, nor the
rights of others.
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IMPORTANT SAFETY AND INSTALLATION WARNINGS
WARNING: DO NOT ATTEMPT TO SERVICE THIS PRODUCT
YOURSELF
AS OPENING OR REMOVING COVERS MAY EXPOSE YOU TO
DANGEROUS VOLTAGES OR OTHER HAZARDS. REFER ALL
SERVICING TO QUALIFIED SERVICE PERSONNEL.
MOUNTING:
Mount this device only as described in the installation instructions, otherwise
it may fall causing serious personal injury and/or damage the device. Use
only with the brackets supplied with the device. Do not use attachments not
recommended for this device as they may cause hazards.
SERVICING:
Remove power from this device and refer servicing to qualified personnel
under the following conditions:
1. If the inside of the device has been exposed to rain or water.
2. If the device does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the
operating instructions as an improper adjustment of the controls may
result in damage and will often require extensive work by a qualified
technician to restore the device to its normal operation.
3. If the device has been dropped or the chassis has been damaged.
4. If the device exhibits a distinct change in performance.
REPLACEMENT PARTS:
When replacement parts are required, be sure the service technician has
used replacement parts specified by the manufacturer or have the same
characteristics as the original part. Unauthorized substitutions may result in
f ire, electric shock or other hazards.
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1 Product Overview
1.1 Introduction
This manual is written to help service personnel understand and install the
Sercomm P208 (P208-TP or P208-OP) Citizen Broadband Radio Service
(CBRS) outdoor Small Cell. This first section gives a full product description
and a block diagram. The remaining sections provide component
identification diagrams, installation instructions, and specifications.
1.2 General Description
This Small Cell is a PoE++ power device that receives power around 30W
from a PoE power source equipment through all four fairs of Ethernet. The
device operates at CBRS band or LTE band 48. Its operating frequency
range is from 3550MHz to 3700MHz. The device supports 2x2 MIMO and
has 6W EIRP. The antennae of device is embedded. The backhaul of the
Small Cell is Ethernet.
The device can be managed or monitored by Bluetooth or a HeMS server .
1.3 Housing
A rugged die cast aluminum on the bottom of the housing is designed. The
device has wireless antennae and aluminum or metal will block wireless
transceiver. Externally, the housing base has installation mounts, a
ventilation valve, a connector, a grounding bolt:
• A weather-tight RJ45 jack for connection from a PoE source equipment
device to provide power and backhaul to the Small Cell.
• A waterproof, dustproof ventilation valve. Its purpose is to prevent invasive
moisture, dust and other chemical crystals from entering electronics,
electrical equipment and applies the characteristic of the highly
microporous PTFE membrane to expel pressure generated by moisture
and excess heat, to avoid too large internal pressure aggregation to
damage seal housing and internal electronic components, thereby extend
the life of equipment.
The valve is setup completed before shipping. Don’t have to do anything in
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installation for that.
• A ground bolt is to connect ground with a ground cable.
Ventilation valve
Ground bolt RJ45 Jack
1.4 Major Components
Internally, the housing bottom harbors the PCBA of the Small Cell including
bluetooth. The housing top harbors the LTE omni operating CBRS antennae
and network listening band 41 antenna.
Seal Ring
Bottom box
Shielding
Main board
Ethernet with PoE
Bluetooth
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