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5. Site Evaluation and Pre-Installation
5.1 Pre-Installation Requirements
5.1.1 Effective Capacitance
The effective capacitance of each output of the LPS04 is 2.7 microfarads maximum between the output connections
to the telecommunications network and 0.5 microfarads between each output connection to the telecommunica-
tions network and earth ground.
•
At the time of installation, carry out a system assessment to ensure that the effective capacitance of the total
system, including the capacitance of the LPS04 system, does not exceed 11 µF (Line to Earth) and 40µF (Line to
Line).
5.1.2 RFT-V Circuits
•
At the time of installation, ensure that the voltage rating of the wiring of the telecommunication network is ad-
equate for the normal RFT circuit voltage (+/-200Vdc), together with superimposed transients.
•
Ensure that the circuits to be connected together are all RFT-V circuits.
5.1.3 Primary Protection
The LPS04 has built-in second level surge protection in compliance with the GR-1089 requirement. Primary protec-
tion must be in place at the customer site.
The LPS04 includes secondary surge protection. External primary surge protection devices are necessary to opti-
mally protect the RFT-V circuits from lightning surge and maintain safety certification to UL/CSA 60950-21.
Each channel (pair) must be properly protected by the upstream system using a 5-pin protector to a level corre-
sponding to a Bourns 2410 Series. For example: 2410-33-G-MSP-S provides the part in a red color. This protector
should be UL 497 listed and rated for 300-400 Volts voltage breakdown range.
5.1.4 Installation Locations
Allowable installation locations for the LPS04 include the following: outdoors, direct sunlight, and inside or outside a
cabinet.
5.2 Packing Materials
Alpha is committed to providing products and services that meet our customers’ needs and expectations in a sus-
tainable manner, while complying with all relevant regulatory requirements. As such Alpha strives to follow our quality
and environmental objectives from product supply and development through to the packaging for our products.
Packaging assemblies and methods are tested to International Safe Transit Association standards.
Rectifiers and batteries are shipped on individual pallets and are packaged according to the manufacturer’s guide-
lines.
Almost all of Alpha’s packaging material is from sustainable resources and or is recyclable.
5.2.1 Returns for Service
Save the original shipping container. If the product needs to be returned for service, it should be packaged in its
original shipping container. If the original container is unavailable, make sure that the product is packed with at least
three inches of shock-absorbing material to prevent shipping damage.
Alpha Technologies is not responsible for damage caused by improper packaging of returned products.
WARNING!
Do not submerge the LPS04 under water.
