FieldSmart
®
Fiber Active Cabinet (FAC) 400
Installation Manual
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Proprietary Information: Not for use or disclosure except by written agreement with Clearfield.
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Installing and Testing Batteries
The cabinet can house a single string of front-terminal VRLA batteries (four batteries per string). A cabinet can also be
equipped with an optional riser compartment to support a second battery string. See Supported Batteries for a list of sup-
ported battery types.
This topic provides instructions for the following tasks:
• Installing and testing a single string of 60Ah or 62Ah batteries
• Installing and testing two strings of 60Ah or 62Ah batteries (with optional second riser compartment)
WARNING!
Electrical hazard. Batteries contain a stored charge. Only a qualified technician should perform
this procedure.
CAUTION!
Electrical, chemical, fire, and heat hazard. Handle batteries with care to avoid personal injury or
damage to the equipment.
Unpack the batteries from the shipping packaging.
Remove the terminal caps from the top of each battery.
Clean and apply No-Ox anti-corrosion grease to each battery terminal.
Locate the bagged kit containing the string jumper straps and other materials. Set the kit aside for use during
installation.
Step 1:
Step 2:
Step 3:
Step 4:
To prepare batteries for installation
ALERT!
Read the battery manufacturer’s instructions before installing batteries. Follow the manufacturer
guidelines and local safety practices.
Note:
If the batteries are not fully charged, perform these procedures after charging the batteries.
WARNING!
In -48V telecom systems, red leads connect to the negative terminal and black leads connect to
the positive terminal. Do not reverse the wiring polarities.