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User’s Manual for

CyberShield

CSN27U12V

CyberShield UPSs are designed to provide a local power solution for 

cable telephony, wireless local loop (WLL), and fiber to the home

(FTTH) broadband equipment. 

IMPORTANT SAFETY WARNINGS 

(SAVE THESE INSTRUCTIONS)

This manual contains important instructions regarding the installation and operation of this device.  
Read this manual thoroughly before attempting to unpack , install or operate this device 

CAUTION!

  The battery can energize hazardous live parts inside even when the AC input power is 

 

   disconnected.

CAUTION! 

 To prevent the risk of fire or electric shock, install in a temperature and humidity 

 

   controlled indoor area, free of conductive contaminants. (Please see specifications for 

 

   acceptable temperature and humidity range).

CAUTION!

  To reduce the risk of electric shock, do not remove the cover, except to service the 

 

   battery. No user serviceable parts inside, except for the battery.

CAUTION!

  To avoid electric shock, turn off the unit and unplug it from the AC power source before 

 

   servicing the battery or installing a computer component.

CAUTION!  

When replacing batteries, the replacement should have the same rating as follows, 

                   Listed/Certified Valve Regulated Lead Acid Battery, 12V, max. 9Ah. 

CAUTION!  

Risk of Energy Hazard, 12V, max.9 Ampere-hour battery. Before replacing batteries, 

                   remove conductive jewelry such as chains, wrist watches, and rings. High energy through 
                   conductive materials could cause severe burns.

CAUTION!  

Do not dispose of batteries in a fire. The batteries may explode.

CAUTION!  

Do not open or mutilate batteries. Released material is harmful to the skin and eyes. 

                   It may be toxic.

ENCLOSURE INSTALLATION 

Carefully follow these instructions during installation of this device:
1.) Carry out the installation in a safe area that is free of excessive dust and has adequate airflow. 
2.) Screws must be appropriate for total weight of the UPS and the mounting surface material.  
3.) Do not operate the UPS where the temperature and humidity are outside the specified limits. 
     (Refer to specification in this manual.)

BATTERY REPLACEMENT

This battery is hot-swappable. As long as utility power is on, you may leave the UPS and connected 
equipment on while replacing a new battery.

Once the battery is disconnected, the connected equipment is not protected from power 
outages.

Deliver spent batteries to a recycling facility or ship to the manufacturer in the 
replacement battery packing material.

WARNING INDICATOR

OPERATION

Connect equipment and power:
Step1. Plug the UPS power cord into the utility power cord inlet.
Step2. Plug the UPS power cord into the wall outlet.

The UPS battery charges when it is connected to utility power. The battery charges
fully during the first 

24 hours

 of normal operation. Do not expect full battery run

capability during this initial charge period.

BATTERY EMERGENCY USE / COLD START (-BC1 OPTION)

ALARM SILENCE

Indicator    Color    Condition

Step 1: 

a. Remove the battery cover.

Step 2: 

a. Slide battery off of the

    shelf.

b. Disconnect battery cable

    connector at chassis end.

Step 3: 

a. Use the enclosed installation template to

    mark an installation location for the unit.

b. Mount the unit on the wall with 2 mounting

    screws into the keyhole slots.

c. Tighten the screws to secure the units.

d. Connect the battery connector and replace

    the battery back.

Step 1: 

a. Remove the battery cover.

Step 2: 

a. Disconnect battery cable connector

    to remove battery.

b. Replace with new battery and

    re-connect the battery connector.

Step 3: 

a. Make sure battery is fixed properly 

    in the compartment and close 

    the battery cover.

The audible alarm will be enabled when the unit is operating from battery or battery power is low. 
Press the button for 3 seconds to disable or enable the audible alarm. 
The unit will beep once confirming that audible alarms have been disabled. Press this button a 
second time to enable audible alarms. The unit will beep twice confirming that audible alarms have 
been enabled.

The cold start feature is for applying power to the UPS and connected equipment when the UPS is 
off and there is no utility power. Before using the cold start feature, please make sure the battery is 
charged. To start the cold start feature, press the cold start button on the upper left corner of the unit.

The Battery Emergency Use feature allows emergency reserve time available in the battery to be 

utilized for 911 or emergency calls, providing additional talk time depending on use and conditions.

DC

REPLACE

BATTERY

Note: please always mount the unit on the wall when it is working.

SYSTEM 

STATUS

MUTE

Green

Green

Orange

Red

CSN27U12V

CSN27U12V

Indicates normal mode of operation.

Indicates the battery is supplying the power. At 45% battery capacity, 

the LED will flash and then alarm will beep 4 times per minute.

Press and hold the button “Alarm Silence” for 0.5 second to silence 

the audible alarm for 24 hours, and the LED will flash.

Battery replacement required. Alarm will beep once every 15 minutes. 

The LED also illuminates when battery is absent.

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