Indoor FTTx Series


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  • Input voltage range: 46 – 56 VDC
  • On battery output voltage: 52 VDC
  • Battery: 14.4Vdc / 2.2Ah Li
  • Intelligent control: Yes
  • Telemetry interface: Yes

Product Overview

Designed for interior use, the CPLI72D48V Indoor CyberShield™ FTTx System supplies continuous 48 VDC to local power network interface devices (NID), cable telephone modems, wireless base stations, fiber to the home (FTTH), optical network terminals (ONT), and integrated access devices. Features of the CPLI72D48V include high-function design, cold start functionality, audible alarm signals with silence options, microprocessor intelligent control, a telemetry interface, user-replaceable lithium-ion batteries, and LED indicators. It also comes with a three-year limited warranty.

  • Indoor Design
    Provides durable casing to protect the model, which can sit on a desktop and is wall-mountable.
  • Cold Start Functionality
    Restores emergency power to the load after the installation of new batteries.
  • Telemetry Interface
    Provides alarm conditions to the ONT: On Battery, Replace battery, Battery Missing, Low Battery.
  • Audible Alarms
    Signal conditions that may affect operation: On Battery and Low Battery.
  • Alarm Silence Button
    Silences the audible alarm during extended outages.
  • LED Status Indicators
    Provide information about the control and operation of the model related to AC, output, and battery.
  • User Replaceable Batteries
    Can be changed by a technician when needed without replacing the entire model.
  • Three-Year Limited Warranty
    Covers defects in materials and workmanship in the product under normal use and conditions within three years of the purchase date. See warranty for details.
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Input Voltage Range 46 – 56 Vdc
Nominal Voltage 54 Vdc
Output Voltage 52 Vdc
Rated Power 72 UL
Efficiency > 80%
Standby Power Consumption < 1.5W
Transfer Time < 1ms
Typical Backup Time 30 min. @ 40W Load
Battery Type 14.4Vdc/2.2Ah Lithium-ion
Number of Cells 4
Nominal Voltage Per Cell 3.6 Vdc
User Replaceable Yes
Typical Recharge Time 5 Hours
Battery Quantity 1
Warning Diagnostics
LED Indicators Status



Auto-Charge Yes
Communication Interface On Battery

Replace Battery

Missing Battery

Low Battery

Dimensions – L×W×D 16.5 × 9.6 × 4.7 cm
Weight 0.58 kg (with battery)
Operating Temperature 32 – 104°F (0 – 40°C)
Operating Humidity 0 – 95% Non-condensing within Enclosure
Max Operating Elevation 10,000 ft. (3,000 m)
Max Storage Elevation 50,000 ft. (15,000 m)
Storage Temperature 23 – 131°F (-5°C – 55°C)
Compliance UL60950-1 2nd Edition

FCC Part 15 Class B

Product Warranty 3 year
What does the Indoor FTTx Series provide?

The CyberShield Indoor design provides durable casing to protect an FTTx/Telecom unit.

Please contact our Tech Support department with installation, troubleshooting, or general product questions.
Hours of operation: Monday – Friday 7:00am – 6:00pm CST
Contact Tech Support: Submit Ticket Now

Our Technical Support team will be happy help you with technical questions during business hours.

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