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Cisco Compatible Power Supply w/Power Lead for 8800-8900-9900 Series IP Phone (CP-PWR-CUBE-4) | New

Cisco Compatible Power Supply w/Power Lead for 8800-8900-9900 Series IP Phone (CP-PWR-CUBE-4) | New

SKU: CP-PWR-CUBE-4-P-GEN
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Overview

Overview of Cisco Compatible Power Supply w/Power Lead for 8800-8900-9900 Series IP Phone (CP-PWR-CUBE-4-P) | New Generic

  • Power Lead Included
  • 48V; 0.917A; 47-63Hz; 100-240V~0.8A
  • Required when not Cisco in-line power over ethernet
  • Compatible with Cisco 8800, 8900, 9900 Series phones


Compatible With

  • Cisco Unified IP Phone 8961 Slimline
  • Cisco Unified IP Phone 8961 Standard
  • Cisco Unified IP Phone 9951 Slimline
  • Cisco Unified IP Phone 9951 Standard
  • Cisco Unified IP Phone 9971 Slimline
  • Cisco Unified IP Phone 9971 Standard

Specifications

Specifications for Cisco Compatible Power Supply w/Power Lead for 8800-8900-9900 Series IP Phone (CP-PWR-CUBE-4-P) | New Generic

BrandCisco
Product Type Power adapter
Subcategory Power adapters and chargers
Frequency Required 47 - 63 Hz
Voltage Provided 48 V
Voltage Required AC 100-240 V


Frequently Asked Questions

Cisco Compatible Power Supply w/Power Lead for 8800-8900-9900 Series IP Phone (CP-PWR-CUBE-4) Frequently Asked Questions (FAQ's)



What Cisco IP phone models are compatible with the CP-PWR-CUBE-4 power supply?
  • It supports Cisco 8800, 8900, and 9900 Series IP Phones, including models like 8811, 8841, 8851, 8861, 8945, 9951, and 9971.
  • Does the CP-PWR-CUBE-4 come with a power cord?
  • Yes, it includes a standard AC power lead.
  • Is this power supply compatible with Cisco PoE-enabled phones?
  • Yes, it can be used as an alternative to PoE when a PoE switch is not available.
  • What is the input voltage range for the CP-PWR-CUBE-4?
  • It typically supports 100–240V AC input at 50–60Hz.
  • What is the output voltage and power rating?
  • The output is 48V DC at 0.38A, providing 18.5W of power.
  • Can I use this power supply internationally?
  • Yes, with the appropriate regional power cord, since it supports international voltage ranges.
  • Is this an official Cisco product or third-party compatible?
  • It may be a Cisco-branded or Cisco-compatible third-party model, depending on the vendor.
  • What connector type does this power supply use?
  • It uses a standard DC barrel connector for Cisco IP phones. /li>
  • Will this work with Cisco 7900 Series phones?
  • No, it is not compatible with 7900 Series models; those require different power cubes.
  • Can this be used with a Cisco ATA adapter or SPA series phones?
  • No, those devices require different power supplies.
  • Is this power cube hot-swappable?
  • No, you should power off the phone before connecting or disconnecting the adapter.
  • Can this power supply be wall-mounted?
  • It’s a desk-style cube and not intended for wall-mounting.
  • Can this power supply be used in VoIP lab setups?
  • Yes, it’s ideal for test labs or non-PoE environments.
  • Does this come in different colors?
  • No, it is typically only available in black.
  • How do I know if my phone needs an external power supply?
  • If not connected to a PoE switch or injector, a power cube is required.
  • Is this RoHS compliant?
  • Most models, especially Cisco originals, comply with RoHS standards.
  • Is it energy efficient or Energy Star certified?
  • Cisco original units are typically energy efficient but may not carry Energy Star certification.
  • Can I use this for multiple phones at once with a splitter?
  • No, it is designed to power one phone only.
  • What happens if I use a different power cube like CP-PWR-CUBE-3?
  • CP-PWR-CUBE-3 may not meet the power requirements of newer 8800 series phones—CP-PWR-CUBE-4 is recommended.
  • Is this power supply backward compatible with older Cisco power adapters?
  • No, it’s designed specifically for newer Cisco IP phone models in the 8800, 8900, and 9900 series.
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