CISCO 6921 IP PHONES-with power adapter

Power Specifications

• AC Adapter (Included): Uses the CP-PWR-CUBE-3 power adapter. Input is 100-240 VAC, 50-60 Hz, 0.5 A .
• Power over Ethernet: Supports IEEE 802.3af Class 2 PoE. The phone draws 48 VDC, 0.2 A when powered via the network cable .

Key Phone Features

• Two Lines: Supports two directory numbers with a single call per line appearance .
• Display: Features a 396 x 81 pixel monochrome, anti-glare LCD with white backlighting .
• Audio: Includes a full-duplex speakerphone and a dedicated RJ9 headset port .
• Call Handling: Fixed keys for Hold, Transfer, and Conference for common call operations .
• Ethernet Switch: Built-in 10/100BASE-T switch allows a PC to share the same network connection, reducing cabling needs .
• Energy Efficiency: Supports Deep-Sleep mode, which can cut power consumption by up to 50% during off-hours .

Physical Specs

• Dimensions: 7.3 x 5.8 x 7.1 inches (H x W x D) .
• Weight: 2.2 lb (1.0 kg) .
• Operating Temperature: 23° to 113°F (-5° to 45°C) .