INTRODUCTION
28xx CIP-D User Guide 5
Power options
• Power over LAN (IEEE Standard)
• AC Line Input
NOTE: The power for a 2826 Digital phone is
supplied from the tip and ring leads of the digital
port of the 20-20 switch.
Mechanical
• Size: 10.75” x 7.75” x 2.25”
• Weight: 2.2 lbs.
• Color: Black
Networking *
• Dual 10/100 Switch full/half-duplex
Ethernet ports
• 10/100 Base-T
• Auto Negotiation & Parallel Detection
• RJ-45, Category 5 per IEEE 802.3
Audio Codec Supported *
• G.711, G. 729AB
• Automatic Codec Negotiation
• Voice Activity Detection (VAD)
• Silence Suppression
Voice Transport *
• G.711, G.729AB
• Receive Jitter Buffer Provisioning
• Packetization Rate Provisioning
Quality of Service (QoS) *
• 802.1q
• 802.1p
• VLAN