Lucent Technologies P550 - Manual (Page 38)

Overview of the P220 Gigabit Switch Family
2-2 Cajun P550/P220 Switch Operation Guide
The P220FE switch has the following features:
❒ 24 10/100Base-TX ports
❒ One Gigabit Ethernet port
❒ Optional Expansion modules:
• Four 10/100Base-TX ports (autosensing)
• Two 100Base-FX ports
• One 1000Base-SX
• One 1000Base-LX
• One 1000Base-SLX
Switch Features
This section describes the following switch features:
❒ Crossbar Switch Fabric
❒ Virtual Bridging Functions
❒ VLAN Functions
❒ Hunt Groups
❒ OpenTrunk Technology
❒ Spanning Tree
❒ Buffer and Queue Management
❒ Web-Based Management
Crossbar Switch Fabric
The crossbar switch matrix provides low latency, high throughput packet switching using
a crossbar architecture (Figure 2-1).