Installation guide

BlackDiamond 20808 Switch Hardware Installation Guide
13
1 About the BlackDiamond 20808 Switch
This chapter includes the following sections:
● Overview of the BlackDiamond 20808 Switch on page 13
● BlackDiamond 20808 Chassis on page 13
For information about the I/O modules, management modules (MMs), and switch fabric modules
(XFMs) for the BlackDiamond 20808 switch, see Chapter 2, “BlackDiamond 20808 Switch Modules.”.
For information about installing the BlackDiamond 20808 switch, see Chapter 3, “Installing the
BlackDiamond 20808 Chassis.”.
Overview of the BlackDiamond 20808 Switch
The BlackDiamond switches are chassis-based, Ethernet service core switches designed for core
applications. For more information about configuring a BlackDiamond switch, see the ExtremeXOS 12.0
Concepts Guide and the ExtremeXOS 12.0 Command Reference Guide.
The features of these switches include:
● I/O modules that are hot-swappable and include Gigabit Ethernet fiber ports (SFP), or 10-Gigabit
Ethernet ports (XFP)
● Up to 64 line-rate 10- Gigabit Ethernet ports in one chassis
● Redundant management modules that provide the CPU control subsystem
● Redundant switch fabric modules that provide the active switching fabric
● Redundant, load-sharing, hot-swappable power supplies
● Redundant field-replaceable, hot-swappable fan trays
● Auto-negotiation for half-duplex or full-duplex operation on 10/100/1000 Mbps ports
● Load sharing on multiple ports
● 120 Gbps switch fabric capacity per I/O module
BlackDiamond 20808 Chassis
The BlackDiamond 20808 switch chassis has the following physical features:
● Height of 14.5 RU, allowing three switches to be installed in a 7-foot rack
● Optional mid-mount brackets for flexibility in rack positioning
● Ten vertical module slots in the front:
■ Two dedicated management module slots, labeled A and B
■ Eight I/O module slots, labeled 1 through 8
● Five horizontal chassis slots in the back for switch fabric modules