Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 30

Catalyst 6503-E Switch
Table 1-3 Catalyst 6503-E Switch Features (continued)
Feature
Backplane bandwidth
Clock and VTT module
Fan tray
Power Entry Module (PEM)
Catalyst 6500 Series Switches Installation Guide
1-10
Description
32 GBps shared bus.
•
720 GBps switch fabric.
•
One replaceable clock module (CLK-7600=) provides clocking signals
•
to the EOBC channel and the switching bus.
Nonreplaceable voltage termination (VTT) module provides reference
•
voltage for bus signals.
The chassis supports one hot-swappable fan tray. One fan tray model is
•
available:
WS-C6503-E-FAN—282 CFM
–
The fan tray contains four individual fans. The individual fans are
Note
not field replaceable; you must replace the fan tray in the event of a
fan failure.
Fan tray STATUS LED
•
Red—One or more individual fans have failed.
–
Green—Fan tray is operating normally.
–
1
• A PEM is required for each installed power supply.
– PEM-15A-AC (PEM for 950 W AC-input power supplies).
PEM-DC/3 (PEM for 950 W DC-input power supplies).
–
PEM-20A-AC+ (PEM for 1400 W AC-input power supplies).
–
Chapter 1 Product Overview
OL-5781-08