Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 35

Chapter 1 Product Overview
Table 1-5 Catalyst 6504-E Switch Features (continued)
Feature
Clock and VTT module
Fan tray
Power supplies
OL-5781-08
Description
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:
FAN-MOD-4HS—300 CFM
–
The fan tray contains eight 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.
–
Supports one or two power supplies. The following power supplies are
•
supported:
PWR-2700-AC/4 (2700 W AC-input power supply).
–
PWR-2700-DC/4 (2700 W DC-input power supply).
–
Installed power supplies can be both AC-input, both DC-input, or one
•
AC-input and one DC-input. Power supplies can be configured in either
redundant or combined mode.
All Catalyst 6500 series AC-input power supplies require single-phase
•
source AC. Source AC can be out of phase between multiple power
supplies or multiple AC-power plugs on the same power supply because
all AC power supply inputs are isolated.
• Single power supplies are installed in the lower power supply bay. The
second power supply is installed in the upper power supply bay.
For proper operation of the power supply OUTPUT FAIL LED,
Note
systems with single power supplies must be configured with a
minimum of one fan tray and one supervisor engine. Systems with
dual power supplies must have a minimum configuration of one fan
tray, one supervisor engine, and one additional module. Failure to
meet these minimum configuration requirements can cause a false
power supply output fail signal.
Catalyst 6500 Series Switches Installation Guide
Catalyst 6504-E Switch
1-15