
Chapter 1 Product Overview
Supervisor Engines
1-16
Catalyst 4500 Series Installation Guide
78-14409-03 B0
• Reset Button, page 1-17
• Flash Port, page 1-18
LEDs
Table 1-4 describes the supervisor engine LEDs.
Gigabit Ethernet Uplink Ports
The Gigabit Ethernet uplink ports operate in full-duplex mode only. GBICs have
SC connectors to interface with multimode fiber (MMF) and single-mode fiber
(SMF) cable. For more information about GBICs, refer to the Catalyst 4000
Family Module Installation Guide.
Table 1-4 Supervisor Engine LEDs
LED Color/State Description
STATUS Indicates the results of a series of self-tests:
Green All diagnostic tests passed.
Red A test failed.
Orange System boot or diagnostic test is in progress.
Off Module is disabled.
UTILIZATION Green 1–100% If the switch is operational, this display indicates the current
traffic load over the backplane (as an approximate percentage).
LINK Indicates the status of the 10/100BASE-T port or uplink ports:
Green The link is operational.
Orange The link is disabled by user.
Flashing orange The power-on self-test indicates a faulty port.
Off No signal is detected or there is a link configuration failure.
ACTIVE Indicates whether the uplink port is active or not:
Green The port is active.
Off The port is not active.
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