Installation guide

Overview 1-13
LEDs
RPS LED
The Redundant Power System (RPS) LED shows the RPS status. Table 1-4 lists the LED
colors and their meanings.
Table 1-4 RPS LED
Port Mode and Port Status LEDs
Catalyst 3500 XL switches have four LED modes, each providing different information
about a particular port or about the switch itself. The Mode button (shown in Figure 1-6 and
Figure 1-7) and the Mode label (shown in Figure 1-8) highlights each mode in sequence.
Color RPS Status
Off RPS is off or is not installed.
Green RPS is operational.
Blinking green The RPS and the switch AC power supply are both powered up. If the
switch power supply fails, the switch powers down and after 15 seconds
restarts, using power from the RPS. The switch goes through its normal
boot sequence when it restarts.
Note This is not a recommended configuration.
Amber RPS is connected but not functioning properly. One of the power supplies
in the RPS could be powered down, or a fan on the RPS could have failed.
Note If you are using an RPS with a revision level lower than Z3 with a
Catalyst 3508G or a Catalyst 3548 XL switch, the switch RPS LED might
display amber (normally indicating an RPS malfunction) even when the
RPS is functioning properly. The LEDs display correctly for RPS revision
level Z3 or later. The label on the bottom of the RPS shows the revision level.