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Catalyst 2950 Desktop Switch Software Configuration Guide
78-14982-01
Chapter 3 Getting Started with CMS
Front Panel View
Redundant Power System LED
The Redundant Power System (RPS) LED shows the RPS status (see Table 3-3). Certain switches in the
switch cluster use a specific RPS model:
• Cisco RPS 300 (model PWR300-AC-RPS-N1)—Catalyst 2900 LRE XL, Catalyst 2950,
Catalyst 3524-PWR XL, and Catalyst 3550 switches
• Cisco RPS 600 (model PWR600-AC-RPS)—Catalyst 2900 XL and Catalyst 3500 XL switches,
except the Catalyst 2900 LRE XL and Catalyst 3524-PWR XL switches
Refer to the appropriate switch hardware documentation for RPS descriptions specific for the switch.
Port Modes and LEDs
The port modes (see Table 3-4) determine the type of information displayed through the port LEDs.
When you change port modes, the meanings of the port LED colors (see Table 3-5) also change.
Note The bandwidth utilization mode (UTIL LED) does not appear on the front-panel images. Select
Reports > Bandwidth Graphs to display the total bandwidth in use by the switch. Refer to the switch
hardware installation guide for information about using the UTIL LED.
Table 3-2 Port Icon Colors for the CWDM GBIC Module Ports
Wavelength Color
1470 nanometers (nm) Gray
1490 nm Violet
1510 nm Blue
1530 nm Green
1550 nm Yellow
1570 nm Orange
1590 nm Red
1610 nm Brown
Table 3-3 RPS LED
Color RPS Status
Black (off) RPS is off or is not installed.
Green RPS is connected and operational.
Blinking green RPS is providing power to another switch in the stack.
Amber RPS is connected but not functioning.
The RPS could be in standby mode. To put the RPS in Active mode, press the Standby/Active button on the
RPS, and the LED should turn green. If it does not, one of these conditions could exist:
• One of the RPS power supplies could be down. Contact Cisco Systems.
• The RPS fan could have failed. Contact Cisco Systems.
Blinking amber Internal power supply of the switch is down, and redundancy is lost. The switch is operating on the RPS.