Cisco 5520 Troubleshooting Guide

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Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide
Overview of Cisco 5520 Wireless Controller
Rear Panel LEDs, Definitions of States
Table 1 lists the Cisco 5520 Wireless Controller Rear Panel LEDs, Definitions of States.
5 Redundancy Port (RP)
6 VGA Connector—Rear panel has a standard VGA port using a female D-Sub-15
Connector
7 ID Switch and LED
1 10 G
2Pwr OK
3 Port-n Link Status
4 Port-n Link Activity
5 Two 1/10 G SFP/SFP+ Ports
Table 1 Cisco 5520 Wireless Controller Rear Panel LEDs, Definitions of States
LED Name Function State
Pwr OK —
Amber On—Power is good
10 G — Amber On—10 G mode
Amber Off—1 G mode
Port-n Link Status — Green On—Link is up

Cisco 5520 Specifications

General

Maximum Access Points	1500
Maximum Clients	20000
Form Factor	1RU
Product Series	Cisco 5500 Series
Memory	32 GB
Flash Memory	8 GB
Operating Temperature	32°F to 104°F (0°C to 40°C)
Storage Temperature	-4°F to 149°F (-20°C to 65°C)
Model	Cisco 5520
Ports	8 x 1GE
Redundancy	N+1
Management	CLI
Wireless Standard	802.11ac
Humidity	10% to 95% non-condensing