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Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 1 Overview of the Router
Hardware Features
LED Indicators
Table 1-4 summarizes the LED indicators that are located in the router bezel or chassis, but not on the
interface cards. Not all models have every LED.
Tab l e 1-4 Summary of Cisco 1900 Series LED Indicators
LED Color Description Location
SYS Solid
green
Solid green indicates normal operation. Front panel
Blinking
green
System is booting or is in ROM monitor mode.
Amber System error.
Off Power is off or system board is faulty.
ACT Green Solid or blinking when any packets are transmitted or
received on any WAN or LAN, or when monitoring system
activity.
Front panel
PoE Green PoE is available. Front panel
Amber Power supply is not supplying PoE power.
WLAN
2.4GHz
(Wireless
Models)
Green On—Radio is connected, SSID1 is configured, signal is
being transmitted, and client is associated, but no data is
being received or being transmitted.
Slow blinking—Radio is connected, SSID is configured, and
beacons are being transmitted.
Fast blinking—Data is either being received or being
transmitted.
Off—Radio is shut down, and no SSID is configured.
Front panel
WLAN 5GHz
(Wireless
Models)
Green On—Radio is connected, SSID is configured, signal is being
transmitted, and client is associated, but no data is being
received or being transmitted.
Slow blinking—Radio is connected, SSID is configured, and
beacons are being transmitted.
Fast blinking—Data is either being received or being
transmitted.
Off—Radio is shut down, and no SSID is configured.
Front panel