Front-Panel Leds - Cisco 1720 Hardware Installation Manual

Front-Panel LEDs

Table 1-3 Front-Panel LEDs
LED Label Color
PWR Green
OK Green
ETH
ACT Green
COL Yellow
Cisco 1700 Router Hardware Installation Guide
1-6
Use the router front-panel LEDs to determine network activity and status on the
Ethernet port and on the WAN interface card ports. The front-panel LEDs are
illustrated in Figure 1-4
Figure 1-4 Front-Panel LEDs
PWR
OK
Description
On means that DC power is being supplied to the router.
On means that the router has successfully booted up and the software is functional.
This LED blinks during the power-on self-test (POST).
Refer to Table 3-1
this LED for router diagnostics.
Blinks when there is network activity on the Ethernet port.
Blinks when there are packet collisions on the local Ethernet network.
and described in Table
WIC1
WIC0
ACT/CH0 ACT/CH0
ACT/CH1
ACT/CH1
in the "Troubleshooting"
Chapter 1 Cisco 1700 Router Overview
1-3.
ETH
ACT
COL
chapter for information on how to use
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