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Cisco 1600 Series Normal Status Lights

Cisco 1600 Series

Image = Typical Normal Status - Bolded Below = Likely Failures

Normal LED Indications (Front)

Light
Status
Description & Suggested Action (Likely Failures in Bold)
SYSTEM PWR Green (Solid) Power is being supplied to the Router.
SYSTEM OK Green (Solid) The Router is connected to your local Ethernet network through the ETHERNET 10 Base-T Port.
LAN ACT Green (Flashing) Blinking means that there is network traffic on your local Ethernet network.
Cisco 1600 Series

Normal LED Indications (Back)

Light
Status
Description & Suggested Action (Likely Failures in Bold)
LNK Green (Solid) When the LED is on, the Router is connected to your local Ethernet network through the ETHERNET 10 Base-T Port.
CARRIER Green (Solid) On means that the cable is correctly connected and the Router can communicate across the WAN.
ALARM LIT If CARRIER is green and ALARM is lit, you are getting either framed or unframed all ones, more than likely. This is either a problem with the carrier not cross connecting your circuit to something useful or equally likely, a problem with the TX pair going between you and the SmartJack. // Checking the SmartJack for a local alarm would tell you the difference.
LOOPBACK LIT Your circuit is in loopback. // You can typically clear this loopback by powercycling the equipment or hitting the loopback button on the WIC with an ink pen. (If you just reported an issue, your Carrier may be testing your circuit and you don't want to do this.)
FLASH PC CARD Green (Solid) On means that the Flash PC card is correctly installed.

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