Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

 

T640 Connector Interface Panel (CIP) LEDs

 

Two small LEDs on the left edge of the ETHERNET port indicate activity and the speed of the connection in use. Table 1 describes the functions of the LEDs.

Note

For routers with RE-C1800 Routing Engines, see the release notes for your router regarding more information about the LED behavior for the ETHERNET port.

Table 1: CIP LEDs

LED

Color

State

Description

ACT 0 and ACT 1

Green

On steadliy

Traffic is passing through the port.

--

Off

No traffic is passing through the port.

GRN = 100M

YEL= 10M

Green

On steadily

100-Mbps connection

Yellow

On steadily

10-Mbps connection

Note: When RE-C1800 Routing Engines are installed, the yellow LED indicates a 100-Mbps connection.

--

Off

Control board is offline.