Front Panel Description

Port Mode LED

The port mode LED indicates the STAT (port status), UTL (bandwidth utilization), and ID (unit identification) modes.

Note Port 16 (the uplink port) uses the port 16x LED.

STAT Mode

In port status mode, port LEDs show individual port status (see Table 1-5).

Table 1-5

Port Status LED Description

 

 

 

Color

 

Port Status

 

 

 

Off

 

No link (link down).

 

 

 

Green

 

Link operational (with no activity).

 

 

 

Flashing green

 

Link operational (with activity).

 

 

Rapidly alternating green/amber

Faulty link1.

Alternating green/amber

FastHub reset in progress.

 

 

 

1.This indication remains until the link fault is corrected. Possible causes are autopartition, jabber, and isolated (carrier integrity error). Note that this state should not be confused with the “no link status” (link down) indication where the link is not operational.

1-6FastHub 116T Installation Guide

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Cisco Systems 116T manual Port Status LED Description, Color Port Status