Cisco Catalyst 9300 Series Hardware Installation Guide

Network Module LEDs
Network Module Link StatusColor
Link is off.Off
Link is on; no activity.Green
Activity on a link; no faults.
The LED will blink green even when there is very little control traffic.
Note
Blinking green
Link is off due to a fault or because it has exceeded a limit set in the switch software.
Link faults occur when noncompliant cabling is connected to an
SFP/SFP+/SFP28 port. Use only standard-compliant cabling to connect to
Cisco SFP/SFP+/SFP28 ports. You must remove from the network any cable
or device that causes a link fault.
Caution
Blinking amber
Link for the SFP/SFP+/SFP28 has been disabled.Amber
Rear Panel
The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules,
and power supply modules.
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
21
Product Overview
Network Module LEDs

Cisco Catalyst 9300 Series Specifications

General

Operating System	Cisco IOS XE
Model	Cisco Catalyst 9300 Series
Uplink Interfaces	10G, 25G, 40G
Downlink Interfaces	1G
Stacking Bandwidth	480 Gbps
Power Supply	Redundant power supplies
PoE	UPOE
Port Density	Up to 48 ports
Power over Ethernet (PoE)	UPOE, UPOE+
Security Features	MACsec
Management	Cisco DNA Center, CLI, SNMP
Redundancy	Stacking, redundant power supplies, hot-swappable fans