Cisco Catalyst 9300 Series Hardware Installation Guide

Figure 56: DC Connection with Ground
Step 4 Torque all terminal block screws to 11 lbf-in.
Step 5 Replace the terminal block safety cover and turn on the power at the power source.
Step 6 Confirm that the power supply DC OK and PS OK LEDs are green.
Finding the Power Supply Module Serial Number
If you contact Cisco Technical Assistance regarding a power supply module, you need to know the serial
number. See the following illustrations to find the serial number. You can also use the CLI to find out the
serial number.
Figure 57: 1100-W AC Power Supply Serial Number
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
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Installing a Power Supply
Finding the Power Supply Module Serial Number

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