Cisco Catalyst 9300 Series Hardware Installation Guide

Procedure
Step 1 Verify that the power supply is not connected to any power sources.
Step 2 Remove the plastic safety cover from the power supply terminal blocks.
If you are not replacing a DC power supply, go to Step 5.
Note
Step 3 Use a number-2 Phillips screwdriver to remove the DC-input power wires from the power terminals.
Step 4 Press the release latch at the right side of the power supply module inward, and pull the power supply out.
Step 5 Insert the power supply in the power-supply slot, and gently push it into the slot. When correctly installed,
the DC power supply (excluding the extraction handle) is flush with the switch rear panel.
Figure 55: Inserting a DC-Power Supply
Step 6 Connect the input power as described in Wiring the DC Input Power Source, on page 93.
Wiring the DC Input Power Source
Procedure
Step 1 Using a wire-stripping tool, strip the wires from the DC-input power source to the appropriate length for the
terminals.
Use copper conductors only. Statement 1025
Warning
Step 2 Using a Panduit crimping tool, crimp the fork-type terminals to the copper conductor, 90C, 12-AWG DC
power input wires.
Step 3 Connect the DC-input power terminals to the terminal blocks. Connect the ground wire to a grounded metal
rack or to earth ground if the switch is not in a grounded rack.
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
93
Installing a Power Supply
Wiring the DC Input Power Source

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