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Buying Guide

How To Read Cisco Catalyst Part Numbers Without Guessing

The part number encodes port count power type uplink module and software tier. Reading it correctly prevents most quotation errors.

The Structure

A Catalyst part number generally reads as series then port count then power designation then software tier. C9300-48P-E for example is a 9300 series 48 port PoE plus switch on the Network Essentials tier. Reading each segment separately is faster than searching for the whole string.

Port Count and Power

The number after the series is the access port count. The letter that follows describes power. T means data only P means PoE plus U means UPOE. Getting this wrong is the single most common cause of a switch arriving that cannot power the access points it was bought for.

Software Tier

The trailing letter separates the software tier. E is Network Essentials and A is Network Advantage. The tier is not a physical difference so it cannot be corrected by swapping hardware later without a licence purchase. Confirm it at quotation.

Uplink Modules Are Separate

Uplink modules are ordered as their own part numbers on most Catalyst platforms. A switch quoted without an uplink module will arrive without uplinks. This is normal vendor practice and not an omission by the supplier but it must be caught at bill of materials review.

Practical Checklist

Confirm series port count power type software tier uplink module and power supply count as six separate decisions. A quotation that does not state all six is incomplete.

Want This Checked Against Your Own List

Send the bill of materials on WhatsApp and we will apply these checks before you commit to a purchase order

Related Products

Products Covered in This Guide

C9300-24P-A Cisco Switch Catalyst 9300

Cisco Switch Catalyst 9300

C9300-24P-A

The Cisco® Catalyst® 9300 Series Switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobili

C9300-24P-E Cisco Switch Catalyst 9300

Cisco Switch Catalyst 9300

C9300-24P-E

The Cisco® Catalyst® 9300 Series Switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobili

C9300-24S-A Cisco Switch Catalyst 9300

Cisco Switch Catalyst 9300

C9300-24S-A

The Cisco Catalyst 9300 Series switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobility

C9300-24S-E Cisco Switch Catalyst 9300

Cisco Switch Catalyst 9300

C9300-24S-E

The Cisco Catalyst 9300 Series switches are Cisco’s lead stackable enterprise switching platform built for security, IoT, mobility

FAQ

Questions About This Guide

Can You Check My List Against This Guide

Yes. Send the bill of materials and we will apply exactly these checks and report what we find before you commit to anything.

Does This Apply to All Vendors

The principles do. Where a specific vendor behaves differently we state which vendor the point applies to.

Where Can I Get the Vendor Datasheet

Current datasheets are issued with quotations against the revision in force. Ask on WhatsApp and we will send the relevant one.

Do You Sell the Products Discussed Here

Yes. The related products below are drawn from the categories this guide covers and all are quoted with availability and lead time confirmed.

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