Can C9300-48U-E be stacked?

Yes. C9300-48U-E joins a StackWise-480 stack of up to eight Catalyst 9300 switches with a single management plane. StackPower cabling shares power headroom between members. The default 50 cm StackWise cable and 30 cm StackPower cable ship on the order unless C9300-STACK-NONE and C9300-SPWR-NONE are selected.

Does C9300-48U-E support BGP?

No. Network Essentials on C9300-48U-E covers Layer 2, routed access, 802.1X and MACsec-128, with RIP, EIGRP stub and OSPF up to 1,000 routes. BGP, VXLAN and MACsec-256 need Network Advantage, which is a separate license purchase and needs no hardware change.

Does C9300-48U-E keep PoE running during a reload?

Yes, with Perpetual PoE. It holds power to the powered devices through a soft reload such as an upgrade, a crash or a manual reboot, and across a stack. It does not cover power loss. Fast PoE restores power in under 30 seconds from stored power and requires the perpetual-poe-ha setting on the port.

What happens when a 90W Type 4 device connects to a UPOE port on C9300-48U-E?

The device is demoted to Type 3 operation, because the port is an 802.3bt Type 3 source with 60W at the port. A Class 6 device then receives 51W after cable loss. Per the Catalyst 9300 datasheet, 90W delivery requires a UPOE+ port, which this switch does not have.

Is ThousandEyes bundled with a C9300-DNA-E-48-5Y Essentials term for C9300-48U-E?

No. TE-EMBEDDED-T, the ThousandEyes Network and Application Synthetics license, is included only with 3-, 5- or 7-year Advantage subscriptions on the Catalyst 9300. An Essentials term for C9300-48U-E does not carry it, and the license term cannot be added to the switch order.

How large is the packet buffer on C9300-48U-E?

C9300-48U-E has a 16 MB packet buffer. Per the Catalyst 9300 datasheet, 16 MB applies to the 24-port and 48-port Gigabit models of the standard Catalyst 9300 group, and the buffer is fixed in hardware, so a license change never alters it.

Which power supplies besides PWR-C1-1100WAC-P fit C9300-48U-E, and what redundancy applies?

Catalyst 9300 chassis take 350W AC, 715W AC, 715W DC, 1100W AC and 1900W AC supplies. Each switch holds two supplies in an N+1 arrangement. All are Platinum-rated at 90% efficiency except the DC unit, which is Gold-rated. Per the Cisco datasheet, the supply PIDs end in -P for the Platinum AC models.

How is the 480 Gbps StackWise-480 bandwidth of C9300-48U-E built?

StackWise-480 uses 6 rings of 40 Gbps each, which add up to the 480 Gbps stack bandwidth. A stack holds up to 8 members. Every member must run the same license tier, so Network Essentials and Network Advantage switches cannot share a stack. Per the Catalyst 9300 datasheet, plan the ring cabling with that limit in mind.

Can C9300-48U-E sit in a stack with Catalyst 9300X switches?

Yes. A mixed stack of C9300-48U-E and Catalyst 9300X members runs StackWise-480 at 480 Gbps. All members must run the same IOS XE release and the same license tier, and a stack holds up to 8 members. Per the Catalyst 9300 datasheet, StackWise-1T applies only to 9300X-only stacks.

C9300-48U-E – 48x1G UPOE Ports – Modular Uplink – 822W PoE Budget – Network Essentials

Name: C9300-48U-E - Cisco 48-Port UPOE Network Essentials Switch
Brand: Cisco
SKU: C9300-48U-E
Price: 2178.18 USD
Availability: InStock
Rating: 5 (9 reviews)

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Model: C9300-48U-E

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Rated 5 out of 5 based on 9 customer ratings

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C9300-48U-E Description

The C9300-48U-E is a Cisco Catalyst 9300 Series stackable access switch for wiring closets that power phones, access points and desk endpoints over Cisco UPOE. The switch has 48 10/100/1000 UPOE ports, a modular uplink slot, an 822W default PoE budget and 256 Gbps of switching capacity. The -E suffix carries Network Essentials, which covers Layer 2 and routed access with OSPF up to 1,000 routes but not BGP, VXLAN or MPLS.

Quick Specs

Parameter	Specification
Product ID	C9300-48U-E
Product type	Stackable access switch with modular uplinks
Downlink ports	48 x 10/100/1000 Mbps Cisco UPOE copper ports
Default power supply	PWR-C1-1100WAC-P 1100W AC
Powered-port class	Cisco UPOE 60W class for supported 48-port UPOE models
Uplink architecture	Modular uplink slot for Cisco Catalyst 9300 network modules
Network license	Network Essentials
Default PoE budget	822W
Expanded PoE budget	1800W with supported secondary power supply configuration
Stacking architecture	StackWise-480 with StackPower support
Minimum software release	Cisco IOS XE Everest 16.5.1a
Switching and forwarding	256 Gbps standalone switching; 190.48 Mpps standalone forwarding

Product Performance

UPOE Access Density

Default Available PoE

Standalone Switching Capacity

Key Features

48 Cisco UPOE Ports

Every one of the 48 gigabit copper ports can deliver Cisco UPOE at up to 60W, so thin clients, displays and high-draw access points connect without a separate power injector.

822W Default PoE Budget

The default 1100W supply leaves 822W for PoE, which fully powers about 13 ports at 60W. A second supply raises the budget to 1800W for a closet that fills more of the ports.

Uplink Module Chosen Per Closet

The uplink slot takes field-replaceable C9300 network modules such as C9300-NM-8X, which adds eight 10G/1G SFP+ ports. Uplink speed can change later by swapping the module rather than the switch.

Network Essentials Licensing

The -E suffix includes Layer 2, routed access, 802.1X and MACsec-128. An upgrade to Network Advantage is a separate license purchase rather than a hardware change.

StackWise-480 Stacking

Up to eight Catalyst 9300 switches join one StackWise-480 stack with 480 Gbps of stack bandwidth and a single management plane.

StackPower Between Members

StackPower cables let stack members share power headroom, so one member’s spare supply capacity can back up the PoE load of another.

Application Scenarios

Campus Floor Closet

In a campus floor closet, the switch powers IP phones, cameras and access points from its 48 UPOE ports and carries their traffic to the distribution layer through the uplink module.

Stack Expansion In An Existing Closet

A closet already running Catalyst 9300 switches on StackWise-480 can add the switch as another stack member, with StackPower cabling to share power across the stack.

Routed Access At Essentials Scale

At a branch or school site that routes between VLANs at the access layer, the switch runs RIP, EIGRP stub and OSPF within the 1,000-route Network Essentials limit.

Product Comparison

Parameter	C9300-48U-E	C9300-48U-A	C9300-48P-E	C9300-48H-E
Downlink ports	48 x 10/100/1000 Mbps	48 x 10/100/1000 Mbps	48 x 10/100/1000 Mbps	48 x 10/100/1000 Mbps
PoE type	Cisco UPOE	Cisco UPOE	PoE+	Cisco UPOE+
Default AC power supply	PWR-C1-1100WAC-P	PWR-C1-1100WAC-P	PWR-C1-715WAC-P	PWR-C1-1100WAC-P
Available PoE power (default supply)	822W	822W	437W	822W
Maximum PoE power (second supply)	1800W	1800W	1440W	2880W
Network license	Network Essentials	Network Advantage	Network Essentials	Network Essentials
Switching capacity	256 Gbps	256 Gbps	256 Gbps	256 Gbps
Minimum software release	Cisco IOS XE Everest 16.5.1a	Cisco IOS XE Everest 16.5.1a	Cisco IOS XE Everest 16.5.1a	Cisco IOS XE Amsterdam 17.2.1

C9300-48U-E differs from C9300-48U-A only in network license: both carry 48 Cisco UPOE ports and an 822W default PoE budget, but this model runs Network Essentials, which limits OSPF to 1,000 routes and omits VXLAN, Cisco TrustSec and MACsec-256. A closet that needs those on day one should order C9300-48U-A, while an installed C9300-48U-E can move to Advantage later with a C9300-48-E-A-3, -5 or -7 license, which cannot be placed on the switch order. A site that powers only PoE+ devices can use C9300-48P-E, which defaults to 437W on a PWR-C1-715WAC-P supply. Endpoints that need UPOE+ instead of UPOE require C9300-48H-E, which reaches 2880W expanded and starts at Cisco IOS XE Amsterdam 17.2.1.

PoE Power Planning

Planning Item	Cisco Confirmed Value	Order Impact
Default PoE budget	C9300-48U-E is listed with 822W available PoE	Compare powered endpoint count and draw against the installed power supply plan
UPOE class	Catalyst 9300 UPOE power planning covers Cisco UPOE 60W per port for supported UPOE models	Verify whether endpoints need UPOE instead of PoE+ or UPOE+
48-port UPOE full-power supply set	Cisco lists two PWR-C1-1100WAC or PWR-C1-1100WAC-P supplies for 48-port UPOE power planning	Add the correct supply set when many endpoints need high-power UPOE
StackPower design	C9300 switches support StackPower cables for redundant or power-sharing stack power	Include StackPower cables only when the access stack design uses shared power

Ordering Checklist

Subscription tier: Select an Essentials term such as C9300-DNA-E-48-5Y manually. The configurator defaults to Advantage with a 5-year term, which does not match a Network Essentials switch.
Uplink module: Keep the default C9300-NM-8X, pick another C9300-NM module, or select C9300-NM-NONE. The uplink slot must hold a module or a blank; C9300X-NM modules do not fit a C9300 chassis.
Second power supply: A second PWR-C1-1100WAC-P is selected by default and C9300-SPS-NONE removes it. Removing it leaves one supply, so there is no power redundancy and no added PoE headroom.
Stack cables: The default 50 cm StackWise cable (C9300-STACK-NONE removes it) and 30 cm StackPower cable (C9300-SPWR-NONE removes it) ship on the order. A stack that needs longer or no cables must change these lines, or the cables ship anyway.
Power cords: Select the cord type for the destination country. The configurator defaults to North America, and two cords ship with the switch.

Optional Add-ons

Model	Description
C9300-NM-4G	Cisco Catalyst 9300 4 x 1GE SFP network module
C9300-NM-8X	Cisco Catalyst 9300 8 x 10GE SFP+ network module
C9300-NM-2Q	Cisco Catalyst 9300 2 x 40GE QSFP+ network module
C9300-NM-2Y	Cisco Catalyst 9300 2 x 25G/10G/1G SFP28 network module
C9300-NM-4M	Cisco Catalyst 9300 4 x 10G/mGig copper network module
NM-BLANK-T1=	Cisco Catalyst Type 1 network module blank spare
STACK-T1-50CM	50CM type 1 stacking cable
STACK-T1-1M	1M type 1 stacking cable
STACK-T1-3M	3M type 1 stacking cable
CAB-SPWR-30CM	Cisco StackPower 0.3-meter cable
CAB-SPWR-150CM	Cisco StackPower 1.5-meter cable
C9300-DNX-E-48-3Y	C9300 Cisco Catalyst Essentials 48-port 1G copper 3-year term license
C9300-DNX-E-48-5Y	C9300 Cisco Catalyst Essentials 48-port 1G copper 5-year term license
C9300-DNX-E-48-7Y	C9300 Cisco Catalyst Essentials 48-port 1G copper 7-year term license

C9300-48U-E Switch Rear Panel

The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.

1	Ground connectors	7	StackPower connectors
2	USB3.0–SSD port	8	AC OK (input) status LED
3	BEACON LED	9	PS OK (output) status LED
4	CONSOLE (RJ-45 console port)	10	StackWise-480 port connectors
5	MGMT (RJ-45 10/100/1000 management port)	11	Power supply modules
6	Fan modules	–	–

Rear Panel of a Cisco Catalyst 9300 Series Switch

Components Delivered in the Shipping Box

The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.

1	Cisco Catalyst 9300 Series switch with optional network module¹ (power supply and fan modules not shown)	9	Eight number-8 Phillips flat-head screws
2	AC power cord	10	Cable guide
3	Product documentation and compliance document	11	M4.0 x 20mm Phillips pan-head screw
4	Four rubber mounting feet	12	(Optional) RJ-45 console cable
5	Ground lug screw and ring terminal	13	(Optional) USB console cable
6	Two 19-inch mounting brackets	14	(Optional) StackWise-480/1T cable (0.5-meter, 1-meter, or 3-meter)
7	Four number-12 pan-head screws	15	(Optional) StackPower cable (0.3-meter or 1.5-meter)
8	Four number-10 pan-head screws	16	(Optional) StackWise-320 cable

Specifications

Parameter	Specification	Parameter	Specification
Product ID	C9300-48U-E	Product type	Stackable access switch with modular uplinks
Network license	Network Essentials	Downlink ports	48 x 10/100/1000 Cisco UPOE copper ports
Uplink architecture	Optional field-replaceable C9300 network module	Network module selection	C9300-NM-8X default selection or another C9300-NM option
Supported network modules	C9300-NM-4G, C9300-NM-8X, C9300-NM-2Q, C9300-NM-2Y, C9300-NM-4M	Default PoE budget	822W for C9300-48U-E
48-port UPOE power supply planning	Two PWR-C1-1100WAC or PWR-C1-1100WAC-P supplies for 60W UPOE power planning	Power supply architecture	One or two internal power supply modules
Fan modules	3 field-replaceable FAN-T2 modules	Stacking architecture	StackWise-480
StackPower	Supported with CAB-SPWR-30CM or CAB-SPWR-150CM cables	Minimum software release	Cisco IOS XE Everest 16.5.1a
Switching capacity	256 Gbps standalone	Switching capacity with stacking	736 Gbps
Forwarding rate	190.48 Mpps standalone	Forwarding rate with stacking	547.62 Mpps
Dimensions	1.73 x 17.5 x 19.2 in. (4.4 x 44.5 x 48.8 cm)	Weight	7.72 kg (17.03 lb)
Power cord selection	Regional power cable must be selected in the order configuration

Quality Certifications

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Production-ready from the first boot.

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Questions & Answers

Can C9300-48U-E be stacked?
Yes. C9300-48U-E joins a StackWise-480 stack of up to eight Catalyst 9300 switches with a single management plane. StackPower cabling shares power headroom between members. The default 50 cm StackWise cable and 30 cm StackPower cable ship on the order unless C9300-STACK-NONE and C9300-SPWR-NONE are selected.
Does C9300-48U-E support BGP?
No. Network Essentials on C9300-48U-E covers Layer 2, routed access, 802.1X and MACsec-128, with RIP, EIGRP stub and OSPF up to 1,000 routes. BGP, VXLAN and MACsec-256 need Network Advantage, which is a separate license purchase and needs no hardware change.
Does C9300-48U-E keep PoE running during a reload?
Yes, with Perpetual PoE. It holds power to the powered devices through a soft reload such as an upgrade, a crash or a manual reboot, and across a stack. It does not cover power loss. Fast PoE restores power in under 30 seconds from stored power and requires the perpetual-poe-ha setting on the port.
What happens when a 90W Type 4 device connects to a UPOE port on C9300-48U-E?
The device is demoted to Type 3 operation, because the port is an 802.3bt Type 3 source with 60W at the port. A Class 6 device then receives 51W after cable loss. Per the Catalyst 9300 datasheet, 90W delivery requires a UPOE+ port, which this switch does not have.
Is ThousandEyes bundled with a C9300-DNA-E-48-5Y Essentials term for C9300-48U-E?
No. TE-EMBEDDED-T, the ThousandEyes Network and Application Synthetics license, is included only with 3-, 5- or 7-year Advantage subscriptions on the Catalyst 9300. An Essentials term for C9300-48U-E does not carry it, and the license term cannot be added to the switch order.
How large is the packet buffer on C9300-48U-E?
C9300-48U-E has a 16 MB packet buffer. Per the Catalyst 9300 datasheet, 16 MB applies to the 24-port and 48-port Gigabit models of the standard Catalyst 9300 group, and the buffer is fixed in hardware, so a license change never alters it.
Which power supplies besides PWR-C1-1100WAC-P fit C9300-48U-E, and what redundancy applies?
Catalyst 9300 chassis take 350W AC, 715W AC, 715W DC, 1100W AC and 1900W AC supplies. Each switch holds two supplies in an N+1 arrangement. All are Platinum-rated at 90% efficiency except the DC unit, which is Gold-rated. Per the Cisco datasheet, the supply PIDs end in -P for the Platinum AC models.
How is the 480 Gbps StackWise-480 bandwidth of C9300-48U-E built?
StackWise-480 uses 6 rings of 40 Gbps each, which add up to the 480 Gbps stack bandwidth. A stack holds up to 8 members. Every member must run the same license tier, so Network Essentials and Network Advantage switches cannot share a stack. Per the Catalyst 9300 datasheet, plan the ring cabling with that limit in mind.
Can C9300-48U-E sit in a stack with Catalyst 9300X switches?
Yes. A mixed stack of C9300-48U-E and Catalyst 9300X members runs StackWise-480 at 480 Gbps. All members must run the same IOS XE release and the same license tier, and a stack holds up to 8 members. Per the Catalyst 9300 datasheet, StackWise-1T applies only to 9300X-only stacks.

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C9300-48U-E – 48x1G UPOE Ports – Modular Uplink – 822W PoE Budget – Network Essentials

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C9300-48U-E Description

Quick Specs

Product Performance

Key Features

Application Scenarios

Product Comparison

PoE Power Planning

Ordering Checklist

Optional Add-ons

C9300-48U-E Switch Rear Panel

Components Delivered in the Shipping Box

Specifications

Quality Certifications

Customer Reviews

Questions & Answers

Can C9300-48U-E be stacked?

Does C9300-48U-E support BGP?

Does C9300-48U-E keep PoE running during a reload?

What happens when a 90W Type 4 device connects to a UPOE port on C9300-48U-E?

Is ThousandEyes bundled with a C9300-DNA-E-48-5Y Essentials term for C9300-48U-E?

How large is the packet buffer on C9300-48U-E?

Which power supplies besides PWR-C1-1100WAC-P fit C9300-48U-E, and what redundancy applies?

How is the 480 Gbps StackWise-480 bandwidth of C9300-48U-E built?

Can C9300-48U-E sit in a stack with Catalyst 9300X switches?

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