C9300-48P-A – 48x1G PoE+ Ports – Modular Uplink – 437W PoE Budget

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Cisco C9300-48P-A Compatible Accessories, Modules & Spare Parts

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C9300-48P-A Description

The C9300-48P-A is a Cisco Catalyst 9300 Series stackable access switch with 48 10/100/1000 Mbps PoE+ ports, modular uplinks, and Network Advantage entitlement built into the hardware. It runs the default PWR-C1-715WAC-P supply for a 437W PoE budget, StackWise-480 stacking at up to 480 Gbps per stack, and Cisco StackPower support for shared redundancy across stack members. The Network Advantage tier on this PID unlocks advanced routing scale, network segmentation (VXLAN, LISP, Cisco TrustSec, MPLS), automation interfaces such as NETCONF and RESTCONF, and MACsec-256, making it the campus access switch for wiring closets that need both full PoE+ endpoint power and Layer 3 or segmentation features beyond a Layer 2-only access role.

Quick Specs

Parameter

Specification

Product ID

C9300-48P-A

Port Count

48x 10/100/1000 Mbps copper

PoE Support

Cisco PoE+

Default PoE Budget

437W (with PWR-C1-715WAC-P)

Extended PoE Budget

Up to 1440W with a second 1100W or 1900W supply installed

Uplinks

Modular uplink network module slot

Network License

Network Advantage

Stacking

StackWise-480, up to 8 members

StackPower

Supported (up to 4-member ring, 8 with XPS-2200)

Default Power Supply

PWR-C1-715WAC-P (715W AC)

Power Redundancy

Dual power supply slots, second supply optional

Fan Modules

3x field-replaceable, N+1 redundant

Minimum Software Release

Cisco IOS XE Release 16.5.1a

Product Performance

Switching Bandwidth
Forwarding Rate
Stacked Switching Bandwidth (StackWise-480, 8 Members)

Key Features

Full PoE+ Access Density

The 437W default PoE budget on the 715W supply is enough to power a full 48-port closet of PoE+ access points, cameras, and desk phones without ordering a second power supply for a typical deployment.

Advantage-Tier Segmentation and Automation

Network Advantage on this PID enables VRF, VXLAN, LISP, and Cisco TrustSec segmentation plus NETCONF/RESTCONF/YANG automation, which matters for access switches that must participate in software-defined segmentation rather than plain Layer 2 forwarding.

StackWise-480 Topology Headroom

Up to 8 units stack into a single 480 Gbps logical switch, letting a wiring closet grow port count without adding separate management points or uplink pairs.

Modular Uplink Flexibility

The modular uplink slot accepts field-replaceable network modules such as the C9300-NM-8X, so uplink speed can move from 1G/10G toward 25G later without replacing the switch chassis.

StackPower Redundancy Sharing

StackPower lets stacked C9300-48P-A units share power across the ring, which can offset a PoE+ closet’s peak load without dedicating a second internal supply to every member.

MACsec-256 Link Encryption

Network Advantage raises link encryption from MACsec-128 to MACsec-256, relevant where the access switch uplink or downlink must meet a higher encryption-strength policy than Essentials supports.

Application Scenarios

Segmented Campus Access Closet

Deployed as the access layer in a wiring closet where VRF or VXLAN-based segmentation separates voice, IoT, and data VLANs across departments, using the Network Advantage entitlement built into this PID.

PoE+ Endpoint Aggregation

Positioned to power a full floor of PoE+ access points, IP phones, and PoE cameras from the 437W default budget while forwarding traffic upstream through the modular uplink slot.

Automated Campus Fabric Node

Used as a stack member in an SD-Access or NETCONF/RESTCONF-managed campus fabric, where the Advantage-tier automation interfaces and MACsec-256 link encryption are part of the design requirement.

Product Comparison

Parameter

C9300-48P-A

C9300-48T-A

C9300-48H-A

Port count

48x 1G copper

48x 1G copper

48x 1G copper

PoE support

PoE+

Data only, no PoE

Cisco UPOE+

Default power supply

PWR-C1-715WAC-P (715W AC)

PWR-C1-350WAC-P (350W AC)

PWR-C1-1100WAC-P (1100W AC)

Default PoE budget

437W

Not applicable

822W

Uplinks

Modular uplink

Modular uplink

Modular uplink

Network license

Network Advantage

Network Advantage

Network Advantage

Stacking

StackWise-480

StackWise-480

StackWise-480

Switching bandwidth

256 Gbps

256 Gbps

256 Gbps

  • C9300-48P-A and C9300-48T-A sit on the same 48-port modular-uplink chassis, but C9300-48T-A ships with the smaller 350W supply and carries no PoE capability at all, so it only fits a deployment with zero PoE endpoints on that closet; any PoE+ requirement moves the order back to C9300-48P-A.
  • Against C9300-48H-A, the tradeoff is PoE headroom versus cost and default power draw: C9300-48H-A’s 1100W default supply provides an 822W Cisco UPOE+ budget for higher-wattage endpoints such as PTZ cameras or Wi-Fi 6E access points, while C9300-48P-A’s 437W PoE+ budget covers standard access points, desk phones, and PoE+ cameras at a lower default power supply cost.
  • All three PIDs share the same 256 Gbps switching bandwidth and StackWise-480 stacking, so the decision between them is driven entirely by port power requirements, not switching or stacking capacity.
  • Ordering priority for this comparison set: confirm whether any port on the closet needs PoE at all (if not, C9300-48T-A is the fit), then confirm whether standard PoE+ (30W-class) or Cisco UPOE+ (60W/90W-class) endpoints are planned before choosing between C9300-48P-A and C9300-48H-A.

Selection Guide

1. Segmentation and Automation Set the Advantage Floor

C9300-48P-A carries Network Advantage, which adds VXLAN/LISP/TrustSec segmentation, full automation (NETCONF/RESTCONF/YANG), and MACsec-256 over the C9300-48P-E’s Network Essentials; a closet doing pure Layer 2 access switching without segmentation or automation requirements can move to the -E variant and lower the license cost on identical hardware.

2. 437W PoE+ Ceiling Points to the UPOE+ Alternative

The 437W default PoE+ budget on this PID covers standard access points and IP phones, but a deployment planning Cisco UPOE or UPOE+ class endpoints (60W-90W per port) needs to move up to C9300-48H-A or C9300-24H-A instead, since C9300-48P-A’s port-level PoE+ output is not rated for that draw even with a larger secondary supply.

3. Second Supply Only for Budget Expansion, Not Redundancy Alone

Adding a second PWR-C1-1100WAC-P or PWR-C1-1900WAC-P supply raises the available PoE budget toward 1440W, so a design that needs more than 437W of PoE headroom should plan for the second supply slot at order time rather than assuming the default 715W supply alone will scale.

4. Subscription Tier Must Match Network Advantage

Because this PID’s Network Stack license is Network Advantage, the paired Cisco Catalyst or Cisco DNA software subscription ordered alongside it must also be Advantage tier on new purchase; ordering an Essentials-tier subscription against this hardware is only valid at renewal, not on a first order.

PoE Power Planning

Planning Item

Value or Check

Default PoE budget

437W with the default PWR-C1-715WAC-P supply

Extended PoE budget

Up to 1440W with a second 1100W or 1900W supply installed, subject to port-count limits

PoE standard supported

Cisco PoE+ (IEEE 802.3at class)

Power supply slots

2 internal slots; unused slot needs a blank module for airflow

Device count check

Confirm total connected PD wattage against the 437W default budget before adding endpoints

Stacking power note

StackPower can share power across stack members but does not replace confirming per-unit PoE budget

Ordering Checklist

Check Item

What to Confirm

Why It Matters

Network license match

Confirm the Cisco Catalyst or Cisco DNA subscription ordered is Advantage tier on a new purchase.

An Essentials-tier subscription paired with this Advantage hardware PID is only valid at renewal, not new order.

Second power supply

Confirm whether a second PWR-C1-1100WAC-P or PWR-C1-1900WAC-P is needed before the PoE load exceeds 437W.

Ordering without the second supply leaves no path to expand PoE budget without a later add-order.

Network module slot

Confirm whether a C9300-NM-8X or other module is needed at order time, or order C9300-NM-BLANK for the empty slot.

An empty uplink slot without a blank module affects airflow and is flagged during install.

Smart Account binding

Confirm the target Smart Account and Virtual Account before the order is placed.

Catalyst 9300 SKUs are Smart SKUs; a license tied to the wrong account can stall activation.

Stacking cable length

Confirm StackWise cable length (0.5m/1m/3m) matches the physical rack layout if stacking multiple units.

The wrong cable length can leave stack members unable to physically reach each other in the rack.

Optional Add-ons

Model

Description

C9300-NM-4G / C9300-NM-4M / C9300-NM-8X / C9300-NM-2Q / C9300-NM-2Y

Field-installable Catalyst 9300 uplink network modules confirmed for the C9300-48P modular uplink bay.

PWR-C1-1100WAC-P

Cisco-confirmed second AC power supply option for the C9300-48P power bay, the documented upgrade path from the default PWR-C1-715WAC-P for extended PoE headroom.

STACK-T1-50CM / STACK-T1-1M / STACK-T1-3M

StackWise-480 data stacking cables (0.5 m / 1 m / 3 m) for stacking additional C9300-48P or other C9300 units.

FAN-T2=

Field-replaceable fan module spare for the standard three-fan N+1 redundant fan tray.

C9300-48P-A 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

cisco-catalyst-9300-switch-shipping-box

Specifications

Parameter Specification Parameter Specification
Product ID C9300-48P-A Network License Network Advantage
Port Count 48x 10/100/1000 Mbps copper PoE Support Cisco PoE+
Default PoE Budget 437W (PWR-C1-715WAC-P) Maximum PoE Budget With Secondary Supply Up to 1440W with second 1100W/1900W supply
Uplinks Modular uplink network module slot Stacking StackWise-480, up to 8 members, 480 Gbps/stack
StackPower Supported, up to 4-member ring (8 with XPS-2200) Switching Bandwidth 256 Gbps standalone / 736 Gbps stacked
Forwarding Rate 190.48 Mpps standalone / 547.62 Mpps stacked MAC Address Table 32,000 entries
IPv4 Routes 32,000 (24,000 connected + 8,000 indirect) IPv6 Routes 16,000 entries
Multicast Routes 8,000 entries QoS / ACL Entries 5,120 QoS / 5,120 ACL entries
VLAN IDs 4094 SVIs 1000
Jumbo Frame Support 9198 bytes DRAM / Flash 8 GB DRAM / 16 GB Flash
Default Power Supply PWR-C1-715WAC-P, 715W AC, 2440 BTU/hr output Power Redundancy 2 internal supply slots, dual redundant supported
Fan Modules 3x field-replaceable, N+1 redundant (FAN-T2=) Peak Power Draw (100% PoE, 115VAC) 563.2W with no module / 568.8W with C9300-NM-8X
Chassis Dimensions (Default Supply) 1.73 x 17.5 x 17.7 in Unit Weight (Default Supply) 16.73 lb (7.59 kg)
MTBF 277,770 hours Minimum Software Release Cisco IOS XE Release 16.5.1a
Operating Temperature -5C to 45C (up to 1500m) Storage Temperature -40C to 70C
Operating Humidity 5%-90% non-condensing Operating / Storage Altitude 10,000 ft / 15,000 ft
Acoustic Noise (24 PoE+ ports loaded) 45 dB typical / 48 dB max LpA Management Interfaces RJ-45 Ethernet mgmt, RJ-45 console, USB mini-Type B console
Connector Types RJ-45 (1000BASE-T), LC (SFP/SFP+) Standards Supported IEEE 802.1x, 802.3af/at, 802.1Q, 802.3az; RMON I/II; SNMPv1/v2c/v3
Safety Certifications UL 60950-1, CAN/CSA-C22.2 No. 60950-1, IEC 60950-1, AS/NZS 60950.1 EMC Certifications FCC Part 15, EN 55032/CISPR 32 Class A, EN 55035, ICES-003 Class A
Environmental Compliance RoHS 5 Warranty Cisco Enhanced Limited Lifetime Warranty (E-LLW)

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    Quality vendor with consistent execution. That’s what we look for.

    Michelle Cox
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    4.0

    Received in two business days. Our timeline stayed on track.

    Indiana Jones
    Posted on 15/07/2025
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    5.0

    It belongs in a rack! And it got here safely.

    James Bond
    Posted on 22/05/2025
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    Service was impeccable. Delivered with speed.

Questions & Answers

  • What is Cisco C9300-48P-A designed for?

    Cisco C9300-48P-A is designed for 48-port Gigabit PoE+ access closets that need modular uplinks, StackWise-480, StackPower, and Network Advantage licensing. It is a strong fit when the same switch must support many powered endpoints plus richer Layer 3 and policy features.
  • How is C9300-48P-A different from C9300-48P-E?

    C9300-48P-A includes Network Advantage by default, while C9300-48P-E includes Network Essentials. Choose the A SKU when the 48-port PoE+ closet needs broader Layer 3, segmentation, or policy features.
  • How is C9300-48P-A different from C9300-48T-A?

    C9300-48P-A provides PoE+ on 48 copper access ports, while C9300-48T-A is data-only. Choose C9300-48P-A when endpoints need power from the switch.
  • Can C9300-48P-A power all connected endpoints?

    C9300-48P-A can power PoE+ endpoints within its available PoE budget, but the actual endpoint count depends on device wattage and power supply configuration. High-density PoE designs should calculate power instead of assuming every port can draw maximum power.
  • What uplink modules can C9300-48P-A use?

    C9300-48P-A supports modular Catalyst 9300 uplink modules, allowing different uplink speeds and media types. This is useful when a 48-port PoE access closet needs 10G or faster uplinks.
  • Can C9300-48P-A be part of a StackPower design?

    Yes. C9300-48P-A supports StackPower, which can help provide power resiliency across a stack. For PoE-heavy closets, power sharing and redundancy mode should be planned before installation.
  • When should I choose C9300-48U-A instead of C9300-48P-A?

    Choose C9300-48U-A when connected devices need UPOE rather than standard PoE+. C9300-48P-A is better when standard PoE+ is enough and the priority is a 48-port Network Advantage access switch.
  • When is C9300-48P-A more than the site needs?

    C9300-48P-A may be more than the site needs if the closet only requires Network Essentials or 24 PoE+ ports. C9300-48P-E or C9300-24P-A can be a better match depending on software tier and port count.

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