SG300-28P - Cisco Small Business 300 Series Managed Switches

Mfr. Part #: SG300-28P
Brand: Cisco
Condition: Refurbished
  • Warranty: 90-day return/replacement

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SG300-28P

SG300-28P - Cisco Small Business 300 Series Managed Switches
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Sam Gov

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Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
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SG300-28P Overview

26 10/100/1000 ports (24 PoE ports with 180W power budget), 2 combo mini-GBIC ports SG300-28P

Overview

Cisco 300 series switch delivers the ideal combination of price, performance, and capabilities in a solution designed specifically for small businesses. This broad portfolio of affordable managed switch provides a powerful foundation to support your business network.

Quick Specs

Figure 1 shows the appearance of SG300-28P.

 SG300-28P

Jumbo Frame Support:

10 KB

Routing Protocol:

Static IPv4 routing

Minimum Storage Temperature:

-4 F

Depth:

10.1 inches

MTBF:

187,335 hour(s)

Cables Included:

1x Serial Cable

Capacity:

4K Active VLANs

Height:

1.7inches

Maximum Operating Temperature:

104 F

MAC Address Table Size:

16k entries

Width:

17.3 inches

Enclosure Type:

Desktop, rack-mountable - 1U

Maxiumum Storage Temperature:

158 F

Ports:

26 x 10/100/1000 + 2 x combo Gigabit SFP

Device Type:

Switch - 28 ports - L3 - managed

Humidity Operating Range:

10-90% (non-condensing)

Minimum Operating Temperature:

32 F

Interfaces:

24 x 10Base-T/100Base-TX/1000Base-T - RJ-45 - PoE ¦ 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 1 x console - 9 pin D-Sub (DB-9) - management ¦ 2 x SFP (mini-GBIC)

Humidity Storage Range:

10-90% (non-condensing)

Flash Memory:

16 MB

Voltage Required:

AC 120/230 V ( 50/60 Hz )

Performance:

Switching capacity : 56 Gbps ¦ Forwarding performance (64-byte packet size) : 41.67 Mpps

Power Device:

Power supply - internal

Power Over Ethernet (PoE):

PoE

Status Indicators:

Link activity, port transmission speed, system

Ram:

128 MB

Authentication Method:

Secure Shell (SSH), RADIUS, TACACS+

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Specification

SG300-28P Specification

SG300-28P Specification

Jumbo Frame Support:

10 KB

Routing Protocol:

Static IPv4 routing

Minimum Storage Temperature:

-4 F

Depth:

10.1 inches

MTBF:

187,335 hour(s)

Cables Included:

1x Serial Cable

Capacity:

4K Active VLANs

Height:

1.7inches

Maximum Operating Temperature:

104 F

MAC Address Table Size:

16k entries

Width:

17.3 inches

Enclosure Type:

Desktop, rack-mountable - 1U

Maxiumum Storage Temperature:

158 F

Ports:

26 x 10/100/1000 + 2 x combo Gigabit SFP

Device Type:

Switch - 28 ports - L3 - managed

Humidity Operating Range:

10-90% (non-condensing)

Minimum Operating Temperature:

32 F

Interfaces:

24 x 10Base-T/100Base-TX/1000Base-T - RJ-45 - PoE ¦ 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 1 x console - 9 pin D-Sub (DB-9) - management ¦ 2 x SFP (mini-GBIC)

Humidity Storage Range:

10-90% (non-condensing)

Flash Memory:

16 MB

Voltage Required:

AC 120/230 V ( 50/60 Hz )

Performance:

Switching capacity : 56 Gbps ¦ Forwarding performance (64-byte packet size) : 41.67 Mpps

Power Device:

Power supply - internal

Power Over Ethernet (PoE):

PoE

Status Indicators:

Link activity, port transmission speed, system

Ram:

128 MB

Authentication Method:

Secure Shell (SSH), RADIUS, TACACS+

Frequently Asked Questions

How many devices can I power simultaneously using the SG300-28P PoE budget? +
The SG300-28P features a total Power over Ethernet budget of 180W. The number of devices you can power depends on the individual power draw of your endpoints, such as IP cameras, VoIP phones, or wireless access points. You can support up to 24 PoE-enabled devices, provided their cumulative power consumption remains within the 180W limit specified for this unit.
Does the SG300-28P support fiber uplinks for network expansion? +
Yes, this switch is equipped with 2 combo mini-GBIC (SFP) ports. These ports provide the flexibility to connect to fiber-optic cabling for high-speed uplinks to your core network or to bridge gaps between different building locations, ensuring your infrastructure can scale as your business requirements evolve over time.
What is the primary management interface for the Cisco SG300-28P? +
The SG300-28P is a managed switch that offers a user-friendly, browser-based configuration utility. This web interface simplifies the deployment of VLANs, Quality of Service (QoS), and security features. For network administrators who prefer granular control, it also supports Command Line Interface (CLI) access, SNMP, and RMON for advanced monitoring and remote management capabilities.
Is the SG300-28P suitable for a voice-over-IP deployment? +
Absolutely. This model is ideal for VoIP environments due to its dedicated QoS features. By prioritizing voice traffic over standard data, the switch ensures jitter-free communication. With 24 PoE ports, you can easily power your IP phones directly from the switch, eliminating the need for separate power injectors and simplifying your cabling infrastructure.
How does the SG300-28P handle port density and connectivity speed? +
This switch provides 24 Gigabit Ethernet PoE ports and two additional copper/SFP combo ports, totaling 26 ports for your network. Every port supports 10/100/1000 Mbps speeds, allowing for high-performance connectivity that meets the requirements of modern office applications and large file transfers without bottlenecking your internal network traffic.
Can I integrate the SG300-28P into an existing VLAN-based network? +
Yes, the SG300-28P fully supports 802.1Q VLANs, allowing you to segment your network into logical groups for enhanced security and traffic management. This functionality is essential for separating guest traffic, voice data, and internal corporate resources, ensuring that your network remains organized and secure as you scale your operations.
What kind of reliability features are built into this managed switch? +
The SG300-28P includes enterprise-grade reliability features, such as Link Aggregation Control Protocol (LACP) for link redundancy and Spanning Tree Protocol (STP) to prevent network loops. These mechanisms are critical for maintaining high uptime in busy environments where unexpected cable disconnects or configuration errors could otherwise disrupt your entire organizational network.
How does the PoE power budget affect port availability on the SG300-28P? +
While the switch provides 24 ports capable of delivering PoE, the total power draw is limited by the internal 180W supply. If you connect high-power devices, you may hit the budget limit before all 24 ports are utilized for PoE. Always calculate the maximum wattage of your planned devices to ensure the switch can accommodate your deployment needs.
How can I obtain a bulk quote for multiple SG300-28P switches? +
At BuyRouterSwitch.com, we specialize in supporting large-scale infrastructure deployments. If you are planning an upgrade and require a significant quantity of SG300-28P units, please contact our sales team directly through our website. We are prepared to provide competitive bulk pricing and tailored support to ensure your project stays within its designated procurement budget.
Why should I choose BuyRouterSwitch.com for my Cisco hardware procurement? +
BuyRouterSwitch.com is a dedicated partner for enterprise-level IT buyers who require authentic networking equipment. We ensure a streamlined and secure ordering process, providing fast access to hard-to-find Cisco switches. By choosing us, you receive professional service and reliable hardware procurement that meets the high-performance standards required for your company’s critical network infrastructure.

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