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by Cisco
Product Line: Cisco 2520 Series
Product Type: Ethernet Switch
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Original price $0.00 - Original price $0.00
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Title: Surplus

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Product Description

The CGS-2520-16S-8PC is a 1RU high network switch featuring 16 Fast Ethernet SFP ports, 8 10/100BaseTX/PoE+ ports, and 2 dual-purpose Gigabit Ethernet uplinks. It supports a Layer 2 LAN Base Image, offers a forwarding bandwidth of 4.4 Gbps, and a switching bandwidth of 8.8 Gbps, with 256 MB DDR2 SDRAM and 1 GB of flash memory. Designed for durability, it operates between -40 °C to 75 °C, with a mean time between failures (MTBF) of 723,250 hours, and includes advanced features such as up to 8,000 configurable MAC addresses, 5,000 unicast route addresses, and 1,000 IGMP groups and multicast routes.

FAQs for the CGS-2520-16S-8PC

  • What is the forwarding bandwidth of this device?
    The forwarding bandwidth is 4.4 Gbps.
  • How many Fast Ethernet SFP Ports does the switch have?
    It has 16 Fast Ethernet SFP Ports.
  • What is the maximum operating temperature for the device?
    The maximum operating temperature is 75 °C.
  • What type of RAM is used in this device?
    The device uses 256 MB DDR2 SDRAM.
  • Can the MAC addresses be configured on this switch?
    Yes, up to 8,000 MAC addresses can be configured.
  • What are the dimensions of the device?
    Height: 4.45 cm, Width: 44.5 cm, Depth: 35.6 cm.
  • How many dual-purpose Gigabit Ethernet uplinks are available?
    There are 2 dual-purpose Gigabit Ethernet uplinks.
  • What is the MTBF (Mean Time Between Failures) for this device?
    The MTBF is 723,250 hours.
  • What is the range of operating relative humidity for the device?
    Operating relative humidity ranges from 5% (non-condensing) to 95% (non-condensing).
  • How many rack units (RU) does the device occupy?
    The device occupies 1 rack unit (1RU).

Product Review

The Cisco CGS-2520-16S-8PC offers a solid balance between Fast Ethernet SFP and PoE+ ports, accommodating diverse networking needs with 16 SFP ports for fiber connectivity and 8 PoE+ ports for powering devices directly through Ethernet cables. However, its forwarding and switching bandwidths at 4.4 Gbps and 8.8 Gbps respectively, may limit performance in high-demand environments, potentially making it less suitable for data-intensive applications. Additionally, the switch's operational temperature range and high MTBF indicate reliability in varied conditions, but the limited RAM and Flash memory could restrict advanced configurations and future software updates.


The Cisco CGS-2520-16S-8PC is a specialized networking hardware designed to meet the rigorous demands of industrial environments. This device is equipped with a variety of features tailored for flexibility, reliability, and performance. With its compact 1RU size, the CGS-2520-16S-8PC is highly suitable for space-constrained installations, measuring 4.45 cm in height, 44.5 cm in width, and 35.6 cm in depth. Despite its modest footprint, this switch offers a comprehensive set of functionalities for efficient data handling and connectivity. At the core of its design, the switch boasts 16 Fast Ethernet SFP ports, providing a wide range of connectivity options for different network topologies and media types. Additionally, it includes 8 10/100BaseTX/PoE+ ports, enabling the delivery of both power and data over a single Ethernet cable to PoE-enabled devices. This feature simplifies the network infrastructure by reducing the need for additional power supplies and cabling. For higher throughput and redundancy, there are 2 dual-purpose Gigabit Ethernet uplinks, enhancing the switch's ability to handle larger data volumes and providing backup pathways in case of link failure. The hardware specifications reveal a device built for performance and durability: - Forwarding bandwidth of 4.4 Gbps and a switching bandwidth of 8.8 Gbps ensure efficient data processing and transfer rates. - The inclusion of 256 MB DDR2 SDRAM and 1 GB of flash memory supports advanced network features and future firmware upgrades. - With a Mean Time Between Failures (MTBF) of 723,250 hours, this switch promises long-term reliability in challenging conditions. For network management and security, the CGS-2520-16S-8PC can handle up to 8,000 MAC addresses, 5,000 unicast routes, and 1,000 IGMP groups and multicast routes, allowing for scalable deployment in complex network environments. The device comes with a Layer 2 LAN Base Image, facilitating essential networking functionalities required for efficient operation. Environmental resilience is another key aspect of the CGS-2520-16S-8PC. It operates within a temperature range of -40 °C to 75 °C and can withstand relative humidity levels from 5% to 95% (non-condensing). This durability ensures consistent performance across a variety of harsh conditions, from industrial settings to outdoor installations. The switch's operation is not hindered by altitude, with a functional range from -60 to 3000 m, making it adaptable to a wide array of geographical locations. Key indicators and ports include: - Per-Port status LEDs and System-Status LEDs for real-time operational monitoring. - Alarm-In/Out status LEDs, Power Supply Unit LED, and indicators for PoE, SD Flash, RS232, and USB for comprehensive system checks and troubleshooting. Weighing 10 lbs without the power supply, and capable of being mounted in a standard rack unit (1RU), the Cisco CGS-2520-16S-8PC is designed for straightforward integration into existing network infrastructures, offering a blend of performance, reliability, and adaptability for industrial networking needs.


Model NumberCisco CGS-2520-16S-8PC
SFP Ports for Fast Ethernet16
Ports with 10/100BaseTX and PoE+ Support8
Gigabit Ethernet Uplinks with Dual Function2
Pre-Installed LAN Base Software for Layer 2Yes
Unit Weight Without Power Module10 lbs
Mean Time Between Failures723,250 Hours
Size Category1RU
Unit Height4.45 cm
Unit Width44.5 cm
Unit Depth35.6 cm
Data Forwarding Rate4.4 Gbps
Total Switching Capacity8.8 Gbps
Memory Type256 MB DDR2 SDRAM
Storage Capacity1 GB Flash
Maximum MAC Addresses8,000
Maximum Unicast Route Entries5,000
Maximum IGMP and Multicast Route Groups1,000
Diagnostic LEDsPer-Port and System Status, Alarm Input and Output, Power Supply, PoE, SD Card, RS232, USB
Lowest Operating Temperature-40 °C
Highest Operating Temperature75 °C
Operating Elevation Range-60 to 3000 m
Operational Minimum Humidity5% (Non-Condensing)
Operational Maximum Humidity95% (Non-Condensing)
Temperature Range for Storage-40 °C to 85 °C
Max Storage Altitude15,100 ft

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