FS S3900-48T4S 48 Port Switch Introduction

It is well known that cabling system in data center consists of multiple devices, such as fiber optic transceiver, fiber optic patch cable, network switch and etc. As a member of the whole cabling system, 48 port switch with high density cabling plays a critical role to satisfy different sizes of networking deployment. In order to help you better understand 48 port switch, in this article we will mainly focus on FS S3900-48T4S 48 port switch introduction and its connection with transceivers and cables.

FS S3900-48T4S 48 Port Switch Overview

As a part of S3900 series family, FS S3900-48T4S is a 48 10/100/1000Base-T RJ45 copper ports and 4 10G SFP+ ports Gigabit switch that is designed for SMB, enterprise, and campus networks. This fully managed switch with fixed 10G SFP+ ports for uplinks can satisfy the demand for now and future. In addition, FS S3900-48T4S 48 port switch comes with two separate supplies: single power and dual power versions which can be used as alternatives and selected in accordance with different occasion and situation. With 1 build-in cooling fan, plenty of vents are reserved for better cooling to maintain a stable and effective operating environment.

FS S3900-48T4S switch

FS S3900-48T4S 48 Port Switch Highlights

FS S3900-48T4S 48 port fully managed switch can be easily configured and monitored through a web-based graphical user interface and CLI command. It is excellent on hardware and software, which perfectly matches applications of small networks.

Key characteristics in other aspects of FS S3900-48T4S 48 port switch include:

  • Support up to 6 units physical stack
  • Gigabit wire-speed switching performance
  • Support robust multicast control with IGMP snooping and IGMP filtering/throttling
  • Featured high availability and reliability by supporting STP, RSTP, MSTP, and LACP
  • Superior management with command-line interface (Via Console/Telnet/SSH), web-based GUI, SNMP, and LLDP
  • Enhanced network security with RADIUS/TACACS+ authentication, DHCP Snooping, DoS Protection, etc

FS S3900-48T4S 48 Port Switch Connection With Transceivers and Fiber Optics

The FS S3900-48T4S 48 port switch has 4 10G SFP+ ports so that it can take advantage of a number of 10G optical transceivers and cables to connect with other network devices, including 10G SFP+, BiDi SFP+, CWDM SFP+, DWDM SFP+, 10GBASE-T SFP+, 10G DAC cable, and AOC cable. On account of backward compatibility on 1G SFP for this 48 port switch, its SFP+ ports can be plugged into SFP modules, such as SFP, BiDi SFP, CWDM SFP, DWDM SFP, and 1000BASE-T SFP. What is more, S3900-48T4S switch is compatible with the mainstream transceivers of other brands so as to create a flexible and convenient user experience.


In the past years, 10G uplink ports of network switch have been too expensive in the market so that the popularization was not wide. Currently, high density port switch is popular with small and middle-sized business data centers. FS S3900-48T4S 48 port switch is now a highly affordable and cost-effective way for 10G network in responding to the market signals. If you have any demands for S3900-48T4S 48 port switch and its supported modules and cables, FS would always be your good choice.

Related Article: FS S3900-24T4S Stackable 24 Port Switch Introduction

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