Transceivers: Modular connection solutions for your network
Transceivers are key components of modern network technology - they enable flexible data transmission via copper or fiber optics and can be integrated directly into switches, routers, or firewalls. With the right transceiver modules, you can expand your infrastructure with Gigabit or high-speed connections - exactly as needed.
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CIENA - SFP+ transceiver module - 10GbE - LC single-mode - up to 40 km - 1470 nm, compatible
100Base-BX SFP Transceiver (SMF, 1310nmTx/1550nmRx, 20km, LC), compatible
Force 10, 1000BASE-LX/LH SFP transceiver for MMF and SMF, 1300-nm, compatible
Ruckus - SFP (mini-GBIC) transceiver module - GigE - 1000Base-CWDM - SFP (mini-GBIC) / LC single-mode - up to 80 km - 1610 nm, compatible
Mellanox optical transceiver, 100GbE, 100Gb/s, QSFP28, LC-LC, 1310nm, LR4 up to 10km, compatible
1-port OC-48/STM-16 SONET/SDH Optics Module, IR-1 / S-16.1, Single Mode Fiber (SMF), 15-21km, 1310 nm, LC Connector, Digital Diagnostic Monitor (DDM), Extended Temperature -40/85C.
1000Base-BXU SFP optic SMF, transmits at 1310nm and receives at 1550nm, LC connector, single strand SMF fiber. This optic should only be connected to an E1MG-BXD at the far end.
QSFP56DD to 4xQSFP28 (400G to 4x100G) Copper Breakout Direct Attach Cable 1m (26 AWG) Standard Temperature (0 through 70 Degree C)
D-Link DEM 431XT - SFP+ transceiver module - 10 Gigabit Ethernet - 10GBase-SR - up to 984 ft - for xStack DGS-3620-28PC, DGS-3620-28SC, DGS-3620-28TC, DGS-3620-52P, DGS-3620-52T
1-port 10GBASE-ER Small Form Factor Pluggable Plus (SFP) 10 Gigabit Ethernet Transceiver, connector type: LC. Supports single-mode fiber for interconnects up to 40km. AVAYA
Allied Telesis AT SPTX-90 - SFP (mini-GBIC) transceiver module - GigE - 1000Base-T - RJ-45 - up to 100 m - TAA Compliant, compatible
SFP+ 10GBase-ER 10 Gigabit Ethernet Optics, 1550nm for 40km Transmission on SMF
10G CWDM XFP, 8-channel using C-Band, 70km reach, 1591nm for 80 km transmission on SMF, compatible
What is a transceiver and how does it work?
A transceiver (transmitter + receiver) sends and receives data via network cables - in the form of light (fiber optic) or electrical signals (copper). It is plugged into standardized ports such as SFP, SFP+, or QSFP and is often hot-swappable, meaning it can be replaced during operation.
Typical applications:
- Connecting network components over long distances
- Upgrading existing networks to higher bandwidths
- Integration into modular switches, firewalls, or storage systems
Overview of common transceiver formats
SFP & SFP+:
- SFP module: The standard for 1 Gbit/s connections
- SFP+ module: Supports up to 10 Gbit/s – ideal for servers or core switches
- SFP S / SFP SFP+: Combinations or product names in manufacturer documentation, often used synonymously
Other formats:
- QSFP/QSFP28: For 40G, 100G, or 400G applications
- SFP28: 25G transceiver for modern data centers
Fiber optic transceivers vs. copper
Fiber optic transceivers enable interference-free transmission over long distances - ideal in data centers, between buildings, or in EMC-critical environments. In comparison, copper transceivers are suitable for short distances (up to 100 m) and standardized cabling.
Advantages of fiber optics:
- High bandwidths (10G, 25G, 100G+)
- Low latency
- Insensitive to electromagnetic interference
When selecting a fiber optic transceiver module, wavelength, distance, and fiber type (single-mode vs. multi-mode) should be taken into account.
Manufacturer compatibility: Cisco, Juniper, Aruba, Dell, Lenovo, and many more
Transceivers are often manufacturer-specific. it-market offers a wide selection of compatible modules for the following systems:
- Cisco transceivers: e.g., for Catalyst, Nexus, or Meraki series
- Juniper transceivers: for EX, QFX, and MX platforms
- Aruba transceivers: for Aruba switches or Instant-On solutions
- Dell & Lenovo transceivers: specially validated modules for PowerSwitch and ThinkSystem environments
- And many other manufacturers
Transceivers: new, used, and refurbished at it-market
At it-market, you will find tested network transceivers for all common manufacturers and requirements. Whether you need an SFP module, a 10G SFP+, a QSFP, or a fiber optic transceiver, we offer new, used, and refurbished transceivers with tested quality.
Benefit from:
- 3-year warranty for companies
- Up to €2,500 buyer protection
- Short delivery times
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