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1.25G CWDM SFP transceiver module
Wavelength
1270nm1290nm1310nm1330nm1350nm1370nm1390nm1410nm1430nm1450nm1470nm1490nm1510nm1530nm1550nm1570nm1590nm1610nm
Distance
40km80km120km
Port Type
LC Port
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SEESUO’s CWDM SFP small form-factor pluggable (SFP) is a compact optical transceiver used in optical communications for both telecommunication and data communications applications at 1270-1610nm CWDM wavelengths over single-Mode Fiber (SMF). They are designed for use in Fast Ethernet, Gigabit Ethernet, 1G Fibre Channel, and SONET/SDH links, compliant with the SFP MSA. SEESUO supplies OEM service and Third-Party(Cisco, Juniper, HP, Dell etc.) compatible fiber optic transceivers.

1.25Gbps CWDM Transceiver includes 1.25Gbps CWDM GBIC and 1.25Gbps CWDM SFP Optical Transceiver which are with 1.25Gbps data transmissions and bandwidth from 1270nm to 1610nm. The transceiver reaches 40km, 80km, 100km and 120km. 1.25G CWDM Transceiver is a Class 1 laser product which fully complies with the multi-sourcing agreement (MSA) that operated within the specified temperature and voltage limits. All of our 1.25G CWDM Transceivers with DDM characters is usually used in ATM SDH PDH SONET network, data communication network and telecommunication network.

Feature:

● Single +3.3V power supply

● Built-in digital diagnostic functions

● Transmission distance up to 120km over SMF

● Supports data rates from 100Mb/s to 1.25Gb/s

● 18 Wavelengths CWDM 1270nm to 1610nm Available

● Can be used with single fiber CWDM system or dual fiber CWDM system

● Operating Case Temperature: Standard: 0~70°C; Extended: -20~85°C ;Industrial: -40~85°C

Applications:

● Fast Ethernet

● Gigabit Ethernet

● 1X Fibre Channel

● SONET/SDH OC-3/STM-1

● SONET/SDH OC-12/STM-4

● SONET/SDH OC-24/STM-8

● CWDM Networks

1.25G CWDM SFP transceiver module Applications

Standard:

SFP+MSA Compliant

SFF-8472reversion9.5 compliant

IEEE802.3-2005 compliant

Telcordia GR-468-CORE compliant

FCC47CFR Part15,Class B compliant

FDA21CFR 1040.10 and 1040.11,class1 compliant

RoHS compliant

1.25Gbps SFP Duplex WDM CWDM DWDM Transceiver Module Fully compatible with Cisco, HP, Alcatel, H3C, Huawei, Juniper, ZTE, Zyxel, D-Link, Extreme, Nortel, Netgear, Enterasys, Founfry, Adtran, Brocadem Marconi, Finisar etc. 

SEESUO  is one of the largest and best 1.25gbps sfp duplex wdm cwdm dwdm transceiver module manufacturers and suppliers with rich experience. Welcome to buy our high quality products or wholesale our customized 1.25gbps sfp duplex wdm cwdm dwdm transceiver module in stock with our factory. Also, free sample is also available if necessary.

Quality Assurance:

Excellent quality is the foundation of SEESUO' s survival and development. Our operation team are experts with many years' experiences in optical communication industry. Our manufacturers are first-class manufacturers in the industry. Many of them have the qualification of OEM for first-class system equipment manufacturers.

Quality Certification:

We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc.

The 1.25G CWDM SFP transceivers are high-performance, cost-effective modules supporting data-rate of 1.25Gbps and 40km~120km transmission distance with SMF. The transceiver consists of three sections: a CWDM laser transmitter, a photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further Information, please refer to SFP MSA. If you need a large quantity of 1.25G CWDM SFP transceiver module product - Mail us through our E-mail at sales@seesuo.com or request a quote at live chat and our sales manager will contact you shortly.
BESTSELLERS
Product Model Rate Wavelength Distance Connector Cable Type DDM
SS-SFP1G-40Cxx-L 1.25G 1270nm~1610nm 40km LC SMF With DDM
SS-SFP1G-80Cxx-L 1.25G 1270nm~1610nm 80km LC SMF With DDM
SS-SFP1G-120Cxx-L 1.25G 1270nm~1610nm 120km LC SMF With DDM
PRODUCT SPECIFICATIONS
  • Data-rate of 1.25Gbps operation
  • CWDM DFB wavelengths laser and PIN/APD photo detector for 40km/80km/120km transmission
  • Compliant with SFP MSA and SFF-8472 with duplex LC receptacle
  • Digital Diagnostic Monitoring
  • Compatible with SONET OC-24-LR-1
  • Compatible with RoHS
  • ingle 3.3V power supply
  • Operating case temperature: Standard:  0 to +70°C
SCOPE OF APPLICATION
  • Gigabit Ethernet
  • Fiber Channel
  • Metro/Access Networks
  • Switched backplane applications
  • Router/Server interface
  • Other optical transmission systems
PRODUCT PACKAGING
  • 10 pcs Transceivers pack with one plastic box.
  • 4 plastic boxes pack with one antistatic bag.
TECHNICAL DOCUMENT
COMPATIBLE
OEM&ODM SUPPORTED
  • OEM Manufacturer
    SEESUO provides tailored OEM productsbased on clients' designs and specs
  • ODM Manufacturer
    SEESUO boasts rich R&D experienceand top-notch production management
  • Customized production
    SEESUO provides tailored product design,development, and flexible manufacturing.
  • R&D cooperation
    SEESUO adapts swiftly to market changescollaborating with customers in R&D
PRODUCT PROBLEM
  • What does cwdm stand for?
    CWDM stands for Coarse Wavelength Division Multiplexing. It is a technology used in fiber optic communications to increase capacity by multiplexing multiple signals onto different wavelengths. CWDM typically uses channels spaced 20 nm apart, allowing several data streams to transmit simultaneously over a single fiber, enhancing network efficiency without needing additional fibers.
  • what is the difference between cwdm and dwdm?
    The main difference between CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing) is in channel spacing. CWDM uses wider spacing (typically 20 nm), allowing for up to 18 channels, making it suitable for shorter distances. In contrast, DWDM has narrower spacing (0.8 to 1.6 nm), enabling many more channels (up to 80 or more) for long-distance transmission.
  • what is cwdm in networking?
    CWDM, or Coarse Wavelength Division Multiplexing, is a networking technology that increases fiber optic capacity by multiplexing multiple signals over different wavelengths of light, typically spaced 20 nm apart. This allows several channels to transmit simultaneously on a single fiber, enhancing bandwidth for short to medium-range applications like data centers and metropolitan networks.
PRODUCT TESTING
  • Testkit Testing
  • Connection Testing
  • Connector Testing
  • Toolkit Testing
  • Fusion Testing
  • Optical Testing
  • Conductivity Testing
  • Protection Testing
  • Flexibility Testing
  • Resistance Testing
OUR FACTORY
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FEATURED REVIEWS

4.8

( 5 comments)
Low LatencyCompact and PortableStrong Signal Interference ResistanceSupports Long Operation Hours Fast Signal TransmissionGood Temperature AdaptabilityStrong Shock Resistance
  • Aisha Al-Salem
    Saudi Arabia
    4.8
    Installed the 1.25G CWDM SFP on my Cisco 2960X switch for long-distance connections. Flawless performance over 20km—perfect for my campus network setup!
  • Reza Farhadi
    Iran
    4.8
    Using this 1.25G CWDM SFP with an HP 1920 switch. It’s handling multiple channels over a single fiber, keeping my network streamlined and efficient.