1250Mbps Fiber Optical Transceiver 1270nm-1610nm 1000BASE-CWDM SFP 120km Transceiver

Basic Information
Place of Origin: China
Brand Name: GIGAOPTO
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTS-C6112-C0DC
Minimum Order Quantity: 1 pcs
Price: Negotiable
Packaging Details: Single Package, 10 or 20pcs per Tray, 30 or 50 or 100pcs per box, 400 or 600pcs per carton
Delivery Time: 1-5 working days
Payment Terms: T/T, Western Union
Supply Ability: 100,000pcs / month
Detail Information
Product Name: 1000BASE-CWDM SFP Form Factor: SFP
Data Transfer Rate: 1000BASE Wavelength: 1270~1610nm Channel
Laser Type: DFB CWDM Maximum Power: 1W
Max Distance: 120km Power Budget: 32dB
Keywords: 1.25Gbps 1000BASE, SFP CWDM 120km Optical Transceiver, 120km SFP Module
High Light:

1250Mbps Fiber Optical Transceiver


Fiber Optical Transceiver 1270nm


SFP 120km Transceiver

Product Description

1000BASE-CWDM 1.25Gbps SFP Transceiver Module 120km 1270-1610nm SMF DOM Duplex LC





The GIGAOPTO's GTS-C6112-C0DC series optical transceivers provide 1000Base-CWDM throughput up to 120km over single-mode fiber (SMF) via an LC connector at a nominal wavelength of CWDM wavelength. There are eighteen center wavelengths available from 1270nm to 1610nm, with each step 20nm. It is with the SFP 20-pin connector to allow hot plug capability. The full-duplex SFP transceiver features highly reliable DFB transmitter and PIN photo detector to offer high performance interconnection at 1Gbps data rate.


This CWDM SFP transceiver series is fully compliant with SFP Multi-Source Agreement (MSA), IEEE 802.3 1000BASE-CWDM and SERDES standard.



  • Hot-pluggable SFP footprint
  • Low power dissipation <1W typically
  • Single 3.3V power supply
  • Metal enclosure provides lower EMI
  • Supports up to 1.25Gbps date rates
  • Monitoring Interface Compliant with SFF-8472
  • CWDM DFB wavelengths laser and PIN photo-detector for 120km transmission
  • 18-Wavelength CWDM DFB transmitter from 1270nm to 1610nm, with Step 20nm
  • Case operating temperature:

Industrial: -40°C~85°C (-40 to 185°F)

Commercial: 0°C~70°C (32 to 158°F)

  • Compliant with SFP MSA standard
  • Compliant with RoHS and lead-free


  • Router/Server Interface
  • 1x Fiber Channel
  • Switched Backplane Applications
  • Gigabit Ethernet over CWDM



Form Type SFP CWDM Data Link 1250Mbps
Optical Receptacle Type Dual LC Max Cable Distance 120km
Digital Diagnostic Monitoring Supported Fiber Type Single Mode Fiber
Total System Budget 32dB Operating Temperature


0 to 70°C (32 to 158°F)

Storage Temperature -40°C~85°C Relative Humidity 0~85%
Wavelength 1270~1610nm Power Supply Voltage 3.3V
Max Power Consumption 1W Supply Current 300mA
Optical Components DFB CWDM Receiver Type PIN
Optical Output Power 0~5dBm RX SENS. <-30dBm
ER >9dB Saturation >-8dBm
Protocols IEEE802.3z, MSA Compliant


Notice: When the long reach transceiver is used in short distance transmission, please matched with appropriate

attenuator according to the table.

Distance ≤20km ≤40km ≤60km
Attenuator 15dB 10dB 5dB



Ordering Information


Part Number Description - 1.25G SFP CWDM CWDM/ CH Reach (km) Connector Latch Color
GTS-C2712-C0DC 1.25Gb/s SFP CWDM 1270nm Transceiver 1270nm / -C27 120km LC Duplex Light Purple
GTS-C2912-C0DC 1.25Gb/s SFP CWDM 1290nm Transceiver 1290nm/ -C29 120km LC Duplex Sky Blue
GTS-C3112-C0DC 1.25Gb/s SFP CWDM 1310nm Transceiver 1310nm/ -C31 120km LC Duplex Yellow Green
GTS-C3312-C0DC 1.25Gb/s SFP CWDM 1330nm Transceiver 1330nm/ -C33 120km LC Duplex Yellow Ocher
GTS-C3512-C0DC 1.25Gb/s SFP CWDM 1350nm Transceiver 1350nm/ -C35 120km LC Duplex Pink
GTS-C3712-C0DC 1.25Gb/s SFP CWDM 1370nm Transceiver 1370nm/ -C37 120km LC Duplex Beige
GTS-C3912-C0DC 1.25Gb/s SFP CWDM 1390nm Transceiver 1390nm/ -C39 120km LC Duplex White
GTS-C4112-C0DC 1.25Gb/s SFP CWDM 1410nm Transceiver 1410nm/ -C41 120km LC Duplex Silver
GTS-C4312-C0DC 1.25Gb/s SFP CWDM 1430nm Transceiver 1430nm/ -C43 120km LC Duplex Black
GTS-C4512-C0DC 1.25Gb/s SFP CWDM 1450nm Transceiver 1450nm/ -C45 120km LC Duplex Yellow Orange
GTS-C4712-C0DC 1.25Gb/s SFP CWDM 1470nm Transceiver 1470nm / -C47 120km LC Duplex Gray
GTS-C4912-C0DC 1.25Gb/s SFP CWDM 1490nm Transceiver 1490nm/ -C49 120km LC Duplex Violet
GTS-C5112-C0DC 1.25Gb/s SFP CWDM 1510nm Transceiver 1510nm/ -C51 120km LC Duplex Blue
GTS-C5312-C0DC 1.25Gb/s SFP CWDM 1530nm Transceiver 1530nm/ -C53 120km LC Duplex Green
GTS-C5512-C0DC 1.25Gb/s SFP CWDM 1550nm Transceiver 1550nm/ -C55 120km LC Duplex Yellow
GTS-C5712-C0DC 1.25Gb/s SFP CWDM 1570nm Transceiver 1570nm/ -C57 120km LC Duplex Orange
GTS-C5912-C0DC 1.25Gb/s SFP CWDM 1590nm Transceiver 1590nm/ -C59 120km LC Duplex Red
GTS-C6112-C0DC 1.25Gb/s SFP CWDM 1610nm Transceiver 1610nm/ -C61 120km LC Duplex Brown




Gigaopto's optical transceivers are 100% compatible with many famous switch brands and will not cause damage to OEM devices. In order to ensure the quality and compatibility of our products, each product is carefully tested on the corresponding equipment before delivery to customers.
For this (1.25G SFP CWDM 120km) compatibility, please refer to the P/N correspondence table (e.g. 1610nm wavelength channel). If the brand and part number you are looking for is not listed below, please let us know and we will be delighted to provide you with more details.


Corresponding Compatible Brand/Part Number
Brand P/N Brand P/N
Netgear CWDM-SFP-1610 Alcatel-Lucent SFP-GIG-61CWD120

Contact Details

WhatsApp : +8615989585901