2 Channel 1000BASE-BX BiDi CSFP Transceiver Module TX1490nm/RX1310nm SMF LC Module

Basic Information
Place of Origin: Shenzhen, China
Brand Name: GIGAOPTO
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTCS-B4312-10DC
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-BX BIDI CSFP Form Factor: CSFP
Data Rate: 1.25Gb/s Distance: 10km (6.2 Miles)
Wavelength: 1310nm-TX/1490nm-RX Connector: LC
Receiver Sensitivity: < -22dBm Max. Power Consumption: 1.5W
Keywords: CSFP BiDi Transceiver, 1000BASE-BX 1.25G, 2-Channel BiDi CSFP Module
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BiDi CSFP Transceiver


CSFP Transceiver Module


1000BASE-BX BiDi Optical Transceiver

Product Description

Cisco Compatible 2-Channel 1000BASE-BX BiDi CSFP Transceiver Module TX1490nm/RX1310nm SMF 10km DOM Duplex LC



SFP (Small Form-factor Pluggable) optical transceiver is a compact, hot-swappable, and modular transceiver used for transmitting and receiving optical signals over fiber optic cables. SFP transceivers are commonly used in Ethernet switches, routers, and media converters to provide connectivity to fiber optic networks.




The GIGAOPTO's GTCS-B4312-10DC transceiver is a high performance, cost effective module supporting 1.25Gbps and 10km transmission distance with single-mode fiber (SMF). The transceiver consists of 2-channel Bi-directional Optical Transceiver unit with five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the DFB laser and the PIN photo-detector.


The 2-Channel 1000BASE-BX BiDi CSFP transceiver operates at the normal wavelength of TX1310nm/RX1490nm, 2 channel, and is designed to meet Gigabit Ethernet and 1X Fiber channel application. All modules satisfy class I laser safety requirements. It fully complies with the Compact Small Form-Factor Pluggable (CSFP) Multi-Source Agreement (MSA).





Compatible Brand CISCO Compatible Part Number GLC-2BX-D
Form Factor Compact SFP (CSFP) Data Link 1000Mbps
Optical Connector Duplex LC Max Cable Distance 10km(6.2 miles)
DDM/DOM Supported Fiber Mode SMF
Total System Budget >14dB Environment


0 to 70°C (32 to 158°F)

Centre Wavelength 1490nm-TX/1310nm-RX Supply Voltage 3.3V
Max Power Consumption 1.5W Power Supply Current 300mA
Transmitter Type DFB BiDi PD Type PIN
Launched Power -9.5~-3dBm Sensitivity < -22dBm
Extinction Ratio >8.2dB Saturation >-3dBm
Protocols Fast Ethernet, Gigabit Fibre Channel, MSA Compliant





  • Hot-pluggable CSFP footprint
  • Achieve operational compatibility with conventional SFP
  • Low power dissipation
  • Duplex LC optical connector
  • 2-channel Bi-directional optical transceiver
  • Support 1.25Gbps data links
  • 1490nm DFB laser transmitter and 1310nm PIN photo-detector
  • Up to 10km on 9/125µm SMF
  • Single +3.3V power supply
  • Monitoring interface compliant with SFF-8472
  • International Class 1 laser safety certified
  • Case operating temperature:
  • Standard: 0°C~70°C (32 to 158°F)
  • Industrial: -40°C~85°C (-40 to 185°F)
  • RoHS6 Compliant
  • Compliant with SFP MSA (INF-8074i)




  • Switched Backplane Applications
  • Router/Server Interface
  • Gigabit Ethernet
  • Switch to Switch Interface
  • Point to Point FTTH Application


Ordering Information


P/N Package Speed Wavelength Reach Laser Type Interface
GTS-B3412-10DC 1000BASE-BX-U BiDi SFP 1250Mbps Tx1310nm/Rx1490nm 10km FP Single LC
GTS-B4312-10DC 1000BASE-BX-D BiDi SFP 1250Mbps Tx1490nm/Rx1310nm 10km DFB Single LC
GTS-B3512-10DC 1000BASE-BX BiDi SFP 1250Mbps Tx1310nm/Rx1550nm 10km FP Single LC
GTS-B5312-10DC 1000BASE-BX BiDi SFP 1250Mbps Tx1550nm/Rx1310nm 10km DFB Single LC
GTCS-B3412-10DC 2-Channel BiDi CSFP 1000BASE-BX 1250Mbps Tx1310nm/Rx1490nm 10km FP Dual LC
GTCS-B4312-10DC 2-Channel 1000BASE-BX-D BiDi CSFP 1250Mbps Tx1490nm/Rx1310nm 10km FP Dual LC


Contact Details

WhatsApp : +8615989585901