1000BASE-BX 1.25G BiDi SFP Module 1490nm-TX/1570nm-RX 80km Simplex LC SMF DOM

Basic Information
Place of Origin: China
Brand Name: GIGAOPTO
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTS-B495712-80DC
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
Form Factor: SFP Center Wavelength: 1490nm-TX/1570nm-RX
PD Type: PIN Connector Type: LC Simplex
LD Type: DFB BiDi Max Data Rate (Gbps): 1.25Gbps
Max Cable Distance: 80km (49.7 Miles)
High Light:

1.25G BiDi SFP Module


1000BASE-BX SFP Module


80km Simplex SFP Module

Product Description

Cisco Compatible 1000BASE-BX 1.25G BiDi SFP Transceiver Module 1490nm-TX/1570nm-RX 80km Simplex LC SMF DOM





The GIGAOPTO's GTS-B495712-80DC optical transceiver provides 1000Base-BX throughput up to 80km link length over single-mode fiber (SMF) using a wavelength of 1490nmTx/1570nmRx via LC simplex connectors. This transceiver is a high performance and cost-effective small form factor pluggable (SFP) Bi-directional module specified for 1000BASE-BX Gigabit Ethernet and 1G Fiber Channel applications. This transceiver supports DDM/DOM optical diagnostics that allows access to real-time operating parameters.


This transceiver is fully compliant with IEEE 802.3 1000BASE-BX80 and SERDES standard, SFP Multi-Source Agreement (MSA) and can be used on the MSA compliant networking equipment.


  • Supports 1.25Gbps/1.0625Gbps bit rates
  • Hot-pluggable SFP footprint
  • Bi-Directional LC connector
  • Up to 80km on single 9/125µm SMF
  • 1490nm DFB laser and 1570nm PIN photo detector
  • 1570nm DFB laser and 1490nm PIN photo detector
  • Very low EMI and excellent ESD protection
  • Built-in digital diagnostic via 2-wire interface
  • Single 3.3V power supply voltage
  • Low power consumption, < 1.0W
  • International Class 1 laser safety certified
  • Ambient operating temperature:

Commercial: 0°C~70°C (32 to 158°F)

Industrial: -40°C~85°C (-40 to 185°F)

  • Compliant with RoHS6 and lead-free
  • Compliant with SFP MSA and SFF-8472


  • 1G Fiber Channel
  • Switch to Switch Interface
  • Router/Server Interface
  • Gigabit Ethernet
  • Switched Backplane Applications
  • Broadband aggregation and wireless infrastructure




Compatible Brand CISCO Compatible PN GLC-BX80-U
Transceiver Type SFP Supported Data Rate 1.063-1.25Gbps
Connector Type Single LC Reach 80km
DDM/DOM Supported Cable Type Single Mode Fiber
Warranty 3 Years Temperature

Commercial 0 to 70°C

Industrial -40 to 85°C

Wavelength 1490nm-TX/1570nm-RX Power Supply Voltage 3.3V
Max Power Consumption 1W Optical Budget 22dB
Transmitter Type DFB BiDi Receiver Type PIN photodiode
Transmitter Output Power -2~3dBm Receiver Sensitivity < -24dBm
Extinction Ratio >9dB

Input Saturation


Protocols IEEE 802.3z, Fast Ethernet, Gigabit Fibre Channel, MSA Compliant


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

according to the table.

Distance ≤15km ≤35km ≤55km
Attenuator 15dB 10dB 5dB




All of GIGAOPTO's GTS-B495712-80DC SFP optical transceiver modules (1000BASE-BX BiDi SFP 1490nm-TX/1570nm-RX 80km) are open sourced, can be coded to be fully compatible with worldwide popular brands' devices. For detailed compatibility, please refer to the following table, and feel free to contact us.


Compatible Brand Compatible Part Number Compatible Brand Compatible Part Number
GIGAOPTO GTS-B495712-80DC Juniper SFP-GE80KT49R57
CISCO GLC-BX80-U Brocade E1MG-BXU-80



Ordering Information


P/N Description Speed Wavelength Distance TX Power Sensitivity
GTS-B4512-80DC 1000BASE-BX BiDi SFP 1250M Tx1490nm/Rx1550nm 80km -2~3dBm < -24dBm
GTS-B5412-80DC 1000BASE-BX BiDi SFP 1250M Tx1550nm/Rx1490nm 80km -2~3dBm < -24dBm
GTS-B495712-80DC 1000BASE-BX BiDi SFP 1250M Tx1490nm/Rx1570nm 80km -2~3dBm < -24dBm
GTS-B574912-80DC 1000BASE-BX BiDi SFP 1250M Tx1570nm/Tx1490nm 80km -2~3dBm < -24dBm
GTS-B4512-C0DC 1000BASE-BX BiDi SFP 1250M Tx1490nm/Rx1550nm 120km -1~4dBm < -31dBm
GTS-B5412-C0DC 1000BASE-BX BiDi SFP 1250M Tx1550nm/Rx1490nm 120km -1~4dBm < -31dBm

Contact Details

WhatsApp : +8615989585901