Product Type | Gigabit Ethernet SFP Transceiver Module |
Form Factor | SFP (Small Form-Factor Pluggable) |
Wavelength (Transmit) | 1490 nm |
Wavelength (Receive) | 1310 nm |
Maximum Data Rate | 1 Gbps |
Max Transmission Distance | 10 km |
Cable Type | Single-mode fiber |
Connector Type | LC duplex connector |
Power Budget | 13 dB |
Optical Output Power (Tx) | -3 dBm to +3 dBm |
Receiver Sensitivity | -20 dBm |
Digital Optical Monitoring (DOM) | Supported |
Hot Swappable | Yes |
Power Consumption | Less than 1 W |
MTBF | 1,000,000 hours |
CISCO 1000BASE-BX SFP, 1490NM, GLC-BX-D=

Key Benefits

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- Ideal for long-distance networking with up to 10 km range over single-mode fiber
- Reduces infrastructure costs by enabling bidirectional traffic over a single fiber strand
- TAA compliance and U.S. origin make it suitable for secure, government-related installations
Product Overview
The CISCO 1000BASE-BX SFP, GLC-BX-D= is a Gigabit Ethernet transceiver optimized for 1490 nm downstream transmission over a 10 km range using single-mode fiber and an LC/PC connector. Fully compliant with TAA regulations, it is ideal for secure and regulated deployments. It supports high-performance bidirectional communication across a single fiber strand, helping organizations reduce fiber footprint while maintaining reliable and efficient data transfer.
Specifications
Product Overview
Physical & Environmental
Dimensions (H x W x D) | 8.5 mm x 13.4 mm x 56.5 mm |
Operating Temperature | 0°C to 70°C (32°F to 158°F) |
Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
Operating Humidity | 10% to 90% non-condensing |
Storage Humidity | 5% to 95% non-condensing |
Cloud Management & Licensing
Cloud Management Support | No |
Software Licensing | Not Required |
Interfaces
Interface | 1000BASE-BX |
Port Type | SFP |
Number of Optical Ports | 1 |
Signaling Rate | 1.25 Gbaud |
Protocol | Gigabit Ethernet |
Compliance & Origin
TAA Compliance | Yes |
Country of Origin | United States |
RoHS Compliance | Yes |
Certifications | CE, FCC, UL, CSA |
EMI Standards | EMC Directive 2014/30/EU |
Safety Standards | IEC 60825-1, FDA 21 CFR 1040.10 and 1040.11 |
Advanced Security Features
Secure Optical Transmission | No Encryption – relies on physical layer |