| 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 |