Cisco GLC-BX120-U Compatible 1000BASE-BX-U SFP BiDi 1490nm-TX/1550nm-RX 120km Simplex LC/UPC SMF transceiver offers dependable, single-mode fiber Gigabit Ethernet connectivity over long distances up to 120 km. It uses a 1490 nm transmitter and 1550 nm receiver on an LC simplex connector.
The module supports the Cisco GLC-BX120-U, Juniper Networks SFP-GE120KT14R15, Brocade E1MG-1G-BXU-120, HPE SFP-1G-BXU-120, H3C SFP-GE-120-SM1490-A, HW LE2MGSC120DE0, Dell SFP-GE-BX120U-1490, and Extreme MGBIC-BX120-U for multi-vendor support to help maximize your networking capabilities. The transceiver module is engineered to transmit and receive over long distances while providing exceptional performance, stable optical performance, and minimal signal loss. The transceiver supports 1000BASE Ethernet connectivity options for Fast Ethernet, Telecom, and Data Center applications.
Specifications
| Parameter | Description |
| Brand | BYXGD |
| Cisco Compatible Model | GLC-BX120-U |
| Form Factor | SFP |
| Transmission Type | BiDi (Bi-Directional, Single Fiber) |
| Data Rate | 1.25 Gbps |
| Wavelength | 1490 nm Transmit / 1550 nm Receive |
| Transmission Distance | Up to 120 km over single-mode fiber (SMF) |
| Connector Type | Simplex LC/UPC |
| Optical Components | DFB Laser, BiDi Receiver |
| Fiber Type | Single-Mode Fiber (SMF) |
| Digital Optical Monitoring (DOM) | Supported |
| Transmit Power (TX) | -1 to +4 dBm |
| Receiver Sensitivity (RX) | < -31 dBm |
| Receiver Overload Power | > -3 dBm |
| Power Consumption | ≤ 1 W |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Power Supply Voltage | 3.3 V (typical) |
| Bit Error Rate (BER) | < 1×10⁻¹² |
| EMI Emission | FCC Part 15 Class B, EN55022 Class B |
| Laser Safety | Class 1, IEC/EN 60825-1 Certified |
| Environmental Compliance | RoHS Compliant, Lead-Free Design |
| Hot-Pluggable | Yes |
| Protocols Supported | Gigabit Ethernet, Fibre Channel, MSA Compliant |
| Application | Fast Ethernet, Telecom, Data Centers |
| Packaging | Individual anti-static bag |
| Warranty | 5 Years |
| Technical Support | Lifetime |
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