Category
Cisco Compatible SFP 1000BASE-BX-D120 BiDi 1550nm-TX/1490nm-RX 120km DDM Simplex LC/UPC SMF Optical Transceiver Module
Product Highlights
*Max. Power Consumption 1W
*Tested in Targeted Switches for Superior Performance, Quality, and Reliability
*Double Your Bandwidth by Using Only One Fiber for Transmit and Receive
*Hot Pluggable SFP MSA Compliant
*BOX - Support Real-time Configuration
*Digital Optical Monitoring Capability for Strong Diagnostic Capabilities
*Compliant to IEEE 802.3z Gigabit Ethernet
*Class 1 Laser Safety and RoHS Compliant
Brand Compatible With 1000BASE-BX-D120 SFP Transceiver Module(SMF, 1.25G, 1550nm-TX/1490nm-RX, 120km, LC, DDM)
Product Details
| Data Rate | Module Type | Distance | Connector | Interface | Temperature | DDM |
| 1.25Gb/s | SFP | 120KM | 1550nm-TX/1490nm-RX | LC | 0~70℃ | Yes |

The SFP-BX-D120 is a high-performance SFP single mode Bi-Di optical module designed for the fiber optic communications industry and uses single-mode fiber for data transmission. As a high-speed, stable communication solution, the SFP-BX-D120 can meet any situation requiring high-speed data transmission and reliable connectivity.
The SFP single mode Bi-Di optical module supports bidirectional transmission and can transmit and receive data at the same time without the need for additional optical fiber in and out, thus saving the user cost and space. The SFP single mode Bi-Di optical module has excellent performance and transmission distance of more than 120km, so it can play its advantages in various situations such as data centers, local area networks and metropolitan area networks. As a high-performance SFP single mode Bi-Di optical module, the use of SFP-BX-D120 can help users achieve long-distance network communication.
The SFP single mode Bi-Di optical module has the ability to quickly transfer massive amounts of data, providing enterprises with efficient and accurate data transmission. Using SFP single mode Bi-Di optical module technology, SFP-BX-D120 not only has the characteristics of high-speed transmission, but also has excellent features such as economical, easy to maintain and upgrade, which can provide more comprehensive services for enterprise users.
The SFP single mode Bi-Di optical module is equipped with an SFP interface for a variety of devices, such as routers, switches, servers, fiber optic transceivers, etc., and is also compatible with other Gigabit single-mode single-fiber products. As a high-performance SFP single mode Bi-Di optical module, it has a wide range of applications, enabling high-speed, reliable data transmission in a variety of necessary environments.
In addition to excellent transmission performance, the SFP single mode Bi-Di optical module also has a strong focus on security and reliability. It uses the latest fiber optic communication technology to make data transmission more stable and reliable, while supporting hot swap function, without affecting the equipment that is already running, and reduce downtime due to component replacement. SFP single mode Bi-Di optical module is the best choice for your network transmission.

Specifications
Model number | SFP-BX-D120 | Brand | Firstoptic |
Form Factor | SFP | Max. Data Rate | 1000Mbps |
Wavelength | 1550nm-TX/1490nm-RX | Max. Cable Distance | 120km |
Connector | Simplex LC | Optical Components | DFP BiDi |
Media | SMF | DDM Support | Yes |
TX Power | -1~4dBm | Receiver Sensitivity | <-31dBm |
Commercial Temperature Range | 0 to 70°C (32 to 158°F) | Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
Certification system

Features
Test Equipment
Compatible Test
QC TestHigh Compatibility for all Brands

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