Overview
This is a robust, industrial-grade 10GBASE-BX BiDi SFP+ transceiver, engineered to be fully compatible with the Cisco SFP-10G-BX40U-I. It is the “Upstream” component in a BiDi pair. Specifically, it transmits on the 1270nm wavelength and receives on 1330nm. This allows for 10Gbps data transmission over a single strand of single-mode fiber. Furthermore, its hardened design ensures reliable operation in extreme temperatures, making it a perfect solution for deploying high-speed networks in the toughest industrial environments.
Key Features
- Bi-Directional (BiDi) Operation: Sends and receives data over one fiber using WDM technology, which significantly reduces cabling costs.
- Industrial Temperature Range: Constructed with hardened components to ensure stable performance in harsh conditions from -40°C to 85°C (-40°F to 185°F).
- 40km Long-Haul Reach: Provides 10Gbps connectivity over distances of up to 40 kilometers using a single SMF cable.
- Guaranteed Compatibility: Functions as a seamless, plug-and-play replacement for the Cisco SFP-10G-BX40U-I module.
- Digital Optical Monitoring (DOM): In addition, it offers real-time monitoring of critical parameters like Tx/Rx power, voltage, and temperature for proactive network management.
- Simplex LC Connector: Features a single LC optical interface to simplify connectivity.
Applications
The combination of single-fiber communication, extended reach, and a ruggedized chassis makes this module ideal for specialized use cases. For example, its applications include:
- Industrial Ethernet and Outdoor Network Deployments
- Intelligent Transportation Systems (ITS) and Surveillance
- Telecommunications and 5G Fronthaul/Midhaul
- Campus and Enterprise networks where fiber is limited
- Utility and Smart Grid Communication Networks
Specifications
| Parameter | Value |
|---|---|
| Compatibility | Cisco SFP-10G-BX40U-I |
| Form Factor | SFP+ |
| Protocol | 10GBASE-BX (BiDi) |
| Max Data Rate | 10.3125 Gbps |
| Wavelength | TX: 1270nm / RX: 1330nm |
| Max Cable Distance | 40km |
| Connector | Simplex LC/UPC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Transmitter Type | DFB |
| Receiver Type | APD |
| DOM Support | Yes |
| Industrial Temperature Range | -40 to 85°C (-40 to 185°F) |
| Protocols | SFF-8472, SFF-8431, SFF-8432, RoHS Compliant |
Cross-Platform Compatibility
In addition to being a perfect alternative for the Cisco SFP-10G-BX40U-I, this versatile module is engineered based on Multi-Source Agreement (MSA) standards. For this reason, it offers broad interoperability with a wide range of equipment from other major manufacturers. Below is a list of potential equivalent part numbers this module can replace:
| Manufacturer | Equivalent Part Number |
|---|---|
| Juniper | SFPP-10GE-BX40-U-I |
| Arista | SFP-10G-BXU40-I |
| MSA Generic | SFP-10G-BX40-U-I |
Note: This is an upstream (U) module and must be paired with a downstream (D) module, such as the SFP-10G-BX40D-I, on the opposite end of the link.
Advantages
Choosing this compatible industrial module provides immediate, tangible benefits. Firstly, it halves your fiber optic cable requirements, leading to significant infrastructure savings. Secondly, its industrial-grade construction guarantees network reliability and longevity, even in the most demanding operational environments. Moreover, you benefit from substantial cost reductions compared to OEM parts. Ultimately, this approach frees you from vendor lock-in, enabling a more flexible, scalable, and cost-efficient network strategy for your industrial applications.
FAQ (Technical & Product Questions)
1. What does “U” in SFP-10G-BX40U-I stand for?
The “U” stands for “Upstream.” In any BiDi link, there is an Upstream and a Downstream module. The Upstream module transmits at a lower wavelength (1270nm) and receives at a higher one (1330nm). Therefore, it must be paired with a Downstream (“D”) module on the other end of the fiber to complete the communication link.
2. Can I use two SFP-10G-BX40U-I modules to make a link?
No, this will not work. A functional BiDi link requires one “U” module and one “D” module. This is because two “U” modules would both transmit on the 1270nm wavelength and listen on the 1330nm wavelength. Consequently, neither would be able to hear the other’s signal. Always pair a U with a D module.
3. What makes an Industrial SFP+ module different from a commercial one?
An Industrial SFP+ module is built with more robust, higher-grade components. This allows it to withstand a much wider operating temperature range (-40°C to 85°C) compared to commercial-grade modules (0°C to 70°C). As a result, industrial modules are essential for ensuring network reliability in uncontrolled environments like outdoor cabinets or factory settings.
4. Do I need a special type of fiber for this module?
No special fiber is needed, but you must use the correct type. This module is designed for use with standard single-mode fiber (SMF), typically with a 9/125µm core. It will not function correctly over multi-mode fiber (MMF). You also only need a single strand of SMF with simplex LC connectors to establish the link.
5. Is this module hot-swappable?
Yes, this SFP+ transceiver is fully hot-swappable. This means you can install or remove the module from a compatible port on a switch or router without needing to power down the device. This feature is critical for maintaining network uptime during upgrades or maintenance activities. It allows for seamless and non-disruptive hardware changes.
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