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Rdh optical module

Fiber and communications infrastructure knowledge brief Published 12 Aug 2024

Prepared for preliminary research by the ROGER FIBRE knowledge desk. Confirm optical interfaces, port or core capacity, electrical input and output, enclosure protection, thermal design and installation limits against current standards and product documentation.

The RDH10265/2 is a 10GBASE-LR Lite SFP+ optical transceiver designed for CPRI/OBSAI fronthaul links with a short-reach of up to 2 km over single-mode fiber.

Overview

The RDH10265/2 (also written as RDH 102 65/2) is an Ericsson SFP+ optical module optimized for wireless base station connections, supporting data rates up to 10. 3125 Gb/s for CPRI, OBSAI, LTE, and other wireless applications. It is compliant with industry standards including SFF-8431, SFF-8432, SFF-8472 Rev 10.

2, CPRI Rev 5. 0, and OBSAI Rev V4. 2.

The module is RoHS compliant and comes in original packaging, ensuring compatibility with Ericsson devices.

Technical Specifications

Data Rate: 1228. 8 Mbps to 10. 138 Gbps for CPRI; supports OBSAI RP3 x2, x4, x8 at 1.

536, 3. 072, and 6. 144 Gbps.

Optical Reach: Short-reach up to 2 km over single-mode fiber using a 1310 nm Fabry-Perot laser. Connector Type: Duplex LC/UPC. Transmit Power (TX): −8.

2 to +0. 5 dBm. Receive Sensitivity (RX): −14.

4 dBm; RX overload +0. 5 dBm. Link Budget: 6.

3 dB. Chromatic Dispersion Tolerance: 70–100 ps/nm. Power Supply: Single +3.

3V. Digital Optical Monitoring (DOM): Supported for real-time monitoring of optical parameters.

Applications

The RDH10265/2 is primarily used for fronthaul connections between a baseband unit (BBU) and a remote radio head (RRH) in cellular networks. It is not designed for Ethernet traffic, making it suitable for CPRI/OBSAI radio traffic over short distances within a cell site or campus.

Installation and Reliability

The module is user-friendly, with standard packaging and easy integration into existing systems. It is CE certified and comes with a 1-year warranty, ensuring reliable performance in demanding telecom environments. Comparison with RDH10265/3The RDH10265/3 variant is a 10 km long-reach module using a DFB laser, whereas the RDH10265/2 is limited to 2 km with a Fabry-Perot laser.

These modules are not interchangeable, so the correct variant must be selected based on the required optical span. In summary, the RDH10265/2 SFP+ module is a high-speed, short-reach optical transceiver ideal for CPRI/OBSAI fronthaul links, offering reliable performance, digital monitoring, and compliance with industry standards for wireless telecommunications.

Rdh optical module - ROGER FIBRE ATELIER [PDF]

Rdh optical module

Ericsson RDH10265-2 Datasheet

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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