Lenovo 30M HDR-2XHDR100 Splitter OPT CBL - 4Z57A72566

Lenovo 4Z57A72566 Splitter Cable

Overview

The Lenovo 4Z57A72566 is a 10-meter optical splitter cable designed to break out a single Mellanox HDR InfiniBand port into two HDR100 ports. This cable is essential for high-performance computing and networking environments where you need to aggregate bandwidth or connect to multiple high-speed devices from a single source. It supports optical signaling for reliable, low-latency data transmission over distances up to 10 meters.

Compatibility

This cable is specifically designed for Mellanox HDR InfiniBand host adapters and switches that support port splitting. It is compatible with Mellanox ConnectX-6 Dx adapters (MCX623106AS-CDAT, MCX623436AN-CDAB) and ThinkSystem servers equipped with these adapters, such as the SR950 (Xeon Gen 1). The QSFP56 connector on one end interfaces with the source port, while the dual QSFP56 connectors on the other end connect to the target devices.

Installation Notes

Ensure that the Mellanox HDR InfiniBand host adapter or switch port is configured to support port splitting (e.g., via XClarity Provisioning Manager or system BIOS settings). The cable utilizes optical QSFP56 connectors, which require clean handling and proper seating to establish a reliable connection. Avoid sharp bends or excessive tension on the cable to maintain signal integrity over its 10-meter length.