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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The StarTech LOOPBACKMTPSM9125F is a female MPO/MTP single mode fiber optic loopback plug designed for testing male MPO/MTP ports on network equipment. This device simulates a fiber optic connection by looping back transmit signals to receive ports, allowing you to verify port functionality and troubleshoot network issues without a full cable run. It is essential for testing network interface cards (NICs), switches, and transceivers in data centers and enterprise environments. The LOOPBACKMTPSM9125F model is specifically for testing male MPO connectors.
This loopback plug is compatible with any male MPO/MTP single mode (9/125 micron) fiber optic connector. It is suitable for testing equipment that utilizes MPO/MTP interfaces, including high-speed network switches, routers, optical transceivers (like QSFP, CFP, CXP), and network interface cards (NICs) that require port verification. It adheres to IEC and RoHS industry standards.
The plug features a low insertion loss of less than 0.35dB, ensuring minimal signal degradation during testing. Its repeatability is rated at 0.2dB, providing consistent results over multiple connection cycles. The return loss is greater than 50dB, which is critical for maintaining signal integrity in sensitive optical systems. Designed for 1,000 testing cycles, it offers durability for frequent use. The operating and storage temperature range is -40°C to 75°C, making it suitable for various environmental conditions. The ABS housing provides a balance of durability and light weight.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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