MPO Fiber Optic Loopback Cable
MPO fiber optic loopback cables are high-precision test and protection components for optical communication links, widely used for 100G, 200G, 400G and 800G high-speed optical port testing, link debugging and device performance verification.
Designed to realize physical loopback of transmit and receive channels in a single MPO connector, they deliver stable loopback transmission with low insertion loss and high return loss, fully compatible with QSFP-DD, OSFP high-speed modules, as well as MPO-port switches, routers and optical transmission equipment.
100% factory pre-terminated and tested to meet ICE, ISO and ROHS standards, they cover full multimode (OM1-OM5) and single-mode (OS1-OS2) fiber types, supporting 12/24/36-core mainstream MPO configurations with customizable specifications. With a compact, dust-proof, compression and tensile-resistant structure, they feature excellent mechanical stability, long-term optical consistency and plug-and-play operation, being essential supporting products for data centers, optical equipment manufacturing and network O&M scenarios.
Product Technical Advantages:
- Enables physical Tx/Rx channel loopback in a single MPO connector, with low insertion loss and high return loss.
- Fully compatible with QSFP-DD, OSFP modules and MPO-port optical transmission equipment.
- 100% factory pre-terminated and tested to meet ICE, ISO and RoHS standards.
- Covers OM1-OM5 multimode and OS1-OS2 single-mode fibers, supporting 12/24/36-core MPO configurations with customizable specifications.
- Features compact, dust-proof, compression & tensile-resistant structure, with excellent mechanical stability and plug-and-play operation.
Typical Structural Parameters：
| Model and Grade | Standards | Low Loss | ||||
| Connector Type | Transmission Mode | End Face Type | IL(dB) | RL(dB) | IL(dB) | RL(dB) |
| MPO Connector | Single-mode | APC | ≤0.50 | ＞65 | ≤0.30 | ＞65 |
| UPC | ≤0.50 | ＞55 | ≤0.30 | ＞55 | ||
| Multi-mode | PC | ≤0.35 | ＞30 | ≤0.25 | ＞35 | |
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