OM4 MPO UPC Loopback Cable – 40G/100G Fiber Optic Testing
OM4 MPO UPC Loopback Cable – 40G/100G Fiber Optic Testing
OM4 Multimode MPO UPC Loopback Cable for 40G/100G Network Testing
Keep your high-speed fiber network running at peak performance with the HpLive OM4 Multimode MPO UPC Loopback Cable. Engineered for 40G and 100G network environments, this compact loopback tester lets technicians and network engineers quickly verify the integrity of ports, SFP modules, transceivers, and cabling — all without needing a live signal from another device. Made in Mainland China.
Key Features
- Excellent Optical Performance: Precision-machined ferrules deliver an insertion loss of ≤0.6 dB and a return loss of ≥20 dB, ensuring accurate diagnostics and reliable results every test.
- Durable Construction: Built from premium ABS material with a protective casing, this loopback cable is engineered to resist bending and breakage — dependable even through rigorous, repeated testing workflows.
- Versatile Applications: Ideal for fiber optic port testing, network troubleshooting, system debugging, and equipment performance evaluation. Compatible with MPO-based SFP+ and QSFP modules.
- Wide Operating Temperature Range: Functions reliably from -40°C to +75°C, making it suitable for both indoor data centers and demanding outdoor environments.
- Compact & Ready to Use: Measuring just 6 × 2 × 6 cm and finished in sleek black, it's easy to store in a toolkit and deploy instantly on the job.
Specifications
| Part Name | MPO OM4 Multimode Fiber Optic Loopback Tester |
| Connector Type | MPO UPC |
| Fiber Type | OM4 Multimode |
| Insertion Loss | ≤0.6 dB |
| Return Loss | ≥20 dB |
| Material | ABS |
| Color | Black |
| Dimensions | 6 × 2 × 6 cm |
| Operating Temperature | -40°C to +75°C |
| Compatible Standards | 40G / 100G Networks |
| Country of Origin | Mainland China |
Package Contents
- 1 × MPO OM4 Multimode Fiber Optic Loopback Tester
Related Products You May Need
- 50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool
- Non-Contact Capacitive Water Level Sensor 3.3V–5V
- Molex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing
Note: Actual color may vary slightly from images due to monitor brightness settings. Please allow minor measurement deviations (±1–3 mm).
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What is an MPO UPC loopback cable used for?
A: An MPO UPC loopback cable is used to test and verify the functionality of fiber optic ports, transceivers, and SFP/QSFP modules. By looping the signal back to the source port, network technicians can confirm that a port is transmitting and receiving correctly without needing an active external connection — making it an essential tool for network diagnostics and system debugging.
Q: Is this loopback cable compatible with both 40G and 100G networks?
A: Yes, the HpLive OM4 Multimode MPO UPC Loopback Cable is designed to support both 40G and 100G network testing environments. Its OM4 multimode fiber construction and MPO connector type make it compatible with the high-bandwidth transceivers commonly used in modern data centers and enterprise networks.
Q: Can this cable be used outdoors or in extreme temperature environments?
A: Absolutely. This loopback cable operates reliably across a wide temperature range of -40°C to +75°C, making it suitable for both temperature-controlled indoor server rooms and challenging outdoor installations or field-testing scenarios.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.