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Item #:
20278172
CableRack MTP/MPO Fiber Optic Loopback Test Cable for Multimode OM3 OM4 OM5
88% of respondents would recommend this to a friend
Item #:
20278172
SAR 177
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What Stands Out
High Performance
Designed for optimal signal transmission, the OM3 and OM4 loopback adapter ensures minimal loss and enhanced testing efficiency for fiber optic applications.
Versatile Compatibility
Compatible with multiple devices, this loopback adapter simplifies fiber cable testing across various systems, making it an ideal choice for technicians and engineers.
Durable Design
Constructed with high-quality materials, this adapter provides robust durability under different conditions, ensuring reliable performance and long-lasting use in fiber optic testing environments.
Product Details
| Connector Type | Optical |
| Cable Type | Fiber Optic |
| Compatible Devices | PC |
| Other Special Features of the Product | Compact |
| Connector Gender | Male-to-Male |
| Recommended Uses For Product | testing and troubleshooting fiber optic transceivers and optic performance in datacenters or wiring closets |
| Indoor Outdoor Usage | Indoor |
| Unit Count | 1 Count |
| Number of Items | 1 |
| Brand Name | CableRack |
| Model | JBX18122 |
| Manufacturer | CableRack |
| UPC | 848243001275 |
| Part Number | JBX18122 |
| Color | MTP MM |
| Item Shape | Round |
| Brand | CableRack |
| Special Feature | Compact |
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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Network Engineers
Essential tool for testing and troubleshooting fiber optic networks, ensuring optimal performance and connectivity.
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Data Center Technicians
Ideal for verifying optical paths in data centers, making it easier to manage and scale fiber infrastructure.
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Telecommunications Providers
Useful for telecom companies needing reliable testing methods for multimode fibers, ensuring service reliability.
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Home Users
Not suitable for residential users who typically do not require extensive fiber testing capabilities.
Product Description
CableRack MTP/MPO Fiber Optic Loopback Test Cable for Multimode OM3 OM4 OM5
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is an LC Fiber Optic Multimode Loopback Adapter?
Answer: An LC Fiber Optic Multimode Loopback Adapter is a device designed to connect the transmit and receive ports of a fiber optic network interface together. This allows for the testing of network devices by enabling a signal to loop back on itself. These adapters are commonly used in network troubleshooting, certification, and performance testing, making it easier to verify the integrity and performance of fiber optic cables. -
Question:
How do I use the LC Fiber Optic Loopback Adapter for testing?
Answer: To use the LC Fiber Optic Loopback Adapter for testing, simply insert it into the LC port of your network device. It will automatically route the transmitted signal back to the receiving port. This facilitates easy verification of network equipment functionality, helping you identify if the issue lies within the cable or the device itself. It’s particularly useful for network administrators conducting maintenance or upgrades. -
Question:
Can I use an OM3 adapter with OM4 fiber cables?
Answer: Yes, OM3 adapters can be used with OM4 fiber cables without any issues. OM3 and OM4 fibers are both designed for similar multimode applications, allowing data transfer over shorter distances at high speeds. This compatibility ensures flexibility in network setups, accommodating various cable types while maintaining optimal performance in data transmission and network testing. -
Question:
What are the key benefits of using loopback adapters in network testing?
Answer: The key benefits of using loopback adapters include simplified troubleshooting, easy verification of optical interfaces, and cost-effective testing methods. They enable network engineers to quickly identify issues without additional devices, streamlining the testing process. Loopback adapters are particularly beneficial in data centers where rapid testing of multiple connections is necessary to ensure system reliability. -
Question:
Is the LC Fiber Optic Loopback Adapter compatible with all devices?
Answer: The LC Fiber Optic Loopback Adapter is compatible with any device that has an LC port, commonly found in switches, routers, and network interface cards. Just ensure that the specifications of your network device align with the adapter type, and you'll be able to use it effectively. This broad compatibility makes it an essential tool for IT professionals and network technicians. -
Question:
What are the differences between OM3 and OM4 multimode fiber?
Answer: The primary differences between OM3 and OM4 multimode fiber relate to their transmission capabilities. OM3 fiber supports data transmission up to 10 Gbps at lengths of 300 meters, while OM4 can handle the same speed over 400 meters. This ensures that OM4 is more efficient for longer distances, making it ideal for modern data centers requiring high bandwidth over extended lengths. -
Question:
What testing scenarios are ideal for using a loopback adapter?
Answer: Ideal testing scenarios for a loopback adapter include equipment installation, performance benchmarking, and diagnosing connectivity issues. For example, after installing new hardware, a loopback test can confirm all connections are functioning correctly. Additionally, during routine maintenance checks, these adapters can help verify network performance levels, making them indispensable tools for network health assessments. -
Question:
What are common issues detected with loopback adapters?
Answer: Common issues detected with loopback adapters include faulty fiber connections, incorrect port configurations, and equipment malfunctions. By implementing a loopback test, network technicians can quickly identify if the issue lies within the fiber optic cables or the connected devices. This proactive problem-solving can save time and resources during network management and troubleshooting sessions. -
Question:
Can I buy the LC Fiber Optic Multimode Loopback Adapter in Saudi Arabia?
Answer: You can purchase the LC Fiber Optic Multimode OM3 OM4 Loopback Adapter at Ubuy. They offer a range of fiber optic products suited for various networking needs. Ubuy provides a reliable platform where you can browse different types of adapters and read customer reviews to help you make an informed purchase. Explore their selection to find the right adapter for your projects. -
Question:
Are loopback adapters reusable?
Answer: Yes, loopback adapters are reusable. Once deployed for testing, they can be removed and used again for additional tests as needed. Their durability makes them a practical choice for network engineers who need to perform multiple test setups. Just ensure that after each use, the adapter remains clean and undamaged to maintain optimal performance during future testing.
CableRack Optical Editorial Review
The MTP/MPO Fiber Optic Loopback Test Cable for Multimode OM3 OM4 OM5 is a great product for those working with fiber optic cables. It does everything an MPO loopback should do, and it comes at a great price. The product is easy to use and carry, making it an essential tool for those who regularly work with fiber optic cables. However, it is important to note that these are standard footprint and not SC footprint, so they may not fit into certain keystones, like the CommScope keystones. Overall, the MTP/MPO Fiber Optic Loopback Test Cable is a reliable product that performs well and is priced attractively.
Customer Reviews & Ratings
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Pros
- Performs all necessary functions of an MPO loopback
- Easy to use and carry
- Affordable price
Cons
- Not compatible with SC footprint, may not fit certain keystones
Platform Trust & Buyer Confidence
MA
Mekki
Verified buyer
“Arrive before time, excellent products”
9 July 2026 · via Trustpilot
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Farrah
Verified buyer
“A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”
25 June 2026 · via Trustpilot
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Anila
Verified buyer
“Good experience of shopping through Ubuy.”
16 June 2026 · via Trustpilot
MG
Mohamed
Verified buyer
“We feel very good about the delivery time, and the materials we received matched our order.”
14-Jul-26 · via Trustpilot
E
Essam
Verified buyer
“Perfect service and fast delivery.”
16-Jul-26 · via Trustpilot
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Features & Benefits
- Quickly test fiber transceivers at 1GB, 10GB and 100GB rates
- Ensure accurate performance evaluation and documentation
- Durable multimode fiber loopback
- LC duplex snaplock connector is standard on SFP modules
- Reduce insertion loss during testing with PC polish
- OM4 optical glass is backwards compatible with older media types
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