Senko MPO-8 to 4xLCUPC Duplex Harness 8 Fibers OM4,Type B, Plenum(OFNP) Aqua
Tags：MPO,MTP,Fiber Optic Patchcord,Data Center Cabling, QSFP
Features
IL&RL Test
3D Test
Polarity Test
Wholesale Pirce
Optical Parameters
| Type | SM | MM | ||||
| (APC Polish) | (UPC Polish) | (PC Polish) | ||||
| Fiber Count | 12,24,48 | 12,24,48 | 12,24,48 | |||
| Fiber Type | G652D,G657A1 | G652D,G657A1 | OM3,OM4 | |||
| Maximum Insertion Loss | Typical | Standard | Typical | Standard | Typical | Standard |
| Low Loss | Low Loss | Low Loss | ||||
| ≤0.35 dB | ≤0.75dB | ≤0.35 dB | ≤0.75dB | ≤0.35 dB | ≤0.60dB | |
| Return Loss | ≥60 dB | ≥60 dB | NA | |||
| Durability | ≥500 times | ≥500 times | ≥500 times | |||
| Operating Temperature | -40℃ ~ +75℃ | -40℃ ~ +75℃ | -40℃ ~ +75℃ | |||
Polarity of MPO-8 to 4x LC UPC Duplex Breakout Cable
In 2026, most harness cables use Type B (Crossover) polarity. This ensures that the “Talk” fiber on the MPO side connects to the “Listen” fiber on the LC side, allowing data to flow correctly.
Environmental Parameters
Parameter Test Method Conditions
Temperature Change IEC61300-2-22 High Temperature: +75°C
GR-326-CORE Lowest Temperature: -40°C
168 Hours, 21 cycles
Application of MPO-8 to 4x LC UPC Duplex Breakout Cable
- 40G QSFP+ to 4 x 10G SFP+ breakout
- 100G QSFP28 to 4 x 25G SFP28 breakout
- Spine-leaf data center interconnection
- High-density fiber patching
- Server and storage network links
- MPO transceiver to LC patch panel connection
What is MPO-8 to 4xLCUPC Duplex Harness Cable?
An MPO-8 to 4x LC UPC Duplex harness cable (also known as a breakout or fan-out cable) is a high-density optical assembly used to bridge the gap between high-speed parallel networks and standard duplex hardware.
This cable features a single MPO-8 connector on one end and four duplex LC UPC connectors on the other. It is specifically designed to utilize 8 fibers (leaving the middle 4 of a standard 12-fiber MPO empty) to perfectly match the 8-fiber requirements of 40G and 100G transceivers.
- 8-Fiber Configuration: Optimized for QSFP+ (40G) and QSFP28 (100G) transceivers, ensuring no fibers are wasted.
- UPC Polish: “Ultra Physical Contact” (blue/aqua connectors) ensures low insertion loss (dB) and high return loss.
- Plug-and-Play: Factory-terminated and tested to eliminate the need for field splicing or specialized tools.
- Space Saving: Consolidates 8 fibers into a single MPO port, significantly reducing cable clutter in high-density racks.
- Polarity Options: Typically available in Type B (Crossover) to ensure proper Tx/Rx communication between different equipment types.
- Port Breakout: Splitting a single 40G QSFP+ port into 4x 10G SFP+ connections.
- 100G Migration: Breaking down a 100G QSFP28 port into 4x 25G SFP28 links for servers or storage.
- Data Center Spine-Leaf: Connecting high-bandwidth Spine switches to multiple lower-bandwidth Leaf switches.
- High-Density Patching: Connecting MPO-based backbone cabling to existing LC-LC patch panels or legacy hardware.
A: Most 40G/100G transceivers only use 8 fibers (4 to transmit, 4 to receive). Using an MPO-8 cable aligns perfectly with the hardware, preventing “dark” (unused) fibers in your infrastructure.
A: If you are plugging directly into a transceiver (like a QSFP), you almost always need a Female (Unpinned) connector. Male (Pinned) is typically used for connecting to other cables or panels.
A: UPC (Blue/Aqua) has a flat polish and is standard for most data centers. APC (Green) has an 8-degree angle polish and is used mostly in single-mode networks (FTTH/GPON) to minimize back-reflection.
A: Yes, but it depends on the transceiver. Many 400G DR4 transceivers use an MPO-8 or MPO-12 interface that can be broken out into 4x 100G LC connections using this same harness style.
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