What is LC LC patch cable?
LC-LC fiber optic patch cord is a small compact patch cable very popularly used in many applications. These network solutions include telecommunication networks, LANs, data processing networks, device terminations and premises distributions. LC-LC patch cords are designed to deliver fast Ethernet solutions in Gigabit applications and ATM applications with less space consumption.
Specification
| Parameter | Unit | FC, SC, LC/ Armoured fiber patch cord | ST, MU | MT-RJ, MPO | E2000 | ||||||||
| SM | MM | SM | MM | SM | MM | SM | |||||||
| PC | UPC | APC | PC | PC | UPC | PC | PC | UPC | PC | PC | APC | ||
| Insertion loss(typical) | dB | ≤0.3 | ≤0.2 | ≤0.3 | ≤0.2 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.3 | ≤0.2 | ≤0.2 | ≤0.3 | ≤0.3 |
| Return loss | dB | ≥45 | ≥50 | ≥60 | ≥30 | ≥45 | ≥50 | ≥30 | ≥45 | ≥50 | ≥35 | ≥55 | ≥75 |
| Operating wavelength | nm | 1310, 1510 | 1310, 1510 | 1310, 1510 | 1310, 1510 | ||||||||
| Exchangeability | dB | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||||||||
| Vibration | dB | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||||||||
| Operating temperature | ℃ | -40~75 | -40~75 | -40~75 | -40~75 | ||||||||
| Storage temperature | ℃ | -45~85 | -45~85 | -45~85 | -45~85 | ||||||||
| Cable diameter | mm | φ3.0, φ2.0, φ0.9 | φ3.0, φ2.0, φ0.9 | φ3.0, φ2.0, φ0.9 | φ3.0, φ2.0, φ0.9 | ||||||||
Features
Meets Growing Demands for SFF Solutions
LC connectors are manufactured with only a 1.25mm diameter ferrule which is a great advantage for densely populated fiber optic network. The LC connector is manufactured under the standard IEC 61754-20 for high density connections such as in SFP, XFP and SFP+ transceivers.
Singlemode or Multimode LC-LC, Riser or Plenum Rated
We supplies LC-LC fiber optic cable assemblies with single mode and multimode options, with single mode (9/125 OS1, OS2), duplex and multimode (50/125 and 62.5/125) options. You can choose if it's for riser application or plenum connections or if you want it to be completely customized, you can contact us to know more about our OEM/ODM service for LC-LC patch cords.
Easy and Convenient Pull Out
Built with a conveniently snap in configuration, LC-LC connections are equipped with locking mechanisms that are similar to the retaining tab of an RJ45 connector. Now it's easy to connect and disconnect the connector from the device. The locking tabs are injection-molded with enhanced durability in resisting pulls, strains, snags, and impacts during cabling installs and maintenance.
Safe and Tested Fiber Assembly with Low Insertion Loss
Our patch cords are 100% optically inspected and tested to bring low insertion loss not exceeding 0.02 dB.
Applications
Color-Coded Data Center Cable Management
Black simplex LC fiber cables provide visual distinction in environments where color-coding aids in rapid fault isolation. Network operations teams managing thousands of patch connections use black-jacketed LC UPC cords to designate specific VLANs, out-of-band management links, or reserved test ports.
SFP and SFP+ Transceiver Patching
The 1.25mm small form factor ferrule of this LC simplex cable matches the compact port density of SFP, SFP+, and XFP optical modules. Engineers deploying high-density switches with 48-port SFP+ line cards rely on slim black LC patch cords to minimize cable bundle diameter. For the mating side of these transceivers, LC duplex fiber optic adapters for high-density panel installations are the standard interface component.
Broadcast Routing and Master Control Rooms
Television facilities often standardize on black fiber jumpers for video router tie lines to reduce visual clutter under studio lighting. The simplex LC UPC design suits unidirectional SDI-over-fiber paths where only a single transmit or receive strand is required.
Laboratory and Test Bench Instrumentation
Optical test engineers connect OTDR units, optical power meters, and spectrum analyzers using black LC simplex patch cables that stand out against colored reference fibers. The low 0.2dB insertion loss specification ensures minimal measurement uncertainty during calibration.
Secure Government and Financial Networks
Facilities with strict cable identification policies deploy black LC singlemode patch cords on classified or sensitive network segments. The non-standard color prevents accidental cross-connection with general-purpose yellow singlemode cabling.
Outdoor-to-Indoor Demarcation Points
Technicians terminating outdoor armored cables at building entry points often transition to black indoor simplex LC jumpers before patching into the main distribution frame. The color contrast clearly marks the demarcation between external plant and premises cabling.
FAQ
Q1: Why choose a black jacket instead of standard yellow for a singlemode LC patch cable?
A: Black LC simplex cables serve specialized cable management needs. Data center operators use them to visually separate management traffic, test circuits, or secure network segments from production yellow singlemode links.
Q2: Is this simplex LC UPC cable compatible with duplex SFP+ transceivers?
A: SFP+ modules feature separate TX and RX ports, each accepting a simplex LC connector. A pair of black LC simplex patch cords can replace a single duplex cable when independent routing of transmit and receive paths is preferred.
Q3: What does the 1.25mm ferrule size mean for port density?
A: The 1.25mm ceramic ferrule is half the diameter of SC or FC connectors, allowing twice the port count in the same panel space. High-density LC patch panels accommodate 72 or 144 ports in a single rack unit. For a deeper comparison of how LC stacks up against larger-format connectors in dense environments, see high-density LC fiber connector solutions for data center and enterprise cabling.
Q4: How does the pull-tab locking mechanism simplify maintenance?
A: The injection-molded latch on each LC UPC connector releases with a simple thumb press, similar to an RJ45 plug. Technicians servicing congested patch panels appreciate the tool-free disconnect that reduces accidental fiber damage.
Q5: What insertion loss can I expect from this black LC simplex singlemode cable?
A: Factory testing guarantees insertion loss of ≤0.2dB per mated connector pair. This tight tolerance preserves optical power budget across long cascaded links in telecommunications carrier networks.
Q6: Is the black jacket material LSZH or PVC?
A: Both jacket options are available. Specify LSZH for indoor plenum or riser environments where fire code compliance requires low-smoke, halogen-free materials. PVC jackets suit general-purpose rack patching.
Q7: Can I order custom lengths for rack-to-rack simplex runs?
A: Yes. OEM simplex LC singlemode cables are available in lengths from 0.5 meters to 100 meters. Bulk purchasers sourcing black fiber patch cords for large deployments receive volume pricing.
Q8: Does the black color affect optical performance?
A: No. Jacket pigmentation does not influence the internal fiber or connector polish. The black simplex LC UPC cable meets identical insertion loss and return loss specifications as yellow equivalents. If you are also evaluating connector format differences, the practical differences between LC and SC fiber optic patch cord connectors covers the key trade-offs for common deployment scenarios.
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