What is SC LC patch cable?
SC-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. SC-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 | ||||||||
SC/APC to LC/UPC Fiber Optic Patch Cord
APC-to-UPC Hybrid Design
SC/APC 8° angled polish provides ≥60 dB return loss. LC/UPC dome polish provides ≥50 dB. One cable connects both interface types - green body identifies APC, blue identifies UPC.
Small Form Factor, High-Density LC Connection
LC 1.25 mm ferrule is half the size of SC 2.5 mm - doubles port density in SFP/SFP+/QSFP transceivers. RJ-style latch for fast plug-and-pull operation.
G.657.A1 Bend-Insensitive Fiber
10 mm minimum bend radius for tight routing in patch panels and under-floor wiring. Backward compatible with G.652.D. Supports up to 40 km at 1550 nm.
Application Solutions
Typical deployment scenarios for this SC to LC singlemode fiber patch cable.
FTTH / GPON Access Network
Connects SC/APC OLT ports to LC/UPC ONT equipment at the ODF. The PLC splitter in the distribution path also uses SC/APC interfaces.
Data Center Cross-Connect
Patches SC/APC fiber distribution panels directly to LC/UPC SFP+ transceivers in ToR switches. Supports 10GbE, 25GbE, and 100GbE.
CATV / RF over Fiber
APC end-face prevents CSO/CTB distortion in analog video. Used between headend transmitters and optical nodes in HFC networks.
Telecom Testing & Measurement
Reference-grade test cord for connecting LC/UPC OTDR test ports to SC/APC distribution frames in central offices.
Enterprise LAN Migration
Bridges legacy SC-terminated structured cabling to new LC-based switches and routers without re-termination.
WDM Multiplexing Systems
Interfaces SC/APC mux/demux ports with LC/UPC transponders in CWDM and DWDM deployments.
Products Description
Every fiber optic patch cord is 100% tested for insertion loss and return loss at 1310/1550 nm. Zirconia ceramic ferrules deliver ≤0.2 dB exchangeability through ≥1,000 mating cycles. ISO 9001:2015 certified facility. Telcordia GR-326, IEC 61300, RoHS, REACH compliant. OFNR and LSZH jacket options. Cable diameter φ0.9 / φ2.0 / φ3.0 mm. Custom lengths 0.3 m–100 m available.
Products Description
Q: What is the difference between APC and UPC on a fiber optic patch cord?
A: APC has an 8° angled end-face (≥60 dB return loss), UPC has a dome-shaped end-face (≥50 dB). GPON and CATV systems require APC at the distribution side; equipment ports like SFP transceivers use UPC. Green connector = APC, Blue = UPC.
Q: Can I plug an APC connector into a UPC adapter?
A: No. Mismatched polish creates an air gap causing >3 dB loss and ferrule damage. Always mate APC to APC, UPC to UPC. The angled key slot on SC/APC adapters prevents most accidental cross-mating.
Q: What speeds and distances are supported?
A: 100 Mbps to 100GbE. Up to 10 km at 1310 nm, 40 km at 1550 nm. Actual reach depends on transceiver optical budget and total link loss.
Q: What is the difference between a patch cord and a fiber pigtail?
A: A patch cord has connectors on both ends for plug-and-play use. A pigtail has one connector and one bare fiber end for fusion splicing to trunk cables.
Q: Can I order custom lengths or duplex versions?
A: Yes. Custom 0.3 m–100 m, lead time 3–5 days. Duplex, armored, and LSZH versions available. We also make 12-core SC/APC to LC/UPC for higher fiber count needs.
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