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A patch cord is a fiber optic cable used to attach one device to another for signal routing.Normally, there are 4 types connector: FC/SC/LC/ST.. 3types ferrule: PC, UPC, APC…
FC stands for Fixed Connection. It is fixed by way of threaded barrel housing. FC connectors are generally constructed with a metal housing and are nickel-plated.
SC stands for Subscriber Connector- a general purpose push/pull style connector. It is a square, snap-in connector latches with a simple push-pull motion and is keyed.
LC patch cord is a fiber optic cable used to attach one device to another for signal routing. LC stands for Lucent Connector. It is a small form-factor fiber optic connector, half the size of the SC.
ST stands for Straight Tip- a quick release bayonet style connector. ST connectors are cylindrical with twist lock coupling. They are push-in and twist types
PC stands for Physical Contact.With the PC connector, the two fibers meet as they do with the flat connector, but the end faces are polished to be slightly curved or spherical. This eliminates the air gap and forces the fibers into contact
UPC stands for Ultra Physical Contact.The end faces are given an extended polishing for a better surface finish. These connectors are often used in digital, CATV, and telephony systems.
APC stands for Angled Physical Contact The end faces are still curved, but they’re angled at an industry-standard eight degrees. This maintains a tight connection. These connectors are preferred for CATV and analogue systems.
Technical specifications:
| Item | Unit | LC/SC/FC/ST Fiber Patch Cord | ||||
| SM | MM | |||||
| Fiber Diameter | um | 9/125 | 65.5/125 | 50/125 | ||
| Endface Type | PC | UPC | APC | PC | PC | |
| Insertion Loss | db | ≤0.2 | ≤0.15 | ≤0.2 | ≤0.1 | ≤0.1 |
| Return Loss | db | ≥45 | ≥50 | ≥60 | - | - |
| Insert-pull Test | db | ≤0.2 | ≤0.2 | ≤0.3 | ≤0.15 | ≤0.15 |
| Interchangeability | db | ≤0.1 | ≤0.1 | ≤0.15 | ≤0.1 | ≤0.1 |
| Temperature Range | ℃ | -40~+80 | ||||
According to the optical fiber jumper transmission media can be
divided into different common silica fiber single-mode and
multimode jumpers, and other such as the plastic optical fiber
jumper as transmission medium; according to the joint structure can
be divided into: FC, SC, ST jumper jumper jumper jumper, LC, MTRJ,
MPO, MU jumper jumper jumper jumper, SMA, FDDI, E2000, DIN4 jumper
jumper jumper jumper, D4 and so on in various forms.
The fiber optic patch cord mainly used on patch panel or for the connection between outlets and terminal equipment.It also widely used for high bit rate data transmission,telecommunications,tesing instruments,active device terminations,LAN/WAN and FTTX.
Features:
---Good durability
---Good exchangeability
---High temperature stability
---Low insertion loss and back reflection loss
---Superior Quality Standard PC/UPC/APC Polishing
---Standard: Telcordia GR-326-CORE, TIA/EIA and IEC
Applications:
Gigabit Ethernet; Active device termination; Telecommunication
networks; Video;
Multimedia; Premise installations; Local area networks; FTTH FTTX
applications; CATV.
