Fiber Optic Jumper/Patch Cord ST-LC 50&62.5/125 Mm Dx

ST stands for Straight Tip - a quick release bayonet style Connector developed by AT&T. STs were predominant in the late 80s and early 90s.

LC stands for Lucent Connector. The LC is a small form-factor Fiber optic connector.
The LC Connector uses a 1.25 mm ferrule, half the size of the ST. Otherwise; It is a standard ceramic Ferrule connector. The LC has good performance and is highly favored for single mode.

Features:

Low insertion loss(≤ 0.20dB)and high return loss(≥ 55 dB)
Free-floating ceramic ferrule
UL-rated plastic housing and boot
Boots in a variety of colors
High precision alignment connector

Applications:

Local Area Networks (LANs) and Wide Area Networks (WANs)
Fiber Optic CATV, FTTH, FTTB, FTTP etc
Fiber Optic telecommunication systems
Transmission Mode (ATM)
Fiber Optic Backbone
Military Instrumentation