Fiber Optic Acronyms

SM – Single-mode
MM – Multi-mode
PL – Physical Contact
UPL – Ultra Polish Physical Contact
APL – Angled Polish Physical Contact
SC – Subscriber Connector
LC – Lucent Connector
ST – Straight Tip Connector
FC – Ferrule Connector
MT-RJ – Mechanical Transfer Registered jack
MPO – Mechanical Pull-Off
MTP – Mechanical Transfer Pull-Off
FDDI – Fiber Distributed Data Interface
ESCON – Enterprise System Connection
HSSDC – High-Speed Serial Data Connector
IB – InfiniBand
IB4X – InfiniBand 4X
SFP – Small Form-Factor Pluggable
QSFP – Quad SFP
UTP – Unshielded Twisted Pair
MFD – Mode-Field Diameter