ASK nano
User Manual
25
● LC
：
(Lucent Connector) is a small factor connector (uses only a 1.25mm ferrule diameter) that has a
snap coupling mechanism. Because of its small dimensions, it is the perfect fit for high-density
connections, XFP, SFP, and SFP+ transceivers.
● FC
:(Ferrule Connector) is a screw type connector with a 2.5mm ferrule. FC is a round shaped
threaded fiber optic connector,mostly used on Datacom, telecom, measurement equipment,
single-mode laser.
● ST:
(Straight Tip) was invented by AT&T and uses a bayonet mount along with a long spring-loaded
ferrule to support the fiber.
● USB:
Universal Serial Bus is a standard that was developed in the mid-1990s that defines cables,
connectors and communication protocols. This technology is designed to allow a connection,
communication and power supply for peripheral devices and computers.
● USB 1.1
: Full–Bandwidth USB, specification was the first release to be widely adopted by the
consumer market. This specification allowed for a maximum bandwidth of 12Mbps.
●USB 2.0
:or Hi–Speed USB, specification made many improvements over USB 1.1. The main
improvement was an increase in bandwidth to a maximum of 480Mbps.
● USB 3.2:
Super Speed USB with 3 varieties of 3.2 Gen 1(original name USB 3.0), 3.2Gen 2(original
name USB 3.1), 3.2 Gen 2x2 (original name USB 3.2) with speed up to 5Gbps,10Gbps,20Gbps
respectively.
USB version and connectors figure:
Type A
Type B
Mini A Mini
B
Micro-A
Micro-B
Type C
USB 2.0
USB 3.0
USB 3.1&3.2
●
NTSC :
The colour video standard used in North America and some other parts of the
world created by the National Television Standards Committee in the 1950s. NTSC utilizes
an interlaced video signals.
●
PAL:
Phase Alternate Line. A television standard in which the phase of the colour carrier is alternated
from line to line. It takes four full images (8 fields) for the colour-to-horizontalimages (8 fields) for the
colour-to-horizontal phase relationship to return to the reference point. This alternation helps cancel