Sharp LL-P202V Handy Guide ▷ View online
Signal deterioration sample
PC
LL-S242A/
LL-P202V
Smartphone
Cables are
tangled.
tangled.
Flat shape
MicroUSB cable
MicroUSB cable
Flat shape
MicroUSB cable
MicroUSB cable
(Example)
When the flat shape USB cable is used,
the signal is degraded and data
communication error occurs affected by
the radiation of other USB cable.
the signal is degraded and data
communication error occurs affected by
the radiation of other USB cable.
-> There is no problem with the USB 2.0
standard cable in the market or the USB
cable bundled in LL-S242A/LL-P202V.
standard cable in the market or the USB
cable bundled in LL-S242A/LL-P202V.
Measuring point
* With the USB 2.0 standard cable, the cable needs
to be the twisted pair type and the shield type. The
noise from other USB cables can be shut out.
to be the twisted pair type and the shield type. The
noise from other USB cables can be shut out.
With this explanation, the sample case between the USB cables is described. However, the other type cables
and devices could affect the USB cable. And, with some cables, the cables themselves could cause the
signal degradation. In that case, replace the USB cable.
and devices could affect the USB cable. And, with some cables, the cables themselves could cause the
signal degradation. In that case, replace the USB cable.
Signal deterioration sample
(Only monitor is connected to PC)
(The monitor and the smartphone are
connected to PC)
Signal waveform
The blue part is the measured signal. When the blue parts is not overlapped on the red part, the
signal is in the normal condition to communicate with the PC.
signal is in the normal condition to communicate with the PC.
Signal is degraded and the quality cannot be guaranteed.
Cable market Signal w aveform
Model number
Appearance
Signal waveform
Cable bundled in
LL-S242A/LL-P202V
LL-S242A/LL-P202V
ELECOM 2m cable
Model number：
MPA-AMBXLP2-PN
Model number：
MPA-AMBXLP2-PN
SANWA 2m cable
Model number：
KU-SLAMCB20
Model number：
KU-SLAMCB20
The result of the investigation with the signal waveform of bundled cable and cables in the market which
supports the USB 2.0. There is no effect from other cable.
supports the USB 2.0. There is no effect from other cable.
Repeater cable
•
Func ti on outl i ne
•
Supports the standard of USB2.0 and long distance
connection
connection
•
Can be operated by bus power and the main power is
not needed.
not needed.
•
Li mi tati on of USB s tandard
•
Micro USB : Maximum 2m
•
Other USB : Maximum 5m
•
There is no standard for USB extension cable and the
operation cannot be guaranteed.
operation cannot be guaranteed.
•
Operati o n
•
In the cable, LSI is embedded which is the same as the
one in the HUB. Damped signal is increased and formed
in the cable.
one in the HUB. Damped signal is increased and formed
in the cable.
5m Repeater cable
12m Repeater cable
(Reference)
Click on the first or last page to see other LL-P202V service manuals if exist.