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7-Porrt US
SB Huub fo
or Rasspberrry Pii
Copyrigh
ht © 2014 UUGear s.r.o
o. All rights reserved.
1
Tab
ble of Con
ntent 7-Port USB Hu
ub for Raspb
berry Pi ................................................................................. 1 Introductio
on ............................................................................................................ 3 Product Overview................................................................................................... 3 Features ................................................................................................................. 4 Specificatiions ......................................................................................................... 5 Package Content
C
................................................................................................... 6 Power Mode Configuration .................................................................................... 6 Bus-P
Power Mode
e ............................................................................................ 6 Self-P
Power Mode
e ............................................................................................ 7 Connect th
he Hub with
h Raspberryy Pi ....................................................................... 9 Place the hub ab
bove Raspberry Pi ............................................................... 10 Place the hub un
nder Raspbe
erry Pi ................................................................. 11 Place the hub an
nd Raspberrry Pi on the same plane .................................... 11 2
Inttroductio
on
Thiss 7-Port US
SB hub is designed forr Raspberry
y Pi, and allows you to
o connect up
u to
seven USB devvices to a single USB port
p on the board.
b
This device com
mplies with USB
U
ons and is compatible
c
with all USB 1.1 and 2.0
2 devicess. You can even
e
2.0 specificatio
her to support up to 12
27 devices through a ssingle USB port
stacck multiple hubs togeth
on Raspberry
R
P
Pi.
The
e hub has exxactly the same
s
PCB size
s
with Ra
aspberry Pi,, and could be mounted on
Rasspberry Pi in various ways. All USB ports and power supply arre wired to
o pin
hea
aders, thus you
y could re
elocate the USB ports and power the hub via
a any interfa
ace.
Alth
hough this USB
U
hub is suppose to
o be used on Raspberrry Pi, it workks well with any
com
mputer that has
h a USB port.
Pro
oduct Overview
O
w
7
1
6
2
3
5
4
1)
DC 5V pow
wer in
2)
Upstream USB port
3)
Downstrea
am USB porrt 1~7 with LED
L
indicattor aside
3
4)
Power mod
de jumper
5)
Pin header for DC 5V
V power in
6)
Pin headers for all upstream/dow
wnstream USB ports
7)
LED powe
er indicator
Fe
eatures
z
USB 1.1 and 2.0 compatible
z
Multiple Trransaction Translator
T
(M
MTT)
What is Multiple
M
Tran
nsaction Tra
anslators (M
MTT)?
A USB hu
ub has two choices
c
for organizing Transaction
n Translatorrs (TTs). A hub
h
could havve one TT fo
or all downsstream facin
ng ports that have full-/low-speed devices
d
attached (which is ca
alled Single Transaction Translator, STT), or tthe hub cou
uld have
or each dow
wnstream faccing port (w
which is calle
ed Multiple Transaction
n
one TT fo
Translator, MTT) .
For Single
e Transactio
on Translato
or (STT), co
onnecting one
o USB 1.1
1 device to the
t hub
will force all ports to process data with USB
B 1.1 standa
ard, thus slo
owing down
n all the
o the hub. While for Multiple Tra
ansaction Trranslator (M
MTT), each
devices on
downstrea
am port of the
t hub hass its own tra
ansaction tra
anslator to p
provide the best
USB perfo
ormance no
o matter wh
hat class of USB device
e is connectted it.
So MTT iss much bettter than STT
T, if the high
her price is acceptable
e.
z
Has same PCB size with
w Raspbe
erry Pi
z
Stackable and Mounta
able via cop
pper cylinde
ers and scre
ews
z
Plug and Play
P
z
Connect up to 7 high powered de
evices at on
nce
z
1 LED to in
ndicate pow
wer supply
z
7 LEDS to indicate ind
dividual porrt activity
z
Per port ovver-current detection and
a protectio
on
4
z
Support bo
oth self-pow
wer and buss-power mod
des
What are those
t
Powe
er Modes?
A USB hub
b could be powered
p
byy the USB bus (bus-pow
wer mode), or be powe
ered by
power ada
apter (self-power). Bus--power mod
de is simple
er as it doess no need to
o have
external po
ower adapte
er, but it hass quite limitted ability to
o power the devices on
n the
hub (maxim
mum 500mA
A for all porrts). When you
y are tryin
ng to powerr more devic
ces
with higherr current, it is better to use the sellf-power mo
ode, which ccould provid
de
maximum 1,000mA pe
er port, and
d the total cu
urrent is lim
mited by the power adapter.
This USB hub
h supporrts both bus-power mod
de and self--power mod
de. Please read
r
the “Powerr Mode Con
nfiguration” clause to get more dettails.
Sp
pecificatiions
Dim
mension:
85.60mm
m x 56mm x 10mm
Weiight
36g
Stan
ndards
USB Specification Revision
R
2.0
0 and 1.1 compatibility
y
USB v1..1: 12 Mbps
s
Data Speed
USB v2..0: 480 Mbp
ps
Upstream: 1
USB
B Ports
Downstrream: 7
Power: 1
LED
D Indicatorss
Port Activity: 7
Pow
wer Mode
Bus-Pow
wer / Self-Power
Outtput Voltage
e
DC 5V
Bus-Pow
wer: maximum 500mA for all portss
Outtput Currentt
Self-Pow
wer: maximum 1,000m
mA per port
5
Stattic Current
18mA
Ope
erating Tem
mperature
5℃~40℃
℃
Storrage Tempe
erature
-20℃~6
60℃
Hum
midity
0~80%R
RH, no cond
densing
Pa
ackage Content
C
z
7-Port USB
B Hub
z
USB - mini USB shortt cable
z
Two M2.5 x 18mm + 6mm
6
Coppe
er Cylinders
s
z
Two M2.5 x 11mm + 6mm
6
Coppe
er Cylinders
s
z
Two M2.5 screws
z
Two M2.5 nuts
Po
ower Mo
ode Conffiguratio
on
The
ere are two power modes for this 7-Port
7
USB hub: self-po
ower mode and bus-po
ower
mod
de. They are
a configurred by the ju
umper on board.
b
Bu
us-Power Mode
In bus-power
b
m
mode,
the hub is powerred by the USB
U
bus, an
nd does NO
OT require the
use of the AC power
p
adap
pter. The hub is provide
ed with 500m
mA for all 7 ports. This
s
quate for mice, keyboa
ards, and other low pow
wer devicess.
should be adeq
To use
u this mode, make sure to conn
nect the “Power Connection” jumper (which is
s
connected by default),
d
and
d power the
e Raspberry
y Pi via the micro-USB port on boa
ard:
6
Se
elf-Powerr Mode
In self-power mode,
m
the hu
ub is powerred by the AC
A power ad
dapter. In th
his mode, each
e to provide
e up to 1,00
00mA curren
nt, and the maximum
m
ccurrent for all
a
portt will be able
portts are decid
ded by the power
p
adapter.
To use
u self-pow
wer mode, make
m
sure to
t connect the
t AC pow
wer adapter to the
micro-USB porrt on the hub
b:
7
Whiile using the
e self-power mode, you
u could cho
oose to backkfeed powe
er to Raspbe
erry
Pi or
o not. By co
onnecting th
he “Power Connection”
C
” jumper, Ra
aspberry Pi could be
pow
wered by via
a the upstre
eam USB po
ort on the hu
ub:
8
It is the recomm
mended wa
ay to power the USB hu
ub and Raspberry Pi w
with just one
e AC
apter. If you don’t wan
nt the backffeed power, make sure
e to disconnect the “Pow
wer
ada
Con
nnection” jumper, and then
t
power the hub and Raspberrry Pi separa
ately:
Co
onnect th
he Hub with
w Rasspberry Pi
Plea
ase connecct one USB port on Rasspberry Pi to
o the upstre
eam port (m
mini-USB) on
n the
9
hub
b, with the USB
U
cable.
Pla
ace the hub
hu above
e Raspbe
erry Pi
You
u could mou
unt the hub over
o
Raspb
berry Pi, with the 17mm
m cooper cyylinders.
10
Pla
ace the hub
hu underr Raspber
erry Pi
You
u could mou
unt the hub over
o
Raspb
berry Pi, with the 11mm
m cooper cylinders.
Pla
ace the hub
hu and Raspberry
R
y Pi on th
he same plane
p
If yo
ou want to put
p everything into a slim case, yo
ou could pla
ace the hub and Raspb
berry
Pi on
o the same
e plane. In th
his case, so
ome USB po
orts on the hub
h might n
not be acces
ssed
dire
ectly from th
he case, butt you could place that port
p on the case
c
and co
onnect it to the
hub
b via the pin header.
11