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UUGear Zero4U User Manual

4-port usb hub for raspberry pi zero
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Table of Contents

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Zero4U
4-Port USB Hub for Raspberry Pi Zero

User Manual

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Copyright!©!2016!UUGear!s.r.o.! ! All!rights!reserved.!

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Summary of Contents for UUGear Zero4U

  • Page 1: User Manual

    ! ! ! ! ! ! ! ! ! ! ! Zero4U 4-Port USB Hub for Raspberry Pi Zero User Manual Copyright!©!2016!UUGear!s.r.o.! ! All!rights!reserved.!

  • Page 2: Table Of Contents

    ! ! ! ! ! ! ! ! ! ! ! Table!of!Content! Product!Overview!....................!1 Package!Content! ....................!2 Specifications!.......................!3 About!Powering!Mode!..................!4 SelfHPower!Mode!..................!4 BusHPower!Mode!..................!4 Usage!Guide!......................!5 Copyright!©!2016!UUGear!s.r.o.! ! All!rights!reserved.!

  • Page 3: Product!Overview

    ! ! ! ! ! ! ! ! ! ! ! Product!Overview! Zero4U!is!a!4HPort!USB!hub!designed!for!Raspberry!Pi!Zero.!It!extends!the!only!data! micro! USB! port! on! Raspberry! Pi! Zero! and! gives! you! 4! standard! USB! ports,! which! allows!you!to!connect!more!USB!devices!to!your!Raspberry!Pi!Zero.! The!board!size!of!this!USB!hub!is!exactly!the!same!with!Raspberry!Pi!Zero,!and!can! be!firmly!attached!under!Raspberry!Pi!Zero!backHtoHback.!There!are!4!pogo!pins!on! the!USB!hub!board!and!they!will!attach!the!+5V,!GND,!USB!D+!and!USB!DH!testing! pad!at!the!back!of!Raspberry!Pi!Zero,!so!you!don’t!either!need!soldering!wires,!or!the! USBHOTG!cable!and!USB!–!mini!USB!cable!to!connect!the!USB!hub!and!Raspberry! Pi!Zero.! Although!it!is!designed!for!Raspberry!Pi!Zero,!you!can!still!use!it!as!a!normal!USB!hub! for!other!models!of!Raspberry!Pi,!or!any!computer!that!has!USB!port.! The!figure!below!shows!how!the!USB!hub!looks!like:!

  • Page 4: Package!Content

    ! ! ! ! ! ! ! ! ! ! ! 1~4)! Downstream!USB!ports! 5~8)! White!LEDs!as!activity!indicators! 9)! Two!pogo!pins!at!back!for!data!connection! 10)! Alternative!DC!5V!power!in! 11)! Two!pogo!pins!at!back!for!power!connection! 12)! Blue!LED!as!power!indicator! 13)! Upstream!USB!port! Package!Content! Each!package!of!this!USB!hub!contains:! !! 4Hport!USB!hub!board!x!1! !! Plastic!standoff!x!4! !! M2.5!x!10mm!screws!x!4! !! M2.5!nuts!x!4!

  • Page 5: Specifications

    ! ! ! ! ! ! ! ! ! ! ! Specifications! Dimension:! ! 65mm!x!30mm!x!9mm! Weight! 14g!(net!weight!without!any!accessory)! USB!Specification!Revision!2.0!and!1.1!compatibility! Standards! Single!Transaction!Translator!(STT)! USB!v1.1:!12!Mbps! Data!Speed! USB!v2.0:!480!Mbps! Upstream:!1!(miniHUSB!or!via!pogo!pins)! USB!Ports! Downstream:!4! Power:!1!(blue)! LED!Indicators! Port!Activity:!4!(white)! On!Raspberry!Pi!Zero:!SelfHPower! Power!Mode! On!Other!Models:!BusHPower!or!SelfHPower! Output!Voltage! DC!5V! BusHPower:!maximum!500mA!for!all!ports! Output!Current! SelfHPower:!maximum!2A!for!all!ports! Static!Current! ~1mA! Operating!Temperature! 0 ~70 ! Storage!Temperature! H20 ~80 !

  • Page 6: About!Powering!Mode

    ! ! ! ! ! ! ! ! ! ! ! About!Powering!Mode! A!USB!hub!could!be!powered!by!the!USB!bus!(busHpower!mode),!or!be!powered!by! the!power!supply!(selfHpower!mode).!BusHpower!mode!is!simpler!as!it!does!not!need! to!have!external!power!supply,!but!it!has!quite!limited!ability!to!power!the!devices!on! the! USB! hub.! When! you! are! trying! to! power! more! devices! with! higher! current,! it! is! recommended!to!use!the!selfHpower!mode.! This!USB!hub!supports!both!busHpower!mode!and!selfHpower!mode.! SelfIPower!Mode! This!USB!hub!in!selfHpower!mode!can!output!up!to!2,000mA!current!for!all!USB!ports.! When!you!attach!this!USB!hub!to!Raspberry!Pi!Zero,!it!will!take!power!from!the!Zero! and!work!in!selfHpower!mode.! If! you! use! a! USB! H! mini! USB! cable! to! connect! this! USB! hub! to! other! models! of! Raspberry! Pi,! and! you! connect! power! supply! to! the! USB! hub! (via! the! white! JST! XH2.54! 2Hpin! connector! on! board),! then! it! is! still! working! in! selfHpower! mode.! For! Raspberry!Pi!A,!B!or!A+,!it!will!also!backHpower!the!Raspberry!Pi,!unless!you!remove!

  • Page 7: Usage!Guide

    ! ! ! ! ! ! ! ! ! ! ! Usage!Guide! To!attach!this!USB!hub!to!Raspberry!Pi!Zero,!simply!put!them!backHtoHback!together! and!place!the!plastic!standoff!between!them,!then!use!the!plastic!screws!and!nuts!to! firmly!fix!the!4!corners.! Please!make!sure!to!attach!in!the!correct!direction,!so!the!4!pogo!pins!on!the!USB! hub!can!accurately!contact!to!the!PP1,!PP6,!PP22!and!PP23!testing!pads!on!the!back! of!Raspberry!Pi!Zero.! Now!you!can!connect!power!supply!to!Raspberry!Pi!Zero,!either!micro!USB!port!will! do,!then!you!will!see!both!Raspberry!Pi!Zero!and!the!USB!hub!are!powered.!If!you! plug!a!USB!device!into!any!of!the!4!USB!ports,!the!port!activity!LED!(white)!will!light! up.! Remarks:!this!USB!hub!has!only!one!transaction!translator!(TT)!for!all!downstream! USB!ports.!Please!try!not!to!connect!any!USB!1.1!device!to!the!USB!hubi!otherwise! all!devices!on!the!hub!will!be!slowed!down!to!the!USB!1.1!speed!(12!Mbps).!If!you! only!connect!USB!2.0!devices!to!this!USB!hub,!all!of!devices!on!the!hub!can!work!with! USB!2.0!high!speed!(480!Mbps),!if!they!support!USB!2.0!standard.! If! you! want! to! connect! this! USB! hub! to! other! Raspberry! Pi! models,! you! will! need! a! USB!H!mini!USB!cable!(not!included!in!the!package).!
  • Page 8 ! ! ! ! ! ! ! ! ! ! ! In! the! picture,! the! power! supply! is! connected! to! Raspberry! Pi,! and! the! USB! hub! is! powered!by!the!USB!bus.!This!will!limit!the!output!current!to!500mA!for!all!USB!ports! on!the!hub.! If! you! also! connect! an! alternative! power! supply! to! the! USB! hub! (via! the! white! connector!on!board),!the!USB!hub!will!work!in!selfHpower!mode!and!it!can!output!up!to! 2A!current!for!USB!ports.!

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