Extreme USB USB 2.0 RG2224 User manual

USB 2.0 RG2224
4-port USB 2.0 Multimode Fiber Optic Extender
User Guide

Thank you for purchasing the USB 2.0 RG2224.
Please read this guide thoroughly.
This document applies to Part Numbers: 01-00298, 01-00299, 01-00300 and 01-00301.
FCC Radio Frequency Interference Statement Warning
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference received
including interference that may cause undesired operation.
CE Statement
We declare under our sole responsibility that the USB 2.0 RG2224, to which this declaration relates, is in
conformity with European Standard EN 55022 Class B, EN 61000 and EN 55024.
IC Statement
This Class B digital apparatus complies with Canadian ICES-003.
©2014
Document # 90-01251-A02

Contents
Introduction ................................................................................................... 3
USB 2.0 RG2224 Product Contents .............................................................................................. 3
Requirements ................................................................................................................................ 3
About the USB 2.0 RG2224 ........................................................................................................... 3
Local Extender Description .......................................................................................................... 4
Remote Extender Description ...................................................................................................... 5
Installation guide .......................................................................................... 6
Installing the Local Extender ....................................................................................................... 6
Installing the Remote Extender ................................................................................................... 6
Connecting the Local Extender to the Remote Extender .......................................................... 7
Checking the Installation ............................................................................................................. 7
Connecting a USB Device ............................................................................................................ 8
Troubleshooting ............................................................................................ 8
Specifications ................................................................................................. 11
Contacting Technical Support ...................................................................... 12
Technical Glossary ......................................................................................... 13

Introduction
The instructions in this guide assume a general knowledge of computer installation procedures, familiarity
with cabling requirements, and some understanding of USB devices.
NOTE: Notes provide additional information that could be useful.
CAUTION: Cautions provide important information about an operational requirement.
USB 2.0 RG2224 Product Contents
Your RG2224 is packaged with:
• LocalExtender
• RemoteExtender
• ACpoweradapter
• USB2.0Cable
An additional AC power adapter may be purchased for the local extender in the event that your USB port can not supply
the required 500mA current.
Requirements
To complete the installation, you will also require the following items that are not included with the product:
• USB1.1or2.0compatiblecomputer(hostcomputer)withaUSBcompliantoperatingsystem
• USB1.1or2.0compatibledevice(s)
• 2-strandberopticcablewithDuplexLCconnectors(ifusingsurfacecabling),or 2-strand fiber optic
cabling with two information outlets and two 2-strand fiber optic patch cords with Duplex LC
connectors (if using premise cabling)
The maximum length of the multimode fiber optic cable (MMF) supported by the RG2224 system, including patch
cords is 500m over OM2 (or greater), or 275m over OM1.
About the USB 2.0 RG2224
The USB 2.0 RG2224 enables users to extend beyond the standard 5m cable limit for USB peripheral devices.
With the RG2224, USB devices can be located up to 500 meters from the computer. The RG2224 is composed
of two individual units: the local extender and the remote extender.
note
note
note
3
The RG2224 includes the ExtremeUSB® suite of features:
• Transparent USB extension
• True plug and play; no software drivers required
• Works with all major operating systems:Windows®, Mac OS X®, and Linux®

Local Extender Description
The local extender connects to the computer using a standard USB cable. Power for this unit is provided by
the USB on the host computer.
Front View
Rear View
ITEM TYPE DESCRIPTION
1 Power LED (Blue) LED turns on when power is supplied.The LED light is off when no
power is supplied.
2 Link LED (Green) Indicates a valid ExtremeUSB® link is established between the
local and remote extenders.
3 Host LED (Green) Indicates that the RG2224 system is properly enumerated on the
host computer. LED blinks when in suspend state.
4 Activity LED (Amber)
Indicates activity when data transmission is active between the
local and remote extenders. LED blinks intermittently with or
without a USB device connected. When the local and remote
extenders are in suspend mode, the LED is off.
5 Power Port (optional)
Not required in normal operation. An optional 5V power supply
can be connected to the local extender to provide power if the
USB port on the host computer is not capable of delivering 500mA
to the unit.
6 USB Type B connector Used to connect the local extender to the host computer.
7 Link Port (Duplex LC) Extension link Duplex LC fiber optic transceiver port.
4
1234
5 6 7

Remote Extender Description
The remote extender provides USB Type A ports for standard USB devices.The remote extender allows you
to connect up to four USB devices directly. Additional devices may be connected by attaching USB hubs
to the remote extender.The remote extender is powered by an external AC adapter and can supply up to
500mA to each USB port.
Front View
Rear View
ITEM TYPE DESCRIPTION
1 Device Port (USB
Type A)
Accepts USB device(s).
2 Device LED
(Green/Orange)
Indicates when a USB device is connected to the Device Port. Solid
green when device is plugged in and active. Off when device is in
suspend mode or remote extender is powered off. Orange when the
remote extender detects an overcurrent condition, and the attached
USB device attempts to draw more than the 500mA current.
3 Power LED (Blue) LED turns on when power is supplied. Off when no power is supplied.
4 Link LED (Green) Indicates a valid ExtremeUSB® link is established between the local and
remote extenders.
5 Host LED (Green) Indicates that the RG2224 system is properly enumerated on the host
computer. LED blinks when in suspend mode.
6 Activity LED (Amber) Indicates activity when data transmission is active between the local
and remote extenders. LED blinks intermittently with or without a USB
device connected.When the local and remote extenders are in suspend
mode, the LED is off.
7 Power Port Connects to the AC power supply. Required on REX for proper
operation.
8 Link Port (Duplex LC) Extension link Duplex LC fiber optic transceiver port.
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Installation Guide
Fiber Optic Link Cabling
The local and remote extenders are interconnected by up to 500 meters of fiber optic cabling.Two strands
of 50/125μm (500m) MMF or 62.5/125μm (275m) MMF cabling are required.The cabling subsystem must
provide a duplex connection with crossover, and must be terminated with Duplex LC connectors at
both ends.
Installing the RG2224 System
Before you can install the RG2224, you need to prepare your site:
1. Determine where the computer is to be located and set up the computer.
2. Determine where you want to locate the USB device(s).
3. If you are using surface cabling, the RG2224 supports a maximum distance of 500m.
OR
 Ifyouareusingpremisecabling,ensurecompatibleberopticcablingisinstalledbetweenthe
 twolocations,withberopticinformationoutletslocatednearboththecomputerandtheUSB
device(s), and the total length including patch cords is no more than 500m over MMF.
Installing the Local Extender
1. Place the local extender near the computer.
2. Install the supplied USB cable between the local extender and USB port on the host computer.
Installing the Remote Extender
1. Place the remote extender near the USB device(s).
2. Plug the power adapter into a suitable AC outlet.
3. Connect the power adapter to the remote extender.
Local Extender
Computer
All USB 2.0 and 1.1 Devices
Up to 500m between extenders over multimode fiber optics
Remote Extender
6

Connecting the Local Extender to the Remote Extender
To ensureproperoperation,themaximumlengthoftheberopticcable,includingpatchcords,mustnotexceed
500 meters. The cabling must provide a duplex connection with crossover and must be terminated with Duplex LC
connectors at both ends.
With Surface Cabling
1. Plug one end of the fiber optic cabling (not included) into the Link port on the local extender.
2. Plug the other end of the fiber optic cabling into the Link port on the remote extender.
With Premise Cabling
1. Plug one end of a fiber optic patch cord (not included) into the Link port on the local extender.
2. Plugtheotherendofthepatchcordintotheberopticinformationoutletnearthehostcomputer.
3. Plug one end of the second fiber optic patch cord (not included) into the Link port on the remote
extender.
4. Plug the other end of the second patch cord into the fiber optic information outlet near the USB
device.
Checking the Installation
1. On the local and remote extenders, check that the Power, Host, and Link LEDs are on and that the
Activity LED is blinking. If the Link LED is permanently off, then the cabling between the local and
remote extedners is not installed properly or is defective.
2. ForWindowsusers(2000,XP,Vista,Windows7,Windows8),openDeviceManagertoconrmthat
the RG2224 has installed correctly. Expand the entry for Universal Serial Bus controllers by clicking
the“+”sign. If the RG2224 has been installed correctly, you should find it listed as a“Generic USB Hub”.
3. ForMacOSXusers,opentheSystemProfilertoconrmthattheRG2224hasinstalledcorrectly.
In the left hand column under Hardware, select“USB”and inspect the right hand panel. If the
RG2224 has been installed correctly, you should find it listed as a“Hub”under the USB High-Speed
Bus/USB Bus.
4. If the RG2224 is not detected correctly or fails to detect, please consult the Troubleshooting section
in this User Guide (page 8).
Check if the USB device is detected by your operating system.
To open System Profiler in Mac OS X:
Open the Finder, select Applications, then open the Utilities folder and double click on the System Profiler icon.
To open Device Manager in Windows 2000 or XP:
Right click “My Computer”then select: Properties >> Hardware tab >> Device Manager
To open Device Manager in Windows Vista or Windows 7:
Open the Start menu, right click on “Computer”then select: Manage >> Device Manager
To open Device Manager in Windows 8:
Right click on the lower left bottom corner of your screen, then select: Device Manager
note
note
7

Connecting a USB Device
1. Install any software required to operate the USB device(s). Refer to the documentation for the USB
device(s), as required.
2. Connect the USB device to the device port on the remote extender.
3. Check that the device is detected and installed properly in the operating system.
Compatibility
TheRG2224complieswithUSB1.1andUSB2.0specicationsgoverningthedesignofUSBdevices.However,
it is not possible to guarantee that all USB devices are compatible with the RG2224, as there are a number of
differentcongurationsthatmayimpacttheoperationofUSBdevicesoverextendeddistances.
Troubleshooting
The following table provides troubleshooting tips. The topics are arranged in the order in which they should
be executed in most situations. If you are unable to resolve the problem after following these instructions,
please contact technical support for further assistance.
PROBLEM CAUSE SOLUTION
All LEDs on the
local extender
are off.
•Thelocalextenderisnot
receiving power from the USB
port or the (optional) local
extender AC adapter.
1. Ensure that the USB connection between the
local extender and the host computer is properly
installed.
2. Move the USB connector to another USB port
on the host computer.
All LEDs on
remote extender
are off.
•Theremoteextenderisnot
receiving power from the AC
adapter.
1. Ensure that the AC power adapter is properly
connected to the remote extender.
2. Check that the AC adapter is connected to a live
source of electrical power. Check that the remote
extender power LED is illuminated.
Link LEDs
on local
and remote
extenders are
off.
•Thereisnoconnectionbetween
the local and remote extenders.
1. Ensure that a multimode fiber optic cable with
crossover is connected between the local and
remote extenders.
2. Connect a fiber optic crossover patch cord
between the local and remote extenders.
Recheck operation of the system.
8

PROBLEM CAUSE SOLUTION
Link LED on
local and remote
extenders are on,
Host LED on
local and remote
extenders are off.
•Thehostcomputerisnot
powered on.
•Thelocalextenderisnot
connected to the computer
(when used with the optional
local extender AC adapter).
•Thecomputerdoesnot
support USB hubs.
•TheRG2224is
malfunctioning.
1. Disconnect all USB devices from the remote
extender.
2. Disconnect the local extender from the
computer.
3. Disconnect the remote extender from the AC
power adapter.
4. Reconnect the local extender to the computer.
5. Reconnect the remote extender to the AC
power adapter.
6. In the Universal Serial Bus controllers section of
Device Manager, check that the RG2224 is
recognized as a“Generic USB Hub”.
The system was
working, but the
Host LED on local/
remote extenders
are suddenly
blinking.
•Theremoteextenderisin
suspend mode.The operating
system may put the RG2224
in suspend mode when the
computer is put into a
Suspend/Standby state or
when no USB devices are
attached.
1. Recover/Resume the operating system from
Suspend/Standby mode (see your operating
system’s documentation).
2. Attach a USB device to the RG2224.
All LEDs on both
the local and
remote extenders
are on but the USB
device does not
operate correctly,
or is detected
as an“Unknown
Device” in the
operating system.
•TheUSBdeviceis
malfunctioning.
•Thecomputerdoesnot
recognize the USB device.
•Theapplicationsoftwarefor
the device is not operating.
•TheRG2224ismalfunctioning.
1. Disconnect the RG2224 from the computer.
2. Connect the USB device directly to the USB port
on the computer.
3. If the device does not operate properly,
consult the user documentation for the device.
4. Update your system BIOS, chipset, or USB Host
controller drivers from your System/Mother
board manufacturer’s website.
5. If the device operates properly when directly
connected to the computer, connect another
device (of a different type) to the RG2224.
Then connect the RG2224 to the computer.
6. If the second device does not operate, the
extender system may be malfunctioning.
Contact technical support for assistance.
7. If the second device does operate properly,
therstdevicemaynotbecompatiblewith
the RG2224.
9

USB device is
attached to
remote extender
USB port but
the remote
extender device
LED is off.
•TheUSBdevicemusthavethe
appropriate driver installed on
the computer operating system.
1. Install the required USB device driver on the
computer operating system prior to attaching
the USB device to the remote extender. Please
see your USB device manufacturer’s website for
details.
2. Consult your USB device documentation and
power your USB device with the additional, USB
device manufacturer supplied, power supply (if
available).
Device LED is
orange and
local/remote
extenders
are no longer
functioning.
•Overcurrentconditionhas
occurred because USB device
draws more power than can be
suppliedperUSBspecication
(500mA).
1. Power cycle the remote extender.
LED Host
and LINK
LEDs on local
and remote
extenders blink
intermittently.
•Firmwaremismatchbetween
the local and remote extender.
1. Use a different local/remote extender pair which
have the same firmware revision.
2. Upgrade the local and remote extender
firmware, contact technical support for
assistance.
NOTES
10

Specifications
Range Up to 500m (1640 feet) over OM2 or greater
Up to 275m (902 ft) over OM1
Speeds USB 2.0: Up to 480 Mbps; USB 1.1: Up to 12 Mbps
USB Hub Support Any single chain can include up to 3 USB hubs plus one RG2224
USB Host Support xHCI (USB 3.0) at USB 2.0 speed, EHCI (USB 2.0) and OHCI/UHCI (USB 1.1)
Maximum USB devices
supported 15 USB devices or 4 USB hubs with 11 USB devices.
AC Adapter Input: 100/240 V AC, 50 – 60 Hz, 600mA maximum; Output: 5 V DC, 3 A
AC Adapter Connector 1.7 mm centre-positive jack
System Shipping Weight 2.0 lbs. (0.9 kg)
LOCAL EXTENDER
USB Connector 1 x USB Type B Receptacle
Link Connector 1 x SFP Duplex LC
Dimensions 100 mm x 76 mm x 26 mm (3.94”x 2.99”x 1.02”)
Enclosure Material Black Anodized Aluminum
REMOTE EXTENDER
USB Connector 4 x USB Type A Receptacles
Link Connector 1 x SFP Duplex LC
Dimensions 100 mm x 76 mm x 26 mm (3.94”x 2.99”x 1.02”)
Enclosure Material Black Anodized Aluminum
Available Current 500 mA to each USB port
ENVIRONMENTAL
Operating temperature range 0°C to 50°C (32°F to 122°F)
Storage temperature range -20°C to 70°C (-4°F to 158°F)
Operating Humidity 20% to 80% relative humidity, non-condensing
Storage Humidity 10% to 90% relative humidity, non-condensing
COMPLIANCE
EMC FCC (Class B), IC (Class B), CE (Class B)
Environmental RoHS2 (CE)
SUPPORT
Warranty 2-year
11

Contacting Technical Support
If you are experiencing problems not referenced in the Troubleshooting section of this Guide, then please
contact Technical Support at the company where you purchased this product and provide them with the
following information:
• Hostcomputermakeandmodel
• TypeofOperatingSysteminstalled(e.g.Windows8,MacOSX,etc.)
• Partnumberandserialnumberofboththelocalandremoteextenders
• MakeandmodeloftheUSBdeviceattachedtotheRG2224
• Descriptionoftheinstallation
• Descriptionoftheproblem
12

13
RX
TX
Technical Glossary
USB Cables
USB cables have two distinct connectors.The Type A connector is used to connect the cable from a USB
device to the Type A port on a computer or hub.The Type B connector is used to attach the USB cable to a
USB device.
Duplex LC Crossover
When a crossover fiber-optic cable is called for, the cable has the transmit signal on one end connected to
the receive signal at the other end.
USB Type A
port
USB Type A
connector
USB Type B
port
USB Type B
connector
USB Type A
port
USB Type A
connector
USB Type B
port
USB Type B
connector