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PROBLEM 

CAUSE

SOLUTION

A USB 3 

device is not 

enumerating 

as USB 3, or 

the operating 

system is 

notifying the 

user that the 

device can 

“Perform Faster 

if connected to 

a USB 3 port”.

1.  The USB device is 

malfunctioning.  

2.  The computer does not 

recognize the USB device.  

3.  The application software 

for the USB device is not  

operating. 

4.  The USB 3 port on the 

computer is malfunctioning.

5.   The USB extender is 

malfunctioning.

1.  Disconnect the extender from the computer. 
2.  Connect the USB 3 device directly to the host 

computer. 

3.  If the device does not operate as expected as a 

USB 3 device, consult the user documentation for 

that device or try a different USB port on the host 

computer. 

4.  Update the host computer BIOS, chipset or USB 

controller drivers from the manufacturer’s website. 

5.  If the device operates as USB 3 device when directly 

connected to the computer, connect another USB 3 

device to the extender and reconnect it to the host 

computer. If the device still does not work, please 

contact Technical Support for assistance.

Power LED is 

Solid Amber.

1.  Upstream USB connection 

does not advertise 5V 3A 

connectivity.

1.  Ensure connection is made to an upstream USB-C 

port (Not Type A or B). 

2.  Switch to a different port. 

3.  Solution may not require all 900mA to operate. Test 

complete setup. 

4.  Install Optional Power Supply. (Sold separately) 

5.  If not working, please contact Technical Support  

for assistance.

12

Summary of Contents for USB 3-2-1 Starling 3251C-10

Page 1: ...USB 3 2 1 Starling 3251C 1 Port USB 3 2 1 Fixed Range Point to Point Extender System User Guide ...

Page 2: ...is in conformity with European Standards EN 55024 EN 55032 EN 61000 and RoHS Directive 2011 65 EU 2015 863 EU IC Statement This Class A digital apparatus complies with Canadian ICES 003 Issue 7 WEEE Statement The European Union has established regulations for the collection and recycling of all waste electrical and electronic equipment WEEE Implementation of WEEE regulations may vary slightly by i...

Page 3: ...g the USB 3 2 1 Starling 3251C Extender System 7 Installing the Local Extender 7 Connecting the Local Extender to the Remote Extender 7 Installing the Remote Extender 8 Checking the Installation 8 Connecting a USB Device 8 Compatibility 8 11 Troubleshooting 13 Specifications 14 Power Supply and Accessories 14 Technical Glossary ...

Page 4: ...USB 3 2 beyond the standard 3m cable limit for USB 3 2 peripheral devices This extender system is composed of two individual units the Local Extender and the Remote Extender and has the following key features 10m extension using included Cable Support for new USB 3 2 Gen 1 2 host controllers and devices up to 5Gbps Bus Powered Operation Supports all device types Backwards compatible to USB 2 0 dev...

Page 5: ...e Extender LED is OFF or BLINKING when there is no connection between the Local Extender and Remote Extender units 4 USB Host Port USB 3 Type C receptacle used to connect Local Extender to USB 3 Host computer 5 Link Port ARJ45 Accepts custom ARJ45 Cable included with product 6 Mode Reserved for manufacturer use 7 Config Reserved for manufacturer use Guaranteed sufficient power via USB Bus power re...

Page 6: ... between the Local Extender and Remote Extender units 3 Device Port USB 3 Type C receptacle used to connect Remote Extender to USB device 4 Link Port ARJ45 Accepts custom ARJ45 Cable included with product 5 Mode Reserved for manufacturer use 6 Config Reserved for manufacturer use Guaranteed sufficient power via USB Bus power requires a USB C connection to a USB C power upstream capable of 5V 3A co...

Page 7: ...al sources of interference such as electrical wiring fluorescent lighting etc Use the included ARJ45 Cable Pulling Eye tool when installing included cable through conduits or other tight spaces Use only the included cable with this product do not cut or re size the included cable Installing the Local Extender 1 Place the Local Extender near the computer 2 Optional Apply 5V 3A AC power supply to un...

Page 8: ...d column under Hardware select USB and inspect the right hand panel If the extender has been installed correctly you should find it listed as one instance of Hub under the USB SuperSpeed Bus To open System Profiler in macOS Open the Finder select Applications then open the Utilities folder and double click on the System Profiler icon 4 If the extender system is not detected correctly or fails to d...

Page 9: ...r Direct Surface Mounting 3 USB Extender Cable Tie Mounting Option 1 USB Extender Mounting Kit Order Part 21 00156 for Starling Starling USB Mounting Kit is available for purchase separtely and only one kit is required per extender system Each kit includes 4 mounting brackets 8 M2 5x4 5mm Phillips raised cheese head screws with lock and flat washers Mounting bracket installation guide refer to dia...

Page 10: ...ngs on the mounting surface using a 3 70mm 0 1457 drill bit 4 Align the bottom enclosure holes to the newly drilled out holes on the mounting surface 5 Place a locking washer on each of the four screws and using a screwdriver fasten the extender into place To ensure the stencil below prints to scale be sure to set the page scaling setting to none Direct Surface Mounting Measurement Stencil Option ...

Page 11: ...ion between the Local and Remote Extenders 1 Ensure that the included cable is connected securely between the Local and Remote Extenders ALL LEDs on both the Local and Remote Extenders are SOLID ON but the USB device is not operating correctly or is detected as an Unknown Device in the operating system 1 The USB device is malfunctioning 2 The computer does not recognize the USB device 3 The applic...

Page 12: ...documentation for that device or try a different USB port on the host computer 4 Update the host computer BIOS chipset or USB controller drivers from the manufacturer s website 5 If the device operates as USB 3 device when directly connected to the computer connect another USB 3 device to the extender and reconnect it to the host computer If the device still does not work please contact Technical ...

Page 13: ...Optional 5V 3A not included sold separately Maximum Wattage 15W 5V 3A USB or Self Powered REMOTE EXTENDER USB Connector 1x USB 3 2 Gen 1 Type C Receptacle Link Connector 1 x ARJ45 LINK Dimensions 86 0 x 45 0 x 24 0mm 3 4 x 1 8 x 0 9 Enclosure Material Black Anodized Aluminum Available Current Up to 900mA ENVIRONMENTAL Operating Temperature Range 0 C 50 C 32 F 122 F Storage Temperature Range 20 C 7...

Page 14: ... B connector USBType A port USBType C port Technical Glossary USB 3 and USB 2 0 Cables USB cables have two distinct full sized 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 USB C Cable The Type C Connector is used to connect to both USB Hosts and Devices ARJ...

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