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Nokia Customer Care
Page 4–6
CU-4
CU-4 is a general service tool used with a module jig and a flash adapter.
CU-4 requires an external 12 V power supply.
The unit has the following features:
• software controlled via USB
• EM calibration function
• Forwards FBUS/Flashbus traffic to/from terminal
• Forwards USB traffic to/from terminal
• software controlled BSI values
• regulated VBATT voltage
• 2 x USB2.0 connector (Hub)
• FBUS and USB connections supported
DKU-2
TM
USB to Pop-Port
FLS-4S
FLS-4S is a dongle and flash device incorporated into one package,
developed specifically for POS use.
Company Confidential
Copyright ©2005 Nokia. All Rights Reserved.
Service Tools and Service Concepts
Control unit
USB connectivity cable
connector cable.
Flash device
RM-36
Issue 1
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Troubleshooting
