SS-227 Interface for CU-4
control unit
SS-227 is designed for regional Central Services to be able to use CU-4
with MJ-300 module jig. With SS-227, CU-4 can be used for battery
testing.
The main functions of SS-227 are:
•
CU-4 interface adapter to MJ-300
•
BSI mode selector (Lynx and Tabby mode selection)
•
VBATT interface
All functions are performed in the CU-4. Calibration voltages and
currents e.g. are protected and monitored by the CU-4 interface
software (protection for over-current, overvoltage and reverse
voltage).
SS-93 Opening tool
SS-93 is used for opening JAE connectors.
Note: The SS-93 is included in Nokia Standard Toolkit.
SX-4 Smart card
SX-4 is a BB5 security device used to protect critical features in tuning
and testing.
SX-4 is also needed together with FPS-21 when DCT-4 phones are
flashed.
Cables
The table below gives a short overview of service devices that can be used for testing, error analysis, and
repair of product RM-761; RM-799; RM-800. For the correct use of the service devices, and the best effort of
workbench setup, please refer to various concepts.
CA-101 Micro USB cable
The CA-101 is a USB-to-microUSB data cable that allows connections
between the PC and the phone.
RM-761; RM-799; RM-800
Service Tools and Service Concepts
Issue 1 COMPANY CONFIDENTIAL Page 2 – 9
Copyright © 2011 Nokia. All rights reserved.
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