Samsung CLX-9201 Service Manual page 91

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Information
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Part Code : JC92-02429A
NOTE
This main board is for all models of the CLX-9201/9251/9301 series
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Part Name : PBA-MAIN
3) Master System Operation Key (MSOK)
MSOK PBA is used to store all system information and consists of serial flash memory, a EEPROM and a X-CRUM.The
flash memory(4MByte), EEPROM(256Kbit) and X-CRUM are used for all system operation(system parameter, device
status, tech information, and service information).
NOTE
When a main board needs to be exchanged, the MSOK PBA should be re-installed to the new main board to retain the system
information.
4) FAX JOINT PBA
The FAX JOINT PBA is used for interfacing between the main board and modem PBA. It uses UART for interface.
•
Information
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Part Code : JC92-02439A
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Part Name : PBA-FAX JOINT
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Connection
1
2
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Main PBA I/F connector
Modem Card I/F connector
2. Product Specifications and Description
2-77