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Board Descriptions
A - 56
OKIOFFICE 44 Serv. Man., P/N 59276801
A3.10 MEMO (Memory) Circuit Diagram (Option)
By mounting this optional memory board (MEM/MEM-2), it can be used for the expansion memory.
1.
Block diagram
Figure A3.10.1 shows a related signal of memory board.
MEMO/MEMO-2 circuit consists of the following block.
1)
512 kbyte pseudo static RAM x 4 (RAM1 to RAM4).
Used as follows:
•
Picture memory for the ECM send/receive modes.
•
Picture memory for the memory transmission mode.
•
Picture memory for the retransmission data.
•
Picture memory for the reception in memory
2)
Memory capacity
•
1 Mbyte (MEMO-2) memory board can be added for OKIOFFICE 44.
The relationship between memory capacity and mounted boards are shown in the following
table
Equipment
OKIOFFICE 44
Memory
Capacity
1 Mbyte
Mounted
Mounted
Not mounted
Not mounted
MEMO-2
RAM1
RAM2
RAM3
RAM4
Mounted
Board Name
Note: The OKIOFFICE 44 does not back-up the message received in memory during a
power failure.
Summary of Contents for OKIOFFICE 44
Page 2: ...All specifications are subject to change without notice Service Manual OKIOFFICE 44 59276801...
Page 135: ...Disassembly 4 6 OKIOFFICE 44 Service Manual P N 59276801 Whole Unit Picture FX048 CP4 1 Fig 01...
Page 329: ...Illustrated Parts List D 6 OKIOFFICE 44 Service Manual P N 59276801 Section 2 Printer Unit...
Page 331: ...Illustrated Parts List D 8 OKIOFFICE 44 Service Manual P N 59276801 Section 3 Operator Panel...
Page 351: ...Illustrated Parts List D 28 OKIOFFICE 44 Service Manual P N 59276801 Section 12 Cables...
Page 357: ...Board Layout E 2 OKIOFFICE 44 Service Manual P N 59276801 MEM eps E 2 MEM PCB...
Page 358: ...Board Layout E 3 OKIOFFICE 44 Service Manual P N 59276801 TEL U eps E 3 TEL U PCB...
Page 359: ...Board Layout E 4 OKIOFFICE 44 Service Manual P N 59276801 Hook eps E 4 Hook PCB...
Page 388: ...OKIOFFICE 44 Service Manual Part Number 59276801 Printed in the USA...