Appendix Apc Board Descriptions And Operation - Oki B 4100 Maintenance Manual

APPENDIX A
A1.1 Unit Configuration and Block Diagram
1. The unit configuration of the OKIOFFICE 44/OKIFAX 4100 is as follows:
OKIOFFICE 44/OKIFAX 4100 ASSEMBLY
Board-NCU
(2) UNIT-LED
UNIT-ID
Board-TLHV/OLHV
(5)
Board-R44
(1)
Board-FX048PSU
(5)
Figure A.1.1.1 Unit Configuration of OKIOFFICE 44/OKIFAX 4100
(1) Main control board (R44)
(2) Network control unit (NCU)
(3) PC interface board (CTR): option
(4) Memory board (MEMO): option
(5) Power supply unit (048 POW, OLHV/TLHV)
(6) Operation panel board (04W)
(7) Optional board
• Telephone interface board (TEL)
• NCU-TEL interface board (NTIF)
• Ten-key board (10KY)
• Hook board (HOOK)
40055101TH Rev.4
PC BOARD DESCRIPTIONS AND OPERATION
Cabinet Assy.
Board-Memory
(4)
Board-CTR
(PC Interface)
(3)
Screw 1
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