Read Panasonic KX-TDE6101RU Service Manual online
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KX-TDE6101RU
4.3.
Outline
4.3.1.
IPCEMPR Card
This card is the main control section of this unit. It controls all the cards mounted on the free slots, and communication of RS-
232C ports.
The front of the IPCEMPR card is equipped with two LEDs (LED1 and LED2) that indicate the operating status of this card,
There are no rotary switches on IPCEMPR and a push switch used to execute the system reset.
This control circuit execute the control signals for the exchange process, and this card is composed of the following
(A) 32bit CPU (32bit data bus)
(B) DDR_SDRAMs, SRAM
(C) Flash memory
(D) Lithium Battery for back-up of clock IC and Static RAM
232C ports.
The front of the IPCEMPR card is equipped with two LEDs (LED1 and LED2) that indicate the operating status of this card,
There are no rotary switches on IPCEMPR and a push switch used to execute the system reset.
This control circuit execute the control signals for the exchange process, and this card is composed of the following
(A) 32bit CPU (32bit data bus)
(B) DDR_SDRAMs, SRAM
(C) Flash memory
(D) Lithium Battery for back-up of clock IC and Static RAM
4.3.2.
Back Board
BB (back board) is the mother board of the basic shelf. This board connects each card (POWER, IPCEMPR, and optional cards)
together. This board has one RS-232C connector.
together. This board has one RS-232C connector.
4.3.3.
Power Supply Unit
This unit is switching regulator power supply and supplies DC voltages to IPCEMPR card, optional card (free slot).
4.3.4.
System Control
4.3.4.1.
System Control Block Diagram
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