1-20
DCU-8000 IM
D871 (C-15) :
++
++
+5 V
+5 V power supply status indication.
Lit when the +5 V power is supplied.
D872 (C-15) :
++
++
+3.3 V
+3.3 V power supply status indication.
Lit when the +3.3 V power is supplied.
D873 (C-15) :
++
++
+12 V
+12 V power supply status indication.
If this LED does not light on, the fuse may have blown.
Lit when the +12 V power is supplied.
ND851 (E-15) : IF CPU status LED
IF CPU status indication.
ND852 (F-15) : IF CPU status LED
IF CPU status indication.
<Switches>
S851 (D-15) : Modes setting switch for the IF CPU
Reserved for future expansion. Used only for production
in the assembly factory. Default setting when shipped from
the factory is all OFF.
S852 (D-15) : IF CPU RESET switch
Reset switch for the entire IF-848 board.
S853 (D-15) : Monitor reset switch for the IF CPU
Reset switch that is used during maintenance of the IF
CPU from the TERMINAL.
<Connectors>
CN802 (J-15) : ISP common connector
Used only for production in the assembly factory. Used for
program writing into the JTAG device with ISP.
CN803 (J-14) : JTAG2
Used only for production in the assembly factory.
CN852 (F-15) : TERMINAL pin
This pin is connected to the CPU control terminal and used
during maintenance. Used only for production in the
assembly factory.
<LEDs on the CPU-DK module> (K-5)
Refer to <LEDs on the CPU-DK module> of “1. CA-47
board”.
<Switches on the CPU-DK module> (K-5)
Refer to <Switches on the CPU-DK module> of “1. CA-47
board”.
1-8. Checks on Completion of Installation
D857 (H-15) : CH1
Flashes while communication with the equipment that is
connected by the serial I/F (IC202/IF-848 board) is in
progress.
D858 (G-15) : CH0
Flashes while communication with the equipment that is
connected by the serial I/F (IC202/IF-848 board) is in
progress.
D859 (G-15) : SIO0
Serial I/F (IC202/IF-848 board) status indication.
Not lit : During normal operation
Lit : When the system does not start up correctly
Flashing : When the memory has an abnormality
D860 (G-15) : ST1
Not used at present.
D861 (H-15) : ST2
Not used at present.
D862 (H-15) : ST3
Not used at present.
D863 (H-15) : ST4
Not used at present.
D864 (H-15) : ST5
Not used at present.
D865 (J-15) : ST6
Not used at present.
D866 (C-15) : RESET
Lit at reset.
D867 (E-15) : IF CPU status LED
IF CPU status indication.
Used only for production in the assembly factory.
D868 (E-15) : IF CPU status LED
IF CPU status indication.
Used only for production in the assembly factory.
D869 (E-15) : IF CPU status LED
IF CPU status indication.
Used only for production in the assembly factory.
D870 (E-15) : IF CPU status LED
IF CPU status indication.
Used only for production in the assembly factory.