Furuno DSC-60 - Control;Modem(05 P0702)

3-4
2.3 CONTROL/MODEM(05P0702)
(RS-232C/422)
S2:DMC S3:NBDP S4:RT
U21:PIO/SIO U4:F.ROM(MAIN)
U6,7:SRAM
U3:MAIN CPU
U15:GATE ARRAY
S1:NMI SW
U5:EEPROM
U13:DSP
C67
U11:F.ROM(MODEM)
U12:CODEC
C34
(C.Loop/RS-422)
S5
(DMC)
S8
S7
S6
J1
J2
J3
J4
J5
J6
J7
J8
J9
R152
S4 [RT] S3 [NBDP] S2 [DMC]
ON
232 422
1234
ON
232 422
1234
ON
232 422
1234
S6
S7
S8
232
ON
1234
ON
1234
ON
1234
422 [CALL]
DMC
S4-S2: Selection of TX/RX data communication system of
S4:RT
“232” in case of MIF format
“422” in case of IEC-6112 format
S3,S2:NBDP and DMC
“232” in case of RS-232C
“422” in case of RS-422
S5: Selecting hardware of RX data (C.Loop/RS-422)
S5-1 NBDP S5-2 RT S5-3 DMC S5-4 NMEA
S6-S8: Selection of TX/RX data communication
system of DMC
2. PCBs
S5
ON
422
1234
[C.Loop]