Furuno DSC-6 - How to Update System Program; Over View

DSC60
B4-19
9. How to update system program
9.1 Over view
The program disk supplied includes two programs: main program and modem program.
To update the system program, DIP switch #1 and #2 of S3 on the
CONTROL/MODEM board must be set to ON position. Either of an IB-581 or a PC
PC/AT compatible is connected as follows.
Using IB-581
Using PC
Any IB-581 can be used. The PC is connected to the DSC-60 as
below.
Connection between DSC-60 and PC/IB-581
The connection is made with the following interconnection cable. The connector to the
DSC-60 is a 25-pin D-SUB male, and to the IB-581 or PC a 9-pin D-SUB female.
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
1
2
3
4
5
6
7
8
9
F. G ND
SD
RD
RTS
CTS
DSR
S.GND
DTR
TD-A
1
2
3
4
5
6
7
NC
8
NC
19
S.GND
9
NC
10
20
21
TD-B
22
RD-A
23
RD-B
24
NC
25
D-SUB 9pin D-SUB 25pin
DSC-60
IB-581
Key
NBDP COM-1
KEY
board
1234
ON
S3
(NBDP)
DSC-60
PC
NBDP
1234
ON
S3
(NBDP)
RS-232C