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JUMPER
DEFAULT
J21
3-4 short
(G2TX)
J22
1-2 short
(GPSPOL)
J23
1-2 short
(LOGPOL)
J24
1-2 short
(RXD3SEL)
J25
Short
(1WR/EXT)
123
FUNCTION
Serial signal output
setting
Polarity of the "GPS"
signal setting
Polarity of "LOG" signal
setting
Setting receiving port of
CPU on SCC board
Software install or
internal communication
with "NO.1 Gyro
compass"
DIP SWITCH SETTINGS
DESCRIPTION
Output port: DTERM-A board, TB21C:
"G2-1TX" and
TB21D: "G2-2TX"
1-2 short =
IEC61162-2 or TOKIMEC
version
3-4 short =
IEC61162-1 ed.4 (ref.
page 3)
NOTE:
True heading information
on "NO.2 Gyro compass" is
output regardless of a
system change.
Input port: GTERM-A board,
TB1-2: "GRX"
1-2 short =
Standard
3-4 short =
Polarity is carried out
reversely.
NOTE:
Never use both jumpers at
the same time!
When a signal cannot be
NOTE:
received by "1-2 short", it is
set as "3-4 short".
Input port: GTERM board-A,
TB1-2: "LRX"
1-2 short =
Standard
3-4 short =
Polarity is carried out
reversely.
NOTE:
Never use both jumpers at
the same time!
When a signal cannot be
NOTE:
received by "1-2 short", it is
set as "3-4 short".
1-2 short =
An optional serial
signal is received.
3-4 short =
The serial signal output
from SCOIF board
received.
NOTE:
Never use both jumpers at
the same time!
Short:
Internal communication
with "NO.1 Gyro
compass"
Open:
Software is installed in
SCC board
NOTE:
Circuit is damaged if
988-12720-002
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