JRC JSS-296 - Connection of NCH-321 A Distress Message Controller

3.7 Connection of NCH-321A Distress Message Controller
Connect the NCH-321A Distress Message Controller according to the serial number of NCT-196N as
follows.
NCT-196N numbered GA13417 or later.
NCT-196N
DMC TERMINAL
DMC_DAL
DMC_DRQ
DMC_DRA
DMC_SEL
DMC_RDY
GND
+12V
1
2
3
4
5
6
7
8
9
10
67
68
69
70
71
72
73
NCU-324/331
GMDSS CONSOLE
27
22
26
21
25
23
24
NCH-321A
DMC
DAL
DRQ
DRA
SEL
RDY
GND
＋9V
SP_OUT
DC_OUT
DEM_OUT
NCT-196N numbered from GA13195 to GA13244 and from GA13355 to GA13417.
NCT-196N
DMC TERMINAL
DMC_DAL
DMC_DRQ
DMC_DRA
DMC_SEL
DMC_RDY
GND
+12V
1
2
3
4
5
6
7
8
9
10
67
68
69
70
71
72
73
NCU-324/331
GMDSS CONSOLE
27
22
26
21
25
23
24
NCH-321A
DMC
DAL
DRQ
DRA
SEL
RDY
GND
＋9V
SP_OUT
DC_OUT
DEM_OUT
45