96
14
DIGITAL INTERFACE (IEC 61162-1)
New2001
D
Output sentences (IEC 61162-1)
DSC and DSE
D
Output interval
DSC, DSE: Irregular output (Output immediately after receiving a DSC call.)
D
Output sentence description
• DSC—Digital selective calling information
$CDDSC, xx, xxxxxxxxxx, xx, xx, xx, x.x, x.x, xxxxxxxxxx, xx, a, a*hh<CR><LF>
1 2 3 4
5 6 7
8 9
10
11
1
Format specifier (2 digits)
7 Time or Telephone Number (Maximum 16 digits)
2 Address (10 digits)
8
MMSI of ship in distress (10 digits or NULL)
3 Category (2 digits or NULL)
9
Nature of distress (2 digits or NULL)
4 Nature of distress or first telecommand (2 digits or NULL)
10 Acknowledgement (R=Acknowledge request,
B=Acknowledgement, S=Neither (end of sequence))
5 Type of communication or second telecommand (2 digits)
11
Expansion indicator (E or NULL)
6 Position or Channel/frequency (Maximum 16 digits)
• DSE—Expanded digital selective calling
$CDDSE, x, x, a, xxxxxxxxxx, xx, c--c,
..........
, xx, c--c*hh<CR><LF>
1 2 3 4 5 6 7
8 9
1
Total number of sentences (fixed value)
6 Data set ‘1’ (code field, Enhanced position resolution, Maximum 8
characters), NULL
2 Sentence number (fixed value)
7 Additional data sets*
1
, NULL
3 Query/reply flag (fixed value A=Automatic)
8
Data set ‘n’ (NULL)*
1
4 Vessel MMSI (10 digits)
9
Data set ‘n’ (NULL)*
1
5 Data set ‘1’ (code field, fixed value 00)
*
1
This transceiver outputs only “Data set 1.”
■
I/O Sentences (Continued)
