Grounding; Connecting Ap5042; Table 12 Pinout Of "Inm-C" Connector On Ap5042 - Thrane&Thrane SAILOR TT-3000E mini-C GMDSS System Installation Manual

TT-3000E mini-C GMDSS System
4.7.2 G
ROUNDING
Connect a grounding wire between the ships structure and
AP5042 by using the dedicated grounding point found on the
rear panel of the alarm panel.
The grounding wire should have a cross section of at least
2
0.75mm and the length should preferably be kept below 1
meter.
4.7.3 C
ONNECTING
There are two DSUB9 connectors on the back of the AP5042
Inmarsat-C Alarm Panel, one male type marked "Inm-C" and
one female type marked "Power".
The connector marked "Inm-C" is used for communication
with the TT-3000E mini-C GMDSS System. The pin-out is
shown in Table 12. For further information concerning wiring
of the communication interface, please refer to section 4.4.7.
Female DSUB 9 pin connector marked "Inm-C"
Pin Signal
1 GND
2 GND
3 Data +
4 Data -
5 Data -
6 Termination resistor
7 Data +
8 +9V input
9 +9V input

Table 12 Pinout of "Inm-C" connector on AP5042

AP5042
Remark
Internally connected to pin 2
Internally connected to pin 1
Internally connected to pin 7
Internally connected to pin 5
Internally connected to pin 4
Strap to pin 7 to activate
Internally connected to pin 3
Internally connected to pin 9
Internally connected to pin 8
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Installation Manual