JRC JMR-9282-S - Page 120

Chapter 2 System Configuration 2-62
ex. Data communication example of AIS:
AIS data will be displayed on the radar screen by connecting sensor data from AIS to
RX_A, RX_B and RX_C.
By connecting to AIS from TX_A, TX_B and TX_C, it is possible to stop the AIS alarm
displayed on the radar screen.
Communication Type and termination
Communication type of IEC61162-2 can be selected full duplex (IEC61162-2) mode or half
duplex (RS-485) mode by TB2 and TB3 setting on CMH-2370.
To select communication type for channel9, terminal of TB2 will be short-circuited by Short Plug.
To select communication type for channel10, terminal of TB3 will be short-circuited by Short Plug.
To set TB2 and TB3, refer to Table. 2.5.12 and Fig. 2.4.10.
Table. 2.5.12 Setting of communication type
Type Short terminal No. of TB2 and TB3
Full duplex
(IEC61162-2)
5-9, 6-10, 7-11, 8-12
1
4
9
12
TB2/3
The position where
inserting a short plug
Half Duplex
(RS-485)
5-1, 6-2, 7-3, 8-4
1
4
9
12
TB2/3
The position where
inserting a short plug
And the termination of receiver can be removable for multi connections by TB14 and TB15
setting on CMH-2370.
To set the termination for channel9, terminal of TB14 will be short-circuited by Short Plug.
To set the termination for channel10, terminal of TB15 will be short-circuited by Short Plug.
To set TB14 and TB15, refer to
Table. 2.5.13 and Fig. 2.4.10.
Table. 2.5.13 Short terminal to select communication type
Termination Short terminal No. of TB14 and TB15
w Termination 2-3 (Factory default)
w/o Termination 1-2
Note: The location of TB2, TB3, TB14, TB15, Refer to Fig. 2.5.5.