JRC JMR-92 Series Field Service Manual page 120

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.
Full duplex
(IEC61162-2)
Half Duplex
(RS-485)
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
Note: The location of TB2, TB3, TB14, TB15, Refer to Fig. 2.5.5.
Chapter 2 System Configuration
Table. 2.5.12 Setting of communication type
Type Short terminal No. of TB2 and TB3
5-9, 6-10, 7-11, 8-12
9
1
5-1, 6-2,
9
1
Termination Short terminal No. of TB14 and TB15
w Termination
w/o Termination
TB2/3
12
The position where
inserting a short plug
4
7-3, 8-4
TB2/3
12
The position where
inserting a short plug
4
2-3 (Factory default)
1-2
2-62