Sony AR-B1570 사용자 설명서
AR-B1570 User’s Guide
23
3.2.18 COM1, COM2 (CN5, CN6)
CN5 (CO M 1)
CN6 (CO M 2)
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
Figure 0-5 CN5 & CN6: RS-232 Connector
CN5 CN6
Signal
CN5 DB6
Signal
1 1
/DCD
8 6
/CTS
6 2
/DSR
4 7
/DTR
2 3
RXD
9 8
/RI
7 4
/RTS
5 9
VCC
3 5
TXD
-- 10
VCC
Table 0-3 RS-232 Connector Pin Assignment
(1) RS-232/RS-485 Select for COM1 (P2 & P3)
The P2&P3 jumper is used to choose between the use of the on-board RS-232 or RS-485 for the CN5 – COM1.
P2
P3 1
3
2
RS-232
Factory Preset
1
3
2
RS-485
A
C
B
A
C
B
Figure 3-10 P2 & P3: RS-232/RS-485 Select for COM1
(2) RS-485 Terminator Select (J2)
When there is only one line the setting should be left off, but if you are using multiple blocks on a single line
this should be set to “ON” in order to properly terminate the connection for better transmission of data
When there is only one line the setting should be left off, but if you are using multiple blocks on a single line
this should be set to “ON” in order to properly terminate the connection for better transmission of data
OFF
Factory Preset
1
2
2
1
2
ON
Figure 0-6 J2: RS-485 Terminator Select
(3) RS-485 Header (J9)
1 2 3
1 N485+
2 N485-
3 GND
J9