User’s Manual
19
Figure 2. 8
Table 2.7: COM1/2 Serial Ports Pin Assignments
Pin
RS-232 Signal
RS-422 Signal
RS-485 Signal
1
DCD
TX-
DATA-
2
RxD
TX+
DATA+
3
TxD
RX+
NC
4
DTR
RX-
NC
5
GND
GND
GND
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
Figure 2. 9
Table 2.8: COM3/COM4 Serial Ports Pin Assignments
Pin
Signal
Pin
Signal
1
COM_DCD
2
COM_SIN3
3
COM_SOUT
4
COM_DTR
5
GND
6
COM_DSR
7
COM_RTS
8
COM_CTS
9
COM_RI
2.3.7 DC Power
The BRAV-7520/BRAV-7521 provides a DC 12V power supply by 1*5pin phoenix connectors.
Table 2.9
for pin assignments.
Summary of Contents for BRAV-7520
Page 1: ...User s Manual BRAV 7520 7521 User s Manual Ver A0 1 Date 20 Oct 2020 ...
Page 2: ...User s Manual Version Note No Ver Note Date Writer 1 A0 1 first publish 20201020 Echo ...
Page 8: ...User s Manual iii SYSTEM RESOURCE 52 5 1 WDT and GPIO 53 ...
Page 9: ...User s Manual 1 General Information CHAPTER 1 ...
Page 17: ...User s Manual 9 BRAV 7520 Fornt Figure 1 7 BRAV 7521 Fornt Figure 1 8 ...
Page 19: ...User s Manual 11 Hardware Installation CHAPTER 2 ...
Page 38: ...User s Manual 30 ...
Page 43: ...User s Manual 35 ...
Page 44: ...User s Manual 36 BIOS Setup CHAPTER 3 ...
Page 57: ...User s Manual 49 Driver Installation CHAPTER 4 ...