BB5/6COM - Hardware Reference
6
B o a r d R e v i s i o n 1 . 0 / M a n u a l R e v i s i o n 1 . 0
3
PINOUTS
3.1
COM5 – COM10 Connector (RS232)
Pin Name
Function
1
DCD
COM Connector, DCD Pin
2
RXD
COM Connector, RXD Pin
3
TXD
COM Connector, TXD Pin
4
DTR
COM Connector, DTR Pin
5
GND
Ground
6
DSR
COM Connector, DSR Pin
7
RTS
COM Connector, RTS Pin
8
CTS
COM Connector, CTS Pin
9
RI
COM Connector, RI Pin
Table 2:
Pinout COM5 – COM10 connector (RS232)
3.2
COM9 – COM10 Connector (RS422)
Pin Name
Function
1
---
---
2
RX+
COM Connector, RX+ Pin
3
RX-
COM Connector, RX- Pin
4
---
---
5
---
---
6
---
---
7
TX+
COM Connector, TX+ Pin
8
TX-
COM Connector, TX- Pin
9
---
---
Table 3:
Pinout COM9 – COM10 connector (RS422)
3.3
COM9 – COM10 Connector (RS485)
Pin Name
Function
1
---
---
2
RX+ / TX+
COM Connector, RX+ / TX+ Pin
3
RX- / TX-
COM Connector, RX- / TX- Pin
4
---
---
5
---
---
6
---
---
7
---
---
8
---
---
9
---
---
Table 4:
Pinout COM9 – COM10 connector (RS485)
