BBS-1080S BOSER [BOSER Technology Co., Ltd], BBS-1080S Datasheet - Page 33

• Manufacturer Part Number: BBS-1080S
• Manufacturer: BOSER [BOSER Technology Co., Ltd]

4.10 Serial Port Connectors
The HS-4701 offers two NS16C550 compatible UARTs with
Read/Receive 16-byte FIFO serial ports and four internal 10-pin
headers. There is one RS-422/485 connector.
PIN Description PIN Description
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
1
3
5
7
9
CN11~CN14: COM1~COM4 Connectors (5x2 Header)
CN9: RS-422/485 Connector
PIN
1
3
5
7
9
RXDD0
RXDD1
RXDD2
RXDD3
TXDD0
TXDD1
TXDD2
TXDD3
DCD0
DCD1
DCD2
DCD3
DTR0
DTR1
DTR2
DTR3
GND
GND
GND
GND
Description PIN Description
RTS+
CTS-
GND
RX+
TX-
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
2
4
6
8
10
2
4
6
8
DSR0
DSR1
DSR2
DSR3
RTS0
CTS0
RTS1
CTS1
RTS2
CTS2
RTS3
CTS3
N/C
N/C
N/C
N/C
RI0
RI1
RI2
RI3
CTS+
RTS-
TX+
RX-
N/C
RXDD3
RXDD0
RXDD1
RXDD2
TXDD3
TXDD0
TXDD1
TXDD2
DCD3
DCD1
DCD2
DTR3
DCD0
DTR1
DTR2
DTR0
GND
GND
GND
GND
39
1
RTS+
CTS-
GND
RX+
TX-
40
2
1
3
5
7
9
DSR3
RTS3
CTS3
RI3
N/C
DSR0
RTS0
CTS0
RI0
N/C
DSR1
RTS1
CTS1
RI1
N/C
DSR2
RTS2
CTS2
RI2
N/C
10
2
4
6
8
TX+
RX-
RTS-
CTS+
N/C
COM1
COM2
COM3
COM4
25