Serial Ports Connectors - BOSER Technology HS-5200 Manual

3.4 Serial Ports Connectors

All CPU Card offers two high speed NS16C550 compatible UARTs with
Read/Receive 16 byte FIFO serial ports with one DB-9 external
connector, and one internal 10-pin header connector.
CN16 : Serial Port DB-9 Connector (ACE0)
PIN NO.
1 DATA CARRIER DETECT
2 RECEIVE DATA
3 TRANSMIT DATA
4 DATA TERMINAL READY (DTR)
5 GROUND
6 DATA SET READY
7 REQUEST TO SEND
8 CLEAR TO SEND
9 RING INDICATOR
CN5 : Serial Port 10-pin Header (ACE1)
PIN NO. DESCRIPTION
1 DCD
3 RXD
5 TXD
7 DTR
9 GND
24
DESCRIPTION
(DCD)
(RXD)
(TXD)
(GND)
(DSR)
(RTS)
(CTS)
(RI)
PIN NO. DESCRIPTION
2 DSR
4 RTX
6 CTX
8 RI
10 NC