CPBH Series | CyberResearch® CPU Cards |
3.11 Serial Port Connectors
The CPBH's CN21, CN8, CN12 and CN14 provide four high speed NS16C550 compatible UART with Read/Receive 16 byte FIFO serial ports.
zCN21: COM1 Connector (5x2 Header)
PIN Description PIN Description1 | DCD0 | 2 | DSR0 |
3 | RXDD0 | 4 | RTS0 |
5 | TXDD0 | 6 | CTS0 |
7 | DTR0 | 8 | RI0 |
9 | GND | 10 | N/C |
DCD0 | 1 | 2 | DSR0 |
RXDD0 | 3 | 4 | RTS0 |
TXDD0 | 5 | 6 | CTS0 |
DTR0 | 7 | 8 | RI0 |
GND | 9 | 10 | N/C |
zCN8: COM2 Connector (5x2 Header)
PIN Description PIN Description
1 | DCD1 | 2 | DSR1 |
3 | RXDD1 | 4 | RTS1 |
5 | TXDD1 | 6 | CTS1 |
7 | DTR1 | 8 | RI1 |
9 | GND | 10 | N/C |
DCD1 | 1 | 2 | DSR1 |
RXDD1 | 3 | 4 | RTS1 |
TXDD1 | 5 | 6 | CTS1 |
DTR1 | 7 | 8 | RI1 |
GND | 9 | 10 | N/C |
zCN12: COM3 Connector (5x2 Header)
PIN Description PIN Description
1 | DCD2 | 2 | DSR2 |
3 | RXDD2 | 4 | RTS2 |
5 | TXDD2 | 6 | CTS2 |
7 | DTR2 | 8 | RI2 |
9 | GND | 10 | N/C |
DCD2 | 1 | 2 | DSR2 |
RXDD2 | 3 | 4 | RTS2 |
TXDD2 | 5 | 6 | CTS2 |
DTR2 | 7 | 8 | RI2 |
GND | 9 | 10 | N/C |
16 | ©Copyright 2005 CyberResearch, Inc |