Toshiba Magnia 550d - Manual (Page 193)

178
Serial-1/2 interface
NOTE: In the following table, I/O denotes input/output as
viewed from the server.
.
Pin number Signal name Description I/O
1 CD Receive carrier detect I
2 RXD Receive data I
3 TXD Transmit data O
4 DTR Data terminal ready
5 GND Signal ground
6 DSR Data set ready I
7 RTS Request to send O
8 CTS Clear to send I
9 CI Call indicator I
1 5
9 6