HP gx466 Manuale Utente
User’s Manual
ECM-5510 User’s Manual
41
2.4.17
Serial Port 2 Connector in RS-422 Mode (CN6,
Pin 11-20
)
Signal
PIN
PIN
Signal
TxD-
11
12
RxD+
TxD+ 13
14
RxD-
GND
15
16
NC
NC 17
18
NC
NC
19
20
NC
2.4.17.1 Signal
Description
– Serial Port 2 Connector in RS-422 Mode (CN6,
Pin
11-20
)
Signal
Signal Description
TxD+/-
Serial output. This differential signal pair sends serial data to the communication
link. Data is transferred from Serial Port 2 Transmit Buffer Register to the
communication link, if the RTS register of the Serial Port 2 is set to LOW.
RxD+/-
Serial input. This differential signal pair receives serial data from the
communication link. Received data is available in Serial Port 2 Receiver Buffer
Register.