AMX nxc manual Pinouts and Wiring Configuration, NXC-COM2 Channel Assignment

NXC-COM2 Dual COM Port Control Card

Pinouts and Wiring Configuration

NXC-COM2 Pinouts			NXC-COM2 Wiring Configuration
Pin	Signal	Function	RS-232	RS-422	RS-485
1	GND	Signal ground	X	X
2	RXD1	Receive data	X
3	TXD1	Transmit data	X
4	CTS1	Clear to send	X
5	RTS1	Request to send	X
6	TX1+	Transmit data		X	X (strap to pin 8)
7	TX1-	Transmit data		X	X (strap to pin 9)
8	RX1+	Receive data		X	X (strap to pin 6)
9	RX1-	Receive data		X	X (strap to pin 7)
10	+12 VDC	Power	Optional	Optional
11	GND	Signal ground	X	X
12	RXD2	Receive data	X
13	TXD2	Transmit data	X
14	CTS2	Clear to send	X
15	RTS2	Request to send	X
16	TX2+	Transmit data		X	X (strap to pin 18)
17	TX2-	Transmit data		X	X (strap to pin 19)
18	RX2+	Receive data		X	X (strap to pin 16)
19	RX2-	Receive data		X	X (strap to pin 17)
20	+12 VDC	Power	Optional	Optional

NXC-COM2 Channel Assignment

NXC-COM2 Channel Assignment

Channel Description

255 CTS push channel - reflects the state of the CTS input if a 'CTSPSH' command was sent to the device.

NXC-COM2 Programming Information

NXC-COM2 Send_Commands

NXC-COM2 Send_Commands

Command	Description
B9MOFF	Disable 9-bit in 232/422/455 mode. This command works in conjunction with the B9MON command.
	Syntax:
	SEND_COMMAND <DEV>,"'B9MOFF'"
	Example:
	SEND_COMMAND SOMEDEVICE_1,"'B9MOFF'"
	Sets the port settings on SOMEDEVICE to match the port's configuration settings.
B9MON	Enable 9-bit in 232/422/455 mode. This command works in conjunction with the B9MOFF command.
	Syntax:
	SEND_COMMAND <DEV>,"'B9MON'"
	Example:
	SEND_COMMAND SOMEDEVICE_1,"'B9MON'"
	Resets the SOMEDEVICE port's communication parameters to nine data bits and one stop bit.

6 NetLinx Cardframe, Control Cards, and NetModules - Operation Reference Guide