Pinouts And Wiring Configuration; Nxc-Com2 Channel Assignment - AMX NetLinx NXM Series Operation/Reference Manual

NXC-COM2 Dual COM Port Control Card

Pinouts and Wiring Configuration

NXC-COM2 Pinouts
Pin Signal
1 GND
2 RXD1
3 TXD1
4 CTS1
5 RTS1
6 TX1+
7 TX1-
8 RX1+
9 RX1-
10 +12 VDC
11 GND
12 RXD2
13 TXD2
14 CTS2
15 RTS2
16 TX2+
17 TX2-
18 RX2+
19 RX2-
20 +12 VDC

NXC-COM2 Channel Assignment

NXC-COM2 Channel Assignment
Channe
l
255
8
NXC-COM2 Wiring Configuration
Function RS-232
Signal ground X
Receive data X
Transmit data X
Clear to send X
Request to send X
Transmit data
Transmit data
Receive data
Receive data
Power Optional Optional
Signal ground X
Receive data X
Transmit data X
Clear to send X
Request to send X
Transmit data
Transmit data
Receive data
Receive data
Power Optional Optional
Description
CTS push channel - reflects the state of the CTS input if a 'CTSPSH' command
was sent to the device.
RS- RS-485
422
X
X X (strap to pin 8)
X X (strap to pin 9)
X X (strap to pin 6)
X X (strap to pin 7)
X
X X (strap to pin 18)
X X (strap to pin 19)
X X (strap to pin 16)
X X (strap to pin 17)
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