Allen-Bradley 1403-NSC — Communication Module

Part number	1403-NSC
Brand	Allen-Bradley
Category	Communication Module
Description	Communication Module
Manufacturer	Allen Bradley
Product Type	Communication Module
Product Line	1403 Powermonitor II
Part Number	1403-NSC
Weight	1.50 lbs (0.68 kg)
Network Protocol	Remote I/O
Serial Protocols	RS-232/RS-485
Baud Rate Range	1.2–230 kbps
Termination Resistance	84 Ω/150 Ω
Communication Topology	Daisy Chain
Host Device	1403-MM Master Module
Port Isolation	500 V
Active Ports	2 Ports
Use Case	Dual-port Communications
RIO Cable	1770-CD Twinax
Installation Type	Plug-in Card
LED Indicators	TXD, RXD, RIO

The Allen Bradley 1403-NSC is a communication module designed for seamless integration within the Powermonitor II series. It supports Remote I/O protocols, allowing efficient data transmission through dual serial ports.

Also written as

1403-NSC/A1403-NSC/B1403-NSCX

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.