Industrial part
IUC-32
PEP Modular Computers IUC-32 MC68360 Single Board Computer Dual Ethernet Card
Only 1 left
Free shippingShips today by 3 PM CT
$679.89
Communication & Network Modules
214 listings · 207 in stock
214 communication & network modules listings from the brands you use, each one photographed. Free shipping in the lower 48.
Weekly new-arrivals email for Communication & Network Modules
Cisco
WS-X4748-RJ45V
Cisco WS-X4748-RJ45V+E Catalyst 4500E 48-Port PoE+ Gigabit Ethernet Line Card
Only 1 left
Free shippingShips today by 3 PM CT
$42.89
Siemens
6GK7343-1EX11-0XE0
Siemens 6GK7343-1EX11-0XE0 SIMATIC NET CP 343-1 Industrial Ethernet Module PLC
Only 1 left
Free shippingShips today by 3 PM CT
$89.89
Industrial part
SB72EX-100CR
Real Time Automation RTA 435NBA ASCII ControlLogix Ethernet Gateway SB72EX-100CR
Only 1 left
Free shippingShips today by 3 PM CT
$398.89
Allen-Bradley
1756-DNB
Allen-Bradley 1756-DNB Series B DeviceNet Communication Module ControlLogix PLC
Only 2 left
Free shippingShips today by 3 PM CT
$22.89
Reliance Electric
57C404B
Reliance Electric 57C404B 57404-2F AutoMax Network Communications Module PLC
Only 1 left
Free shippingShips today by 3 PM CT
$31.89
Reliance Electric
57404-M
Reliance Electric 57404-M Network Communication Module 57C404 0-57404 Industrial
Only 1 left
Free shippingShips today by 3 PM CT
$282.89
Siemens
6GK7343-5FA01-0XE0
Siemens 6GK7343-5FA01-0XE0 Simatic Net CP 343-5 Profibus Communication Module
In stock
Free shippingShips today by 3 PM CT
$80.89
Modicon
AS-S908-110
Modicon AEG AS-S908-110 AS-9385-001 S908 Remote I/O Processor Module PLC Control
Only 1 left
Free shippingShips today by 3 PM CT
$9.89
Siemens
6ES7467-5GJ02-0AB0
Siemens 6ES7467-5GJ02-0AB0 Simatic S7-400 IM 467 Profibus-DP Interface Module
Only 1 left
Free shippingShips today by 3 PM CT
$127.89
SMC
EX150-SDN1-X97
SMC EX150-SDN1-X97 DeviceNet SI Serial Interface Unit Module 24VDC Automation
Only 3 left
Free shippingShips today by 3 PM CT
$241.89
Reliance Electric
57404-2
Reliance Electric 57404-2 0-57404 AutoMax Network Communications Module Card
Only 1 left
Free shippingShips today by 3 PM CT
$179.89
Allen-Bradley
1756-CNB
Allen-Bradley 1756-CNB ControlNet Communications Bridge Module ControlLogix PLC
Only 1 left
Free shippingShips today by 3 PM CT
$38.89
Omron
C200H-ASC11
Omron C200H-ASC11 SYSMAC C200H ASCII Unit PLC Communication Module Industrial
Only 2 left
Free shippingShips today by 3 PM CT
$126.89
Allen-Bradley
1756-CNB/D
Allen-Bradley 1756-CNB/D ControlLogix ControlNet Communication Bridge Module
Only 1 left
Free shippingShips today by 3 PM CT
$9.89
Industrial part
5345Z1
Gandalf MLDS 123EF NA/PAN 5345Z1 Rev B03 Data Communications Module Made in UK
In stock
Free shippingShips today by 3 PM CT
$49.89
Industrial part
5345Z1
Gandalf MLDS 123EF 5345Z1 Data Communications Module DB25 Connector UK Made
In stock
Free shippingShips today by 3 PM CT
$29.89
Industrial part
3C905CX-TX-M
3Com 3C905CX-TX-M 10/100 Managed Network Interface Card PCI Ethernet NIC Adapter
Only 1 left
Free shippingShips today by 3 PM CT
$13.89
HP
NC522SFP
HP NC522SFP 468349-001 Dual Port 10GbE SFP+ PCIe x8 Server Network Adapter Card
Only 1 left
Free shippingShips today by 3 PM CT
$9.89
HP
NC522SFP
HP NC522SFP 468349-001 Dual Port 10GbE SFP+ PCIe x8 Server Network Adapter Card
Only 1 left
Free shippingShips today by 3 PM CT
$9.89
Transition Networks
S3290-42
Transition Networks S3290-42 Network Interface Device 1G 2.5G Carrier Ethernet
Only 2 left
Free shippingShips today by 3 PM CT
$314.89
Cisco
WS-X4748-RJ45V
Cisco WS-X4748-RJ45V+E Catalyst 4500E 48 Port PoE Gigabit Ethernet Line Card
Only 2 left
Free shippingShips today by 3 PM CT
$44.89
GE Fanuc
IC200EBI001-DG
GE Fanuc IC200EBI001-DG I/O Network Interface for Ethernet Module Industrial
Only 1 left
Free shippingShips today by 3 PM CT
$632.89
Intel
0DJKY
Intel 0DJKY J72557-003 SFP+ PCIe Network Interface Card Server Ethernet Adapter
In stock
Free shippingShips today by 3 PM CT
$298.89
Get a quote on Communication & Network Modules
Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities – we reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).
Guides for Communication & Network Modules
- Parts identificationHow to Read an Allen-Bradley Catalog Number & SeriesBulletin numbers, module codes, suffixes, the series letter and firmware revision – and how each one affects whether a replacement will work.
- DrivesPowerFlex 525 vs PowerFlex 40: Replacing a 22B DriveFootprint, terminals, parameters, EtherNet/IP and Safe Torque Off – how to migrate from a PowerFlex 40 to a 525, and when not to.