Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New
Any questions? Our AI mode will help you find out quickly.
Try me now
Quick View
PCIE RS232 Expansion Card PCIe Serial Host Controller Card with 2 Port PCI Express RS232 DB9 Serial Port, ASIX AX99100 Chip, Support for Windows
Limited time offer, ends 08/02
- Model #: LHXC6W1JU09-6
- $39.59 –
- Free Shipping
Quick View
4-Port RS-232 Serial PCI-E (w/Both Regular & LP Brackets) (SER6456A+L)
- Model #: TOLDB00IIZ2ZMU
- $216.99 –
- Free Shipping
Quick View
Socket Comm D-I/O Ruggedized Dual Serial Port PC Card PCMCIA
- Model #: TOLDB00006B6QG
- $290.99 –
- Free Shipping
Quick View
PCIe to 8-Port RS-485/422 Serial Port Card, 8-Channel COM Expansion Card with TVS, Lightning/Surge Protection & Terminal Blocks - Industrial Multi-Port Data Communication
- Model #: C7FK-OYS-2026.7.28-837
- $128.99 –
- Free Shipping
Quick View
Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Rail-Mount Support with PoE Ethernet Port + Electrical Isolation
Limited time offer, ends 08/02
- Model #: G3F1C783-XM6151511
- $108.99 –
- Free Shipping
Quick View
Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Rail-Mount Support with PoE Ethernet Port + Electrical Isolation
Limited time offer, ends 08/02
- Model #: G3F1C783-XM6151873
- $85.99 –
- Free Shipping
Quick View
DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
Limited time offer, ends 08/02
- Model #: HYH-20260630-C7CC-2776
- $123.29 –
- Free Shipping
Quick View
DB9 RS232 Female Port to RJ45 Female Connector Card DB9 Serial Port Extender to LAN CAT5 CAT6 RJ45 Network Ethernet Cable Adapter
Limited time offer, ends 08/20
- Model #: 279847931
- $23.89 –
- Free Shipping
Quick View
CERRXIAN RS232 to Ethernet Serial Device Server, 1 Port RS 232 DB9 Serial to Ethernet TCP IP Device Server Converter
- Model #: 9359014204166
- $51.99 –
- $5.99 Shipping
Quick View
Dual Port Server Industrial Serial RS232 RS485 to Ethernet Converter Modbus RTU to TCP Multiple Working Modes Support TCP/UDP Server/Client and HTTPD Client
- Model #: CLAWB07W47W5V3
- $94.99 –
- Free Shipping
Quick View
PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
- Model #: DW-TXB062
- $69.33 –
- Free Shipping
Quick View
PCI-E 1x Single Port DB9 RS232 PCIe to Serial Port Expansion Card Adapter Converter Chipset ASIX AX9900 for Desktop PC Computer
- Model #: DW-TXB067
- $17.49 –
- Free Shipping
Quick View
Opengear OM1200 Operations Manager - 3.91 GB DDR3 SDRAM - Twisted Pair - 2x Network (RJ-45) - 4x USB - 8 x Serial Port - 10/100/1000Base-T - Gigabit Ethernet OM1208-L-GLB
- Brand: Opengear
- Part Number: OM1208-L-GLB
- Model #: OM1208-L-GLB
- $999.99 –
- More options from $999.99 - $2,035.99
- Free Shipping
Quick View
MOXA NPort 5110-1 Port Serial Device Server, 10/100 Ethernet, RS232, DB9 Male
- Model #: 965133646023
- $163.19 –
- More options from $156.69 - $895.10
- Free Shipping
Quick View
USR-N580 8 Ports RS485 Serial Device Server Converter Ethernet to RS485 Support Modbus RTU to Modbus TCP RS485 Communication Indicator Lights (TX/RX) with Two Ethernet Port
Limited time offer, ends 08/20
- Brand: Vszerda
- Part Number: N44093
- Model #: USFN580
- $249.17 –
- Free Shipping
Quick View
USR-K7 Low Cost TTL UART to Ethernet Module 10/100Mbps Super Port Ethernet to Serial Module Support Modbus RTU to Modbus TCP with RJ45 Port (5PCS)
Limited time offer, ends 08/20
- Model #: 279848092
- $189.29 –
- Free Shipping
Quick View
USR-K7 Low Cost TTL UART to Ethernet Module 10/100Mbps Super Port Ethernet to Serial Module Support Modbus RTU to Modbus TCP with RJ45 Port (10PCS)
Limited time offer, ends 08/20
- Model #: 279848095
- $191.29 –
- Free Shipping
Quick View
MOXA NPort W2150A - 1 Port Serial-to-WiFi (802.11a/b/g/n) Device Servers with Wireless Client
- Model #: BE65C1ZYQ9
- $629.00 –
- More options from $628.20
- Free Shipping
Quick View
Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (5pcs)
Limited time offer, ends 08/20
- Model #: 279848462
- $89.29 –
- Free Shipping
Quick View
USR-DR302 DIN-Rail Modbus RS485 Serial Port to Ethernet Converter Bidirectional Transparent Transmission Between RS485 and RJ45
- Model #: 694782987194
- $68.99 –
- $5.99 Shipping
Quick View
Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)
Limited time offer, ends 08/20
- Model #: 279848379
- $138.29 –
- Free Shipping
Quick View
Opengear CM8100 CM8116 Console Server - 1.95 GB - DDR4 SDRAM - Twisted Pair - 2 x Network (RJ-45) - 2 x USB - 16 x Serial Port - 10/100/1000Base-T - Gigabit Ethernet - Management Port - Rack-mountable
- Brand: Opengear
- Part Number: CM8116
- Model #: CM8116
- $2,203.55 –
- More options from $2,199.99 - $2,419.82
Quick View
Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)
Limited time offer, ends 08/20
- Model #: 279848337
- $139.29 –
- Free Shipping
Quick View
MOXA NPort 5210 w/Adapter 2 Port Serial Device Server, 10/100M Ethernet, RS-232, RJ45 8pin, 15KV ESD, 110V or 230V
- Model #: 652843957739
- $268.99 –
- More options from $268.99 - $302.99
- Free Shipping
Quick View
USR-N510 New Version (H7-4) 1 Port RS485 to Ethernet Converter DC 5-36V Serial Device Server Up to 400Mhz Support Modbus RTU to Modbus TCP Virtual COM with 12V Power Adapter
Limited time offer, ends 08/20
- Model #: 279848418
- $139.29 –
- Free Shipping
Quick View
Vszerda W630 Industrial RS232 / RS485 Serial to Ethernet,Serial to WiFi or WiFi to Ethernet Converter Support Dual Ethernet Ports, Modbus RTU
- Model #: moHT4D9
- $86.69 –
- Free Shipping
Quick View
PUSR TCP232-304 RS485 to TCP/IP Converter Serial Device Server Support Modbus Gateway Built-in Webpage RS485 to Ethernet Converter
Limited time offer, ends 08/01
- Model #: 9453493888937
- $78.99 –
- More options from $70.99 - $78.99
- Free Shipping
Quick View
Usr-Tcp232-410S RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS (2)
- Model #: CLOLB0F3CYL57T
- $155.99 –
- Free Shipping
Quick View
Serial device server DB9 RJ45 to RS232 Ethernet To RS232 TCP/IP Server Module communication converter
Limited time offer, ends 08/01
- Model #: C75J*OYJ*G1*0717-49
- $31.96 –
- Free Shipping
Quick View
Serial UART Programmable WiFi Module IoT Remote Control Monitoring Data Transmission Wireless Modules USR-WIFI232-A2 X 2 PCS
- Model #: CLOLB0B4S7JG8J
- $83.99 –
- Free Shipping