Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Sold by
All Top Brands
Availability
Condition
Discount
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader
Quick View
  •  
  • $69.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes
Quick View
  •  
  • $29.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
YEPLOOK PCIe to 2x DB9 RS232 COM Serial Port+ 1x DB25 Parallel Port Printer LPT Adapter Card Chipset ASIX/AX99100 for Desktop Computer
Quick View
  •  
  • $19.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
Quick View
  •  
  • $70.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
PCIe to 4 x Serial Port DB9 RS232 COM Expansion Card PCI Express X1 Riser Card Adapter Chipset ASIX/AX99100
Quick View
  •  
  • $17.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
PCIe to 4 Ports DB9 RS232 COM Serial Port I/O PCI-E X1 Riser Card Expansion Adapter Chipset ASIX/AX9900 for Desktop PC Computer
Quick View
  •  
  • $21.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
Sena SD1000U Long Range Bluetooth-USB Adapter for Serial Port Replacement
Quick View
  •  
  • $295.77 
  • Free Shipping
Direct from TAURKENAM Direct from TAURKENAM
PCIe to 2 Serial Port RS232 DB9 PCI-E PCI Express 1x Adapter Riser Card Support RS232, RS485 & RS422 Modes Chipset ASIX/AX9900
Quick View
  •  
  • $19.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
PCIe 1X to 1 Port DB9 RS232 Serial Port + 1 Port DB25 Parallel Port Expansion Card I/O PCI Express Riser Card Chip ASIX/AX9900
Quick View
  •  
  • $19.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
8 Serial Port DB9 RS232 PCIe Riser Card PCI-Express X1 Expansion Card Adapter High Speed 920KB with Heat Sink Chip ASIX AX9900
Quick View
  •  
  • $63.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
Digi EZ01-MA00-GLB Connect EZ Mini - Serial Server, 1-port, with Accessories
Quick View
Digi EZ01-MA00-GLB Connect EZ Mini - Serial Server, 1-port, with Accessories
  • Type: Serial Server
  • Color: Black
  • Specifications: What's in the box: Digi Connect EZ Mini - serial server, 1-port, with accessories Power supply - 12 V, 2.5 A (76000823) DIN rail clip (76002095)
  • Model #: EZ01-MA00-GLB
StarTech.com 2 Port Serial-to-IP Ethernet Device Server, RS232
Quick View
StarTech.com 2 Port Serial-to-IP Ethernet Device Server, RS232
  • Type: Device Server
  • Specifications: Industry Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX Interface: Serial Ports: 2 Auto MDIX: Yes Auto-Negotiation: Yes Compatible Networks: 10/100 Mbps Data Bits: 7, 8 Flow Control: XON / XOFF, RTS / CTS, None Full Duplex Support: Yes Isolation: 2500 Vrms Max Baud Rate: 460.8 Kbps Supported Protocols: ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet Connector Type(s): 2 - DB-9 (9 pin; D-Sub) Male 1 - RJ-45 Female 1 - Terminal Block (2 Wire)
  • Model #: NETRS2322P
TRENDnet TI-S400, RS232 to RS422 RS485 Converter Adapter (4- Pack), Serial Port Data Converter
Quick View
TRENDnet TI-S400, RS232 to RS422 RS485 Converter Adapter (4- Pack), Serial Port Data Converter
  • Type: Switches
  • Features: • Includes four RS232 to RS422/RS845 converter adapters • Convert an RS232 port to an RS422/RS485 terminal block • Designed for use with the TI-M12 and TI-M42 industrial modbus gateways
  • Model #: DNHTIS400
  •  
  • $26.99 
  • $6.99 Shipping
Direct from TRENDnet Direct from TRENDnet
WatchGuard Firebox T45-PoE Network Security/Firewall Appliance - 5 Port - 10/100/1000Base-T - Gigabit Ethernet - 3.94 Gbit/s Firewall Throughput - 5 x RJ-45 - 3 Year Total Security Suite - Tabletop
Quick View
WatchGuard Firebox T45-W-PoE Network Security/Firewall Appliance - 5 Port - 10/100/1000Base-T - Gigabit Ethernet - 3.94 Gbit/s Firewall Throughput - 5 x RJ-45 - 1 Year Total Security Suite - Tabletop
Quick View
Cisco Firepower FPR-1120 Network Security/Firewall Appliance
Quick View
Cisco Firepower FPR-1120 Network Security/Firewall Appliance
  • LAN Ports: 8 x RJ-45
  • Type: Wired
  • Throughput: Firewall throughput (UDP): 4.5 Gbps Multiprotocol firewall throughput: 2.5 Gbps IPsec VPN throughput (450B UDP L2L test): 1 Gbps
  • Ports: 1 x 1000Base-T (management) - RJ-45 1 x serial - RJ-45 1 x USB 3.0 - Type A
  • Model #: FPR1120-ASA-K9
  •  
  • $3,928.99 
  • Free Shipping
Dual Port 2.5Gb Network Card Adapter with Intel I226 2500/1000/100Mbps PCI Express X4 Gigabit Ethernet NIC Card RJ45 LAN Controller for Windows 10/11 with Low Profile Bracket
Quick View
  •  
  • $61.99 
  • Free Shipping
Direct from RIITOP Direct from RIITOP
GLOTRENDS ST7315 10Gb PCI-E NIC Network Card, 10Gb SFP+ Port, Intel 82599EN Controller (X520-DA1), Support Windows Server/Linux/VMware
Quick View
  • $39.99
  •  
  • $29.99 
  • Save: $10.00 (25%)
  • Free Shipping
Available Direct from GLOTRENDS Available Direct from GLOTRENDS
  • $27.00 - $29.99
-W610 Serial to WiFi Ethernet Converter RS232 RS485 Serial Server
Quick View
-W610 Serial to WiFi Ethernet Converter RS232 RS485 Serial Server

Limited time offer, ends 07/26

  • Model #: LC6W1J25-120
  •  
  • $163.34 
  • Free Shipping
PUSR TCP232-306 RS232 RS485 RS422 to Ethernet TCP IP Modbus Gateway Serial Device Server Serial to ethernet converters
Quick View
PUSR TCP232-306 RS232 RS485 RS422 to Ethernet TCP IP Modbus Gateway Serial Device Server Serial to ethernet converters
  • Brand: PUSR
  • Model: RS232 RS485 RS422 to Ethernet
  • Type: RS232 RS485 RS422 to Ethernet Converter
  • Parts: 2 years
  • Model #: USR-TCP232-306
USR-W610 Serial to WiFi Ethernet Converter RS232 RS485 Wireless TCP/IP Serial Device Server
Quick View
  •  
  • $92.39 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
Upgraded USR-TCP232-T2 Tiny TTL UART to Ethernet TCP/IP Serial Converter Module
Quick View
  •  
  • $38.79 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
USR-W610 RS232 RS485 Serial to WiFi & Ethernet Dual-Mode Serial Server Converter
Quick View
  •  
  • $69.79 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC