Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New
Any questions? Our AI beta will help you find out quickly.
Try me now

Quick View
PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader
- Model #: DW-TXB107
- $69.99 –
- Free Shipping

Quick View
Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes
- Model #: DW-TXI022
- $29.99 –
- Free Shipping

Quick View
YEPLOOK PCIe to 2x DB9 RS232 COM Serial Port+ 1x DB25 Parallel Port Printer LPT Adapter Card Chipset ASIX/AX99100 for Desktop Computer
- Model #: DW-TXB070
- $19.99 –
- Free Shipping

Quick View
Bluetooth 3.0 RS232 Serial Male Adapter with Class 2 Internal Antenna DB9 Pin for Wireles Data Transfer Serial Port 10m
- Type: Accessories
- Model #: BTS4004C2P
- $59.99 –
- $10.00 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
- $70.99 –
- Free Shipping

Quick View
PCIe to 4 x Serial Port DB9 RS232 COM Expansion Card PCI Express X1 Riser Card Adapter Chipset ASIX/AX99100
- Model #: DW-TXB077
- $17.99 –
- Free Shipping

Quick View
TRENDnet 1-Port Fast Ethernet Industrial Modbus Gateway - 1x Serial DB-9 Port - 2x Fast Ethernet Ports - Up to 100m (328 ft) - IP30 Rated Housing - Extreme Temperature Protection - Black - TI-M12
- Brand: TRENDnet
- Part Number: TI-M12
- Type: Gateway
- Model #: TI-M12

Quick View
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
- Model #: DW-TXB071
- $21.99 –
- Free Shipping

Quick View
Sena SD1000U Long Range Bluetooth-USB Adapter for Serial Port Replacement
- Type: USB Wi-FI Adapter
- Model #: 888134317788ABC
- $295.77 –
- Free Shipping

Quick View
PCIe to 2 Serial Port RS232 DB9 PCI-E PCI Express 1x Adapter Riser Card Support RS232, RS485 & RS422 Modes Chipset ASIX/AX9900
- Model #: DW-TXB068
- $19.99 –
- Free Shipping

Quick View
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
- Model #: DW-TXB069
- $19.99 –
- Free Shipping

Quick View
8 Serial Port DB9 RS232 PCIe Riser Card PCI-Express X1 Expansion Card Adapter High Speed 920KB with Heat Sink Chip ASIX AX9900
- Model #: DW-TXB121
- $63.99 –
- Free Shipping

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
- $395.31 –
- More options from $395.01 - $580.40
- Free Shipping

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
- $230.61
- $223.77 –
- More options from $218.99 - $269.46

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

Quick View
Opengear OM1208 Operations Manager - 3.91 GB - DDR3 SDRAM - Twisted Pair, Optical Fiber - 2 Total Expansion Slot(s) - 2 x Network (RJ-45) - 4 x USB - 8 x Serial Port - 10/100/1000Base-T, 1000Base-X
- Brand: Opengear
- Model: OM1200
- Part Number: om1208
- Type: Access Point
- Model #: OM1208-GLB
- $999.99 –
- Free Shipping

Quick View
Lantronix ED2100002-01 Lantronix 2-Port Secure Serial (RS232/ RS422/ RS485) to IP Ethernet Device Server; Up to 256-bit AES encryption; SSH/SSL/TLS Enterprise Security with PKI; International 110-240
- Type: Device Server
- Model #: ED2100002-01
- $278.99
- $272.69 –
- More options from $78.95 - $358.00
- Free Shipping

Quick View
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
- Brand: WatchGuard
- Type: Wired + Wireless
- Ports: I/O interfaces: 1 Serial/2 USB
- Simultaneous Sessions: 3850000
- Model #: WGT47643US
- $2,373.99
- $2,232.99 –
- Save: $141.00 (5%)
- More options from $2,232.99 - $2,640.22
- Free Shipping

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
- Brand: WatchGuard
- Type: Wired + Wireless
- Ports: I/O interfaces: 1 Serial/2 USB
- Simultaneous Sessions: 3850000
- Model #: WGT48641US
- $1,662.99 –
- More options from $1,662.99 - $1,900.44
- Free Shipping

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

Quick View
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 - 1 Year Basic Security Suite - Tabletop
- Brand: WatchGuard
- Type: Wired
- Ports: I/O interfaces: 1 Serial/2 USB
- Simultaneous Sessions: 3850000
- Model #: WGT47031US
- $883.99 –
- More options from $883.99 - $1,359.99
- Free Shipping

Quick View
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
Limited time offer, ends 07/27
- Class: 2500/1000/100Mbps
- Model #: PCET25G-2P-IT
- $61.99 –
- Free Shipping

Quick View
GLOTRENDS ST7315 10Gb PCI-E NIC Network Card, 10Gb SFP+ Port, Intel 82599EN Controller (X520-DA1), Support Windows Server/Linux/VMware
- Class: Intel 82599
- Model #: ST7315
- $39.99
- $29.99 –
- Save: $10.00 (25%)
- Free Shipping

Quick View
USR-W610 Serial to WiFi Ethernet Converter RS232 RS485 Serial Server
- Model #: CLAWB07G5KD7NS
- $117.19 –
- More options from $117.19 - $119.99
- Free Shipping

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

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
- $55.90
- See price in cart
- Free Shipping

Quick View
to RS232 Serial Adapter FTDI Chip CableCreation 66 FT to DB9 Female Serial Converter Cable for Windows 10 81 8 7 Vista XP 2000 Linux and Mac OS 2M Black
- Model #: HYH-20260630-C7CC-3191
- $96.85 –
- Free Shipping

Quick View
PUSR RS232 RS485 Modbus RTU to Modbus TCP Gateway Serial to Ethernet Converter USR-TCP232-410s
- Model #: 404669052842
- $88.99 –
- $5.99 Shipping

Quick View
Industrial 4 Ports Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/TCP Client/UDP Mode
- Model #: LC6W1J25-1351
- $257.37 –
- More options from $257.37 - $259.37
- Free Shipping

Quick View
USR-TCP232-306 Serial to Ethernet Converter LAN Ethernet TCP/IP to RS232 RS485 RS422 Converter2
- Model #: LC6W1J25-1273
- $81.88 –
- More options from $81.88 - $83.15
- Free Shipping

Quick View
USR-W610 Serial to WiFi Ethernet Converter RS232 RS485 Wireless TCP/IP Serial Device Server
- Model #: C24W-X8956
- $92.39 –
- Free Shipping

Quick View
- $38.79 –
- Free Shipping

Quick View
- $69.79 –
- Free Shipping

Quick View
Serial to WiFi Ethernet Wireless Converter RS232 RS485 Serial Server(USR-W610)
- Model #: LC6W1J25-1261
- $27.88 –
- More options from $27.88 - $131.66
- Free Shipping

Quick View
Industrial 4 Ports Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/TCP Client/UDP Mode
- Model #: CIKHB0844YFWHT
- $188.19 –
- More options from $188.19
- Free Shipping
