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PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 09/19
- Model #: C7FK-OYS-2026.7.28-67
- $74.99 –
- Free Shipping
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waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
- Model #: C6T1813-XMYXDL571
- $87.79 –
- Free Shipping
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PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 09/19
- Model #: C7FK-OYS-2026.7.28-573
- $74.99 –
- Free Shipping
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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
Limited time offer, ends 09/19
- Model #: C7FK-OYS-2026.7.28-837
- $127.99 –
- Free Shipping
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JAENFONG Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes
- Model #: ZZ-959
- $30.31 –
- Free Shipping
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LINDY 8 Port Serial RS-232, 16C950 128 Byte FIFO PCI Card Std Profile (51275)
- Model #: TOLDB003OAWZKG
- $723.99 –
- Free Shipping
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PCIe to 8 Port RS232 Serial Card PCIe to 8 Ports Serial RS232 Expansion Card Riser Card COM Controller 17V358
- Model #: TOLDB0DD3ZDGTX
- $116.99 –
- Free Shipping
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Broadcom Quad-port Gigabit Ethernet x4 PCI Express Adapter, RoHS-compliant | BCM95719A1904AC
- Connectors: 4 x RJ45
- Model #: BCM95719A1904AC
- $112.99 –
- Free Shipping
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PCIe to 2 Serial Port RS232 DB9 PCI-E PCI Express 1x Adapter Riser Card Support RS232, RS485 & RS422 Modes Chipset ASIX/AX9900
Limited time offer, ends 09/19
- Model #: DW-TXB068
- $17.40 –
- More options from $17.40 - $18.45
- Free Shipping
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PCIe to Dual RS-485/422 Serial Port Card with DB9 Connectors - High-Speed 1-to-2 Multi-Port Expansion Card, Terminal Block Adapters
- Model #: TOLDB0F9FMG1PZ
- $75.99 –
- Free Shipping
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4-Port RS-232 Serial PCI-E (w/Both Regular & LP Brackets) (SER6456A+L)
- Model #: TOLDB00IIZ2ZMU
- $216.99 –
- Free Shipping
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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
Limited time offer, ends 09/19
- Model #: C75J*OYJ*G1*0717-157
- $20.96 –
- Free Shipping
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1PCS PCI to RS-232 Serial Card 2 Ports RS232 to PCI Converter DB9 COM Adapter UT-7702
- Model #: TOLDB0GWHFKNTJ
- $112.99 –
- Free Shipping
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2Port Serial DB9 RS232 PCIe 1.0 x1 Network Adapter with LowProfile Bracket, Model SIPEX15055
- Model #: B3EN-S32
- $46.99 –
- Free Shipping
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Usr-Tcp232-410S RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS (2)
- Model #: CIKHB0F3CYL57T
- $155.19 –
- More options from $155.19
- Free Shipping
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USR 5PCS USR-TCP232-302 Tiny Size Serial RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS
- Model #: CHIYB0817RXKVH
- $213.19 –
- More options from $213.19
- Free Shipping
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USR 5PCS USR-TCP232-302 Tiny Size Serial RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS
- Model #: HANRB0817RXKVH
- $213.19 –
- Free Shipping
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Usr-Tcp232-410S RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS (5)
- Model #: RCCWB0F3CTCX53
- $360.99 –
- Free Shipping
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Global Caché IP2SL iTach TCP/IP to Serial Converter - Connects RS232 Control Devices to a Wired Ethernet
- Model #: CHIYB0051BU1X4
- $178.99 –
- Free Shipping
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RCPORT-TD420 Long Range Serial RS232 to USB Adapter Wireless 300M
- Model #: CHIYB0DW3QVFPK
- $177.99 –
- Free Shipping
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RCPORT-TD450 Long Range Bluetooth RS422/485 Serial Adapter Wireless 300M D-SUB9(M)
- Model #: CHIYB0DWFH3QRH
- $177.99 –
- Free Shipping
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RCPORT-TD410 Battery Long Range Bluetooth RS232 Serial Adapter Wireless 300M D-SUB9(F)
- Model #: CHIYB0DW3XFCWJ
- $195.99 –
- Free Shipping
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PCIE 1x to 4-Port RS232 Serial Port Card Adapter 2-Port 4-Port Expansion Card Desktop Purpose COM Card(2 Port)
- Model #: TOLDB0F44FVP2K
- $89.99 –
- Free Shipping
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Industrial 4 Ports Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/TCP Client/UDP Mode
- Model #: CHIYB0844YFWHT
- $188.99 –
- Free Shipping
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Usr-Tcp232-410S RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS (2)
- Model #: CHIYB0F3CYL57T
- $155.99 –
- Free Shipping
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Sena SD1000U Long Range Bluetooth-USB Adapter for Serial Port Replacement
- Model #: RCCWB01BMV1UQS
- $268.99 –
- Free Shipping
