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Quantum USB to 8 Port RS232 Serial Adapter with FTDI Chip for Industrial Automation
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POE Serial Port Server/RS232 RS485 Serial Port to Ethernet Network to Serial Port/Modbus
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  • $267.99 –
  • Free Shipping
Stable Performance For Moxa 1-port RS-232/422/485 USB-to-serial Converter UPort 1150
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  • $206.31 –
  • Free Shipping
USB2.0 to RS232 RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M (RS232/RS422/RS485)
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  •  
  • $83.80 –
  • Free Shipping
RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter
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RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter

Limited time offer, ends 10/13

  • Model #: IW-ADD-convert-84
  •  
  • $34.89 –
  • Free Shipping
USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux
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  • $33.99 –
  • Free Shipping
Passive RS232 to RS485 Serial Converter, Port-Powered Bidirectional Communication Adapter with Surge Protection
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  • $26.64 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
DB9 RS232 Male to RJ45 Female Serial Extender Adapter Card, Serial Port Over CAT5/CAT6 LAN Ethernet Cable
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Available Direct from AJMRTC Available Direct from AJMRTC
FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable
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FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable

Limited time offer, ends 10/15

  • Model #: C745-Lsy721-266
  •  
  • $51.75 –
  • Free Shipping
FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable
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FTDI CHIP 4 Port USB to Serial RS232 DB9 Adapter Cable

Limited time offer, ends 10/07

  • Model #: C6WV-0804-OYJ-385
  •  
  • $51.73 –
  • Free Shipping
CH340 USB to RS232 DB9 9Pin Serial Adapter Cable USB to COM Port Converter for Laptop Desktop Windows 98 XP 7 8
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  •  
  • $26.84 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
PCI-E 1X 2-Port Serial Expansion Card AX99100 Chip, Dual DB9 Male COM Ports Support RS232 RS485 RS422 with 12CM Standard Bracket
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  • $40.30 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
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  • $40.30 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
SI-PEX50103 PCIe x1 Card 2 DB25 Parallel +1 DB9 Serial Port Low Profile Bracket Support SPP EPP ECP RS232 RS485 RS422 Centronics
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  • $41.90 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
DB9 Male RS232 Breakout Board with Solder-Free Terminals & Protective Housing, D-SUB Serial Port Terminal Adapter
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  • $23.84 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
TRENDnet USB Type C to RS-232 DB9 Serial Adapter, TUC-S9, Connect an RS-232 Serial Device to a USB Type C Port on Your Computer, 1.8m (5.9ft), Supports USB 3.0/2.0/1.1, Supports Windows
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TRENDnet USB Type C to RS-232 DB9 Serial Adapter, TUC-S9, Connect an RS-232 Serial Device to a USB Type C Port on Your Computer, 1.8m (5.9ft), Supports USB 3.0/2.0/1.1, Supports Windows
  • Brand: TRENDnet
  • Type: Switches
  • Length: 7.000
  • Features: Connect an RS-232 serial device, such as a switch, POS system, a modem, to a USB type C port on your computer 5.9 ft. / 1.8m cable for easy installation Supports USB 2.0, and compatible with USB 1.1 and USB 3.0 ports Supports Windows® 2-year warranty
  • Model #: TUC-S9
  •  
  • $17.99 –
  • $6.99 Shipping
Direct from TRENDnet Direct from TRENDnet
MM-PCI16C1058-8S PCI to 8-Port RS232 Serial Adapter Card 926.1Kbps Desktop COM Port with 1 to 8 DB9 Serial Cable Support PCIIRQ Sharing
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  • $55.74 –
  • Free Shipping
Direct from ZFBASCENTGO Direct from ZFBASCENTGO
PCI express 1 Serial and 1 parallel port Expression Card RS232 Printer port PCIe PCI-e riser Card
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  • $22.99 –
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
TRENDnet TU-S4, 4-Port USB to Serial RS232 Hub, Black
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TRENDnet TU-S4, 4-Port USB to Serial RS232 Hub, Black
  • Brand: TRENDnet
  • Model: TU-S4
  • Type: Switches
  • Length: 11.000
  • Model #: TU-S4
  •  
  • $56.99 –
  • Free Shipping
Direct from TRENDnet Direct from TRENDnet
BUCIER Laptop SATA to IDE Adapter, Convert 2.5 Inch Serial ATA HDD Hard Disk Drive or SSD to 44 Pin Male PATA Port (Parallel Type)
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  • $19.99 –
  • Free Shipping
Direct from BUCIER Direct from BUCIER
PCI Expansion Card with 1×DB9 RS232 Serial Port + 1×DB25 Parallel Port, ASIX AX9865 Chip, COM & LPT Printer Riser Adapter
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  • $43.00 –
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
Gearmo Industrial USB 8 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
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  •  
  • $149.99 –
  • $5.99 Shipping
Direct from GearMo Direct from GearMo
CoolGear 8-Port RS-232 PCI Express Serial Board with Oxford Chip
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CoolGear 8-Port RS-232 PCI Express Serial Board with Oxford Chip
  • Type: PCI Express to Serial Port Card
  • External Ports: 8 x Serial Ports
  • Operating Systems Supported: Linux Mac OSX Win 7 Win 8/8.1 Win Vista Win XP
  • Model #: PCIe-8RS2
  •  
  • $178.29 –
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear