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DB9 Male RS232 Serial Port Cable, Solderless 9-Pin COM Port Breakout Adapter Cable, 1.5m / 4.92ft
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  •  
  • $16.46 
  • Free Shipping
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
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  • $59.39 
  • Free Shipping
Passive RS232 to RS485 Serial Converter, Port-Powered Bidirectional Communication Adapter with Surge Protection
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  • $28.29 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
PCI serial card PCI TO 2 Port RS485 RS422 COM Serial Port adapter converter card
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PCI serial card PCI TO 2 Port RS485 RS422 COM Serial Port adapter converter card

Limited time offer, ends 09/19

  • Model #: C75J*OYJ*G1*0717-243
  •  
  • $92.96 
  • Free Shipping
M.2 B+M Key 2-Port RS232 DB9 Serial Expansion Card, PCIe NGFF Serial Controller Card
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  • $82.35 
  • 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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  • $42.19 
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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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  • $42.19 
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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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  • $43.79 
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Direct from AJMRTC Direct from AJMRTC
USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor With Female Adapter Supports for Windows 8 No CD
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  • $15.78 
  • Free Shipping
DB9 Male RS232 Breakout Board with Solder-Free Terminals & Protective Housing, D-SUB Serial Port Terminal Adapter
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  • $25.49 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
DTECH 6 Feet USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10 8 7 XP Mac
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  • $52.60 
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Direct from Corn Electronics Direct from Corn Electronics
6FT 9-Pin DB9 Serial RS232 Port to RJ45 Rollover Console Cable for routers, including the 600, 800, 1600, and 1700 series - 6FT
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  • $16.89 
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90 Degree Down Angled DB15 Male to Female Extension Coupler, 15Pin D-SUB RS232 Serial Port Right Angle Adapter
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  • $8.78 
  • Free Shipping
Direct from AJMRTC Direct from AJMRTC
USB to RS422 RS485 Serial Port Adapter Cable with FTDI Chipset 5 Position Terminal Board for Windows 11 10 8 7 XP Mac (4 Feet)
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  • $39.98 
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Direct from BUCIER Direct from BUCIER
(1.5m / 59 inch) USB to Serial Converter USB to RS-232 Adapter nine-pin com port DB9
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  • $29.99 
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10 Pack DB9 RS232 Serial Gender Changer Adapter, 9Pin Male to Male & Female to Female Serial Port Coupler Connector
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  • $33.79 
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Direct from AJMRTC Direct from AJMRTC
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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  • $28.49 
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Direct from AJMRTC Direct from AJMRTC
SerialGear 16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
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SerialGear 16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
  • Part Number: USBG-16COM-RM
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USBG-16COM-RM
  •  
  • $429.99 
  • $7.99 Shipping