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"Port Multiplier"
DB9 9Pin 1to2 COM 2in1 Splitter Cable, Male to Female RS232 Serial Port YCable, Type 2 POS Display Data Connection Cable for Cash Register Serial Signal Expansion
Limited time offer, ends 11/25
$21.93
Free Shipping
PCI-E 1X 2-Port Serial Expansion Card AX99100 Chip, Dual DB9 Male COM Ports Support RS232 RS485 RS422 with 12CM Standard Bracket
Limited time offer, ends 11/25
$40.51
Free Shipping
PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
Limited time offer, ends 11/25
$40.51
Free Shipping
FOR PCI-E Serial Port Card Pcie to 4 Serial Port RS232 9-Pin Industrial Control 4-Port Expansion Card AX99100 with Cable
Limited time offer, ends 10/31
$27.48
Free Shipping
SI-PEX50103 PCIe x1 Card 2 DB25 Parallel +1 DB9 Serial Port Low Profile Bracket Support SPP EPP ECP RS232 RS485 RS422 Centronics
Limited time offer, ends 11/25
$42.11
Free Shipping
DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303)
Limited time offer, ends 11/01
$16.87
Free Shipping
