4 Port USB to Serial DB9 Industrial RS232 Adapter 15KV ESD and Surge


Rugged 4 port USB to serial RS232 adapter with DB-9 male connecting ports protected with 15KV ESD and 600W surge protection across all ports. With both bracket and DIN Rail mounting options, hub placement is versatile.

Model #: GM-U24RS232 Categories: ,


4 Port USB to Serial RS232 Mounting BracketsGearMo’s new 4 port USB to serial adapter is constructed with a rugged metal chassis and is mountable with included mounting brackets and screws, works with desktop or notebook computers.

  • Mountable metal chassis
  • Plug and Play installation
  • ESD and Surge Protection across all ports
  • Supports Windows 10 OS


Powerful Protection

All DB-9 male serial port connections are protected against 15KV ESD and power input surge protection of 600W for each port. The RS232 serial adapter is plug and play, no external power is needed but has optional DC input or has a 3-wire plug input, there is no power adapter included with this item.


USB to Serial Adapter Features

  • 4 ports RS232 DB-9 male with hex nut tightening
  • 15KV ESD protection for RS232 ports
  • Wall and DIN rail mounting support
  • Plug and Play, no additional power required
  • Power input surge protection (600W) for each port
  • OS Support for Windows 10, 8, 7, Vista, XP, and server 2003/2008 all 32/64-bit and Linux 3.6X
  • Item Dimensions: 165.50mm(L) x 84.02mm(W) x 26mm(H)


  • 4-Port Industrial USB to RS-232 Serial Adapter
  • User Manual
  • Driver CD
  • USB 2.0 Type A to B Cable
  • DIN-Rail and Surface Mount Kit

Additional information

Weight 1.2870 lbs
Package Dimensions 7.562 x 5.875 x 2.000 in
Item Dimensions

165.50mm(L) x 84.02mm(W) x 26mm(H)



Supported OS

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