Does this give "true" rs232 ~12v signals on pin 2 and 3 rather than just 5v? also it says "no power outlet required" but there is a plug?! what gives?

Technically the original spec has been modified many times. In 1981 when I first dealt with it, the values were 15 volts positive and negative. Thanks to the IBM PC that only had 12 volts positive and negative, many people mistakenly think that is the standard. Currently the standard will accept positive and negative 25 volts, with any signal above 3 volts or below negative 3 volts being valid (that value has not changed). I know and understand what you are asking for, a non-TTL signal level. I am ordering this myself and will let you know.

Is this taa compliant?

The country of origin is Taiwan. The company does has not posted a TAA cert. It is however, RoHS compliant and FFC approved. You may contact Star Tech for further info at Tel: (800)265-1844. As a product, I recommend it very highly. Sorry I cannot answer more directly.

Can i assign coms? for example ch1 = com1 ... ch16 = com16

Yes, you will be able to assign / change COM ports with the ICUSB23216FD. The ICUSB23216FD also supports COM port retention, which retains the assigned serial COM port values. Atha, StarTech.com Support

Doesn't seem to come with the power cable. Is there a name for that type of power cable?

ICUSB2322I pulls power from the USB host and does not require a power adapter. If the preference is to use a power adapter, any 5V, 0.5A (or higher) with an M barrel connector will work. Brandon, StarTech.com Support

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StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I) | FTDI USB to DB9 RS-232 Adapter Hub, DIN Rail and Wall Mountable, COM Port Retention

StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I) | FTDI USB to DB9 RS-232 Adapter Hub, DIN Rail and Wall Mountable, COM Port Retention

Product ID: 2247226

Details

Color
Black
Compatible Devices
Printer
Connector Type
Serial Adapter
Item dimensions L x W x H
7 x 2.3 x 0.9
Specific Uses For Product
Industrial in

🔄COM port retention on reboot

🔌4 USB to RS232 ports

🛡️Rugged all-metal enclosure

SAR 588

Duties & taxes included

In stock

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Description

🔗 Connect with confidence — industrial strength meets modern convenience!

LEGACY MEETS MODERN - Effortlessly connect legacy serial devices to modern PCs and servers, future-proofing your workflow.
PLUG PLAY SIMPLICITY - Powered directly via USB—no external power adapters needed for hassle-free setup.
VERSATILE MOUNTING OPTIONS - Includes DIN rail clips and wall brackets for flexible installation anywhere industrial or office.
INDUSTRIAL GRADE DURABILITY - Rugged metal housing built to thrive in harsh environments, ensuring long-lasting reliability.
SEAMLESS COM PORT RETENTION - Maintains your serial port assignments through reboots—no more tedious reconfiguration.

The StarTech 4-Port USB to Serial RS232 Hub (ICUSB2324I) is a robust industrial-grade adapter that converts one USB port into four RS232 serial ports. Featuring a rugged all-metal enclosure, COM port retention for consistent device mapping, and versatile mounting options including DIN rail and wall brackets, it’s designed for seamless integration in harsh environments and modern IT setups. USB-powered and plug-and-play, it’s the perfect solution for professionals needing reliable legacy device connectivity.

Specifications

ASIN	B008U3OVHW
Best Sellers Rank	#36 in Serial Adapters
Brand	StarTech.com
Built-In Media	User manual, cable or connector.
Color	Black
Compatible Devices	Printer
Connector Type	Serial Adapter
Customer Reviews	4.6 4.6 out of 5 stars (122)
External Testing Certification	CE, FCC, RoHS
Finish	Metallic
Global Trade Identification Number	00065030848343, 00163120552115, 07337331815670
Input Voltage	5 volts
Item Dimensions	7 x 2.3 x 0.9 inches
Item Weight	10.56 ounces
Manufacturer	StarTech.com
Mfr Part Number	ICUSB2324I
Model Number	ICUSB2324I
Nominal Power	1.5 watts
Number of Items	1
Number of Ports	4
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	Industrial serial device control, connectivity in harsh environments
UPC	100177410876 044111289022 065030848343 014444662885 151903389768 761651742939 163120552115 650308483434 042111893744 395782981471 851975714061 031112398754
Unit Count	1 Count
Warranty Description	2 Years
Warranty Type	Limited

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