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.Com 4 Port Usb To Serial Rs232 Adapter - Wall Mount - Din Rail - Com Port Retention - Ftdi Usb To Db9 Rs232 Hub (Icusb2324I),Black

Startech.Com 4 Port Usb To Serial Rs232 Adapter - Wall Mount - Din Rail - Com Port Retention - Ftdi Usb To Db9 Rs232 Hub (Icusb2324I),Black

Product ID: 315083986

Details

Colour
Black
Compatible devices
Amplifier GPS
Connector type
USB Type B
Item dimensions L x W x H
17.8 x 5.8 x
Specific uses for product
Industrial in

📌Wall & DIN rail mountable

🔌4 USB to RS232 ports

🛠️Rugged all-metal enclosure

Description

⚡ Power your legacy gear with industrial strength and zero hassle!

LEGACY MEETS MODERN - Effortlessly add 4 RS232 serial ports to your USB-only devices—perfect for industrial and IT pros.
PLUG PLAY SIMPLICITY - Powered directly via USB—no external power adapters needed for instant connectivity.
VERSATILE MOUNTING OPTIONS - Includes wall brackets and DIN rail clips for flexible installation in any workspace.
INDUSTRIAL GRADE DURABILITY - Rugged metal housing built to thrive in harsh environments, ensuring long-lasting reliability.
SEAMLESS COM PORT RETENTION - Maintains your COM port assignments through reboots—no more tedious reconfigurations.

The Startech.Com 4 Port USB to Serial RS232 Adapter (ICUSB2324I) is a robust, industrial-grade hub 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 wall and DIN rail clips, it’s designed for seamless integration in harsh environments and professional setups. USB-powered and plug-and-play, it’s the ultimate solution for IT managers and industrial users needing reliable serial connectivity.

Specifications

ASIN	B008U3OVHW
Best Sellers Rank	#45,509 in Computers ( See Top 100 in Computers ) #127 in Serial Adapters
Brand	StarTech
Built-In Media	1 - USB to RS-232 Serial Adapter
Color	Black
Colour	Black
Compatible Devices	Amplifier, Cameras, GPS, Gaming Console, Laptop, MP3 Player, Monitor, PC, Speaker, Tablet
Compatible devices	Amplifier, Cameras, GPS, Gaming Console, Laptop, MP3 Player, Monitor, PC, Speaker, Tablet
Connector Type	USB Type B, DB-9
Connector type	USB Type B , DB-9
Customer Reviews	4.7 out of 5 stars 223 Reviews
External Testing Certification	CE, FCC, RoHS
Finish	Metallic
Global Trade Identification Number	00065030848343, 00163120552115, 07337331815670
Input Voltage	5 Volts
Item Dimensions	17.8 x 5.8 x 2.3 centimeters
Item Weight	299 g
Item Width	2.3 Inches
Item dimensions L x W x H	17.8 x 5.8 x 2.3 centimeters
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 Type	Limited

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