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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🔗 Connect like a pro—4 ports, zero hassle, infinite possibilities!

MOUNT ANYWHERE - Versatile wall mount bracket and DIN Rail clip for seamless integration into your workspace.
BUILT TO ENDURE - Rugged metal casing and industrial-grade mounting options keep your gear secure in any environment.
EXPAND WITH CONFIDENCE - Add 4 reliable RS232 serial ports from a single USB connection—perfect for complex setups.
PLUG PLAY SIMPLICITY - No drivers or external power needed—just connect and get to work instantly.
STAY CONNECTED ALWAYS - Automatic COM port retention means your device assignments never get lost after reboot.

The StarTech.com USB to 4 Port RS232C Serial Converter Hub (ICUSB2324I) is a durable, industrial-grade USB-to-serial adapter featuring a sturdy metal housing and versatile mounting options including wall mount and DIN Rail clip. It supports 4 DB9 RS232 serial ports from a single USB connection, powered directly via USB with no external adapter needed. The device retains COM port assignments after reboot for seamless device management, making it ideal for professional environments requiring reliable serial connectivity.

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Display Size	1 Centimeters
Total Usb Ports	1
Connector Gender	Male-to-Female
Compatible Devices	PC
Finish Type	Metallic
Wireless Comm Standard	802.11n
Batteries Included	No
Batteries Required	No
Brand	StarTech.com(スターテック)
Manufacturer	スターテック(STARTECH.COM)
Item Model Number	ICUSB2324I
Model Year	2012
Operating System	not_machine_specific
Size	4ポート
Product Dimensions	17.78 x 5.84 x 2.29 cm; 299.37 g
Item Weight	0.66 Pounds

StarTech.com USB to 4 Port RS232C Serial Converter Hub Wall Mount DIN Rail Clip FTDI Chipset 1x USB A-4x DB-9 ICUSB2324I

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