Hi, does this use dhcp to get itself an ip on initial connection to a network?

No, NETRS2321P has a default IP address of 10.1.1.1 when initially installed and we recommend connecting a computer directly to the unit with Ethernet to change the IP address to match your network. Matt, StarTech.com Support

Can i use this with ups to connect it to my synology sever ? ups not have usb port m just rs232

In order to map a virtual COM port, you will need to have a supported version of Windows running on that server. Feel free to contact us directly using our website if you have more specific questions. We'd be happy to answer them. Brian, StarTech.com Support

Can this device be configured to work over the internet/cloud ? we'd like to access a weather station remotely that sends data over rs232 @ 19,200 8n1

Yes, it works great over the cloud. Have fun with it.

How can i diagnose why it isn't connecting to my CNC mill?

Using a terminal program make sure you can connect to it serially. Then use wire shark to check the packets in the TCP/IP

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StarTech.com 1-Port Serial-to-IP Ethernet Device Server, RS232, Aluminum, TAA - Replaced by I13-SERIAL-ETHERNET

StarTech.com 1-Port Serial-to-IP Ethernet Device Server, RS232, Aluminum, TAA - Replaced by I13-SERIAL-ETHERNET

Product ID: 11501239

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Details

Brand
StarTech
Hardware Interface
Ethernet
Color
Black
Compatible Devices
Desktop
Data Link Protocol
Ethernet
Data Transfer Rate
230.4 Kbps

🌐1-port RS232 to Ethernet IP

⚙️230.4 Kbps max baud rate

🛠️Rugged aluminum housing

Description

🌟 Connect Smarter, Manage Remotely, Win Big!

BUILT TO ENDURE - Durable aluminum chassis with versatile DIN rail or wall mounting for industrial-grade reliability.
IT PROS TRUSTED CHOICE - Backed by 2-year warranty and free lifetime 24/5 multilingual tech support—because downtime isn’t an option.
BLAZING FAST DATA TRANSFER - Experience up to 230.4 Kbps baud rate for ultra-responsive communication.
CROSS PLATFORM COMPATIBILITY - Works flawlessly with iOS, Android, Windows, and browser-based apps for ultimate flexibility.
SEAMLESS SERIAL OVER IP CONTROL - Manage RS232 devices remotely over any IP network with ease.

The StarTech.com 1-Port Serial-to-IP Ethernet Device Server (NETRS2321P) transforms your RS232 serial devices into network-ready assets, enabling remote management over LAN with blazing 230.4 Kbps speeds. Housed in a rugged aluminum case with flexible mounting options, it supports multiple OS platforms and protocols, making it the go-to solution for IT professionals seeking reliable, scalable serial device connectivity backed by a 2-year warranty and lifetime tech support.

Specifications

Brand	StarTech
Series	1 Port RS232 Serial to IP Ethernet Converter / Device Server,Aluminum
Item model number	NETRS2321P
Hardware Platform	PC
Operating System	Windows 8 Windows 7 Windows 10 Windows Server 2012 Windows Server 2016 Windows Server 2019
Item Weight	3.2 ounces
Product Dimensions	3.4 x 2.1 x 0.9 inches
Item Dimensions LxWxH	3.4 x 2.1 x 0.9 inches
Color	Black
Batteries	1 Lithium Polymer batteries required.
Manufacturer	StarTech.com
ASIN	B00FJEHNSO
Is Discontinued By Manufacturer	No
Date First Available	October 16, 2013

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