Appendix
Real-time Ethernet port multiplier74
Version: 2.6
CU2508
Hardware (HW) Firmware (FW) Revision no. Date
00 - 07* 01 CU2508-0000-0016 2011/01
02 CU2508-0000-0017 2011/03
03 2012/05
04 2013/01
05 2013/01
06 2014/10
07 CU2508-0000-0018 2015/08
08 2016/02
09 2016/06
10 2017/05
11 2019/08
12* CU2508-0000-0019 2019/10
*) This is the current compatible hardware version at the time of the preparing this documentation. Check on
the Beckhoff web page whether more up-to-date documentation
is available.
5.4 Support and Service
Beckhoff and their partners around the world offer comprehensive support and service, making available fast
and competent assistance with all questions related to Beckhoff products and system solutions.
Beckhoff's branch offices and representatives
Please contact your Beckhoff branch office or representative for local support and service
on Beckhoff
products!
The addresses of Beckhoff's branch offices and representatives round the world can be found on her internet
pages:
http://www.beckhoff.com
You will also find further documentation for Beckhoff components there.
Beckhoff Headquarters
Beckhoff Automation GmbH & Co. KG
Huelshorstweg 20
33415 Verl
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Phone: +49 5246 963 0
Fax: +49 5246 963 198
e-mail: info@beckhoff.com
Beckhoff Support
Support offers you comprehensive technical assistance, helping you not only with the application of
individual Beckhoff products, but also with other, wide-ranging services:
• support
• design, programming and commissioning of complex automation systems
• and extensive training program for Beckhoff system components