IBM THINKPAD THINKPAD A30 Service And Troubleshooting Manual page 79

Hereby 3Com declares that this "3CN3ACx556", "3CN3ACx556B" and
"3CN3BM1556B" modem models are in conformity with the essential
requirements and other relevant provisions of Directive 1999/5/EC.
69
Appendix B. Product warranties and notices