Taiwanese Class A Warning Statement; Chinese Class A Warning Statement - IBM BladeCenter 4-Port Installation Manual

any failure to satisfy the protection requirements resulting from a
nonrecommended modification of the product, including the fitting of non-IBM
option cards.
This product has been tested and found to comply with the limits for Class A
Information Technology Equipment according to CISPR 22/European Standard
EN 55022. The limits for Class A equipment were derived for commercial and
industrial environments to provide reasonable protection against interference
with licensed communication equipment.
Attention: This is a Class A product. In a domestic environment this product
may cause radio interference in which case the user may be required to take
adequate measures.

Taiwanese Class A warning statement

Chinese Class A warning statement

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IBM BladeCenter 4-Port Gb Ethernet Switch Module: Installation Guide