Siemens Simatic Box PC 840 V2 Getting Started page 37

Approvals for the USA, Canada and Australia
Product safety
One of the following markings on a device is indicative of the corresponding approval:
EMC
USA
Federal Communications
Commission
Radio Frequency
Interference Statement
Shielded cables
Modifications
Conditions of operations
SIMATIC Box PC 840 V2
Getting Started, Edition 05/2006, A5E00244266-02
Underwriters Laboratories (UL) per UL 60950-1 (I.T.E) or per UL 508 (IND.CONT.EQ)
Underwriters Laboratories (UL) according to Canadian standard C22.2 No. 60950-1
(I.T.E) or C22.2 No. 142 (IND.CONT.EQ)
Underwriters Laboratories (UL) to Standard UL 60950-1, Report E11 5352 and
Canadian Standard C22.2 no. 60950-1 (I.T.E), or to UL508 and C22.2 no. 142
(IND.CONT.EQ)
UL recognition mark
Canadian Standard Association (CSA) per Standard C22.2. No. 60950-1 (LR 81690) or
per C22.2 No. 142 (LR 63533)
Canadian Standard Association (CSA) to the American Standard UL 60950-1
(LR 81690), or to the UL 508 (LR 63533)
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
Shielded cables must be used with this equipment to maintain compliance
with FCC regulations.
Changes or modifications not expressly approved by the manufacturer
could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Appendix
A.2 Certificates and Approvals
A-3