3com V7111 ユーザーズマニュアル

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Telecommunication Safety 
The safety status of each port on the gateway is declared and detailed in the table below: 
 
Ports Safety 
Status 
Ethernet (100 Base-TX) 
SELV 
FXS (ODP P/N’s) 
TNV-3 
FXS TNV-2 
 
TNV-3: Circuit whose normal operating voltages exceeds the limits for an SELV circuit under 
normal operating conditions and on which over voltages from Telecommunication Networks 
are possible 
TNV-2: Circuit whose normal operating voltages exceeds the limits for an SELV circuit under 
normal operating conditions and is not subjected to over voltages from Telecommunication 
Networks 
SELV:  Safety extra low voltage circuit. 
FCC Statement 
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. 
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. 
3Com VCX V7111 Analog Gateway Installation Guide 
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