3com S27x User Manual

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About the PathBuilder S24x, 26x, and 27x switch

FCC regulations and telephone company procedures prohibit connection of 
customer-provided equipment to telephone company-provided coin service (central 
office-implemented systems). Connection to party lines is subject to state tariffs.

Occasionally, the telephone company may make changes in their equipment, 
operations, or procedures. If these changes affect your equipment or service, the 
telephone company will provide written notice so you can make the necessary 
changes to maintain uninterrupted service.

Contact your telephone company if you have any questions about your telephone 
line.

In some circumstances, the telephone company may ask you for information about 
your equipment that is connected to the telephone line. Within the United States 
(at the request of the telephone company), you should provide your equipment’s 
FCC registration number. This number is AT9USA-21085-DD-N and is located on 
the unit’s label.

Before you connect the PathBuilder S24x, 26x, and 27x switch DSU option to the 
network, you must provide the telephone company with the information shown 
below.

56-kbps digital interface RJ48S

6.0F

04DU5-56