Terminal Attachment Services
UL provides a wide range of terminal attachment testing and certification services. These services are available to assist you in successfully bringing your product to market both domestically and internationally.
United States and Canada
UL is a Telecommunications Certification Body for Scope C under the Federal Communications Commission TCB program. In addition, we are an active member of the Telecommunications Industry Association (TIA) TR41.9 Subcommittee (Technical Regulatory Considerations), the TR41.9.1 Working Group (Industry Version of Part 68), and a member of the Administrative Council for Terminal Attachments (jointly sponsored by the TIA and the Alliance for Telecommunications Industry Solutions - ATIS)
|TIA/EIA-968||Analog and Digital interface testing (Formerly FCC Part 68)|
Industry Canada has approved UL as a Testing Facility for telecommunications terminal equipment.
Analog and Digital interface testing
UL has been designated as a Conformity Assessment Body (CAB) for radio and telecommunications terminal equipment. As a "Notified Body" under the R&TTE Directive, UL can identify and approve the essential radio test suites applicable to a product (ANNEX III) and review and approve a manufacturer's technical construction file demonstrating compliance with the identified essential requirements (ANNEX IV).
UL is a member and participant in the Radio and Telecommunications Terminal Equipment Compliance Association (R&TTE CA).
Terminal equipment connected to circuit switched data networks using an X.21 interface
Terminal equipment connected to packet switched public data networks using an X.25 interface
ISDN Basic access terminal
Layers 1, 2, and 3
ETS 300 047
ISDN Primary access terminal
Layers 1, 2, 3
ETS 300 046
Digital leased line - unstructured 2048 kbit/s
Digital leased line - structured 2048 kbits/s
Digital leased line - structured or unstructured 34 Mbits
G.703 2048 kbit/s - 75 ohm unbalanced (PD 7024)
B.703 8448 kbit/s - 75 ohm unbalanced (PD 7025)
G.703 34368 kbit/s - 75 ohm unbalanced (PD 7026)
Analog leased line - 2 wire (Excluding acoustic requirements)
Analog leased line - 4 wire (Excluding acoustic)
PAN European analog interface testing including ATAAB and National notes
Australian communications authority (ACA)
General telecom requirements
Leased line requirements
Digital interfaces (2 Mb/s only)
UL has been appointed a recognized testing agency (RTA) under the HKTEC Scheme to conduct evaluation tests of telecommunications equipment against HKTA specifications issued by the Telecommunications Authority (TA). Under this Scheme, the TA will examine the test reports produced by UL as a RTA and issue certificates for the telecommunications equipment.
Connection of customer premises equipment to PSTN (e.g. modems, telephones)
ISDN Basic Rate Access based upon ITU-T Recommendations - S/T Interface
ISDN Primary Rate Access based upon ITU-T Recommendations at 1544 kbit/s - T1 Interface
Digital leased circuits at data rate of 2048 kbit/s - E1
JATE Analog requirements
JATE Digital requirements
New Zealand Communications Authority
IDA TS Series
Type Approval Specifications for terminal equipment