Verilink AS2000: The Basics (880-502981-001) Product Manual - Manual (Page 90)

Compliance Statements
A-2 Verilink Access System 2000: The Basics
Data Interface
Specifications
The following data interface specifications conform with CCITT
and ISO standards:
• X.21 (CCITT):
Interface Between Data Terminal Equipment (DTE)
and Data Circuit Terminating Equipment (DCE) for
Synchronous Operation on Public Data Networks (Geneva,
1972 through amendments Melbourne, 1988), which supports
only the lease line mode
• V.35 (CCITT), ISO 2593:
Data communication—34-pin DTE / DCE
interface connector and pin assignments (Second edition—
1984-02-01)
• RS-449:
General Purpose 37–Position and 9–Position Interface
for Data Terminal Equipment and Data Circuit–Terminating
Equipment Employing Serial Binary Data Interchange (EIA–
449—1 Electronic Industries Association, Washington, D.C.,
1980).
• EIA 530:
High Speed 25–Position Interface for Data Terminal
Equipment and Data Circuit–Terminating Equipment (EIA–530
Electronic Industries Association, Washington, D.C., 1987).
Mean Time
Between Failure
The mean time between failure (MTBF) calculations comply with the
following specification:
• Bellcore TR-000332:
Reliability Prediction Procedure for
Electronic Equipment. The mean time between failure must be
80,000 hours with a continuous duty cycle.
British Approvals Board of Telecommunications (BABT)
The following statements of compliance are presented in
accordance with the British Approvals Board of
Telecommunications (BABT) as per the Office of
Telecommunications (OFTEL) document OTR001 dated March 1988
and the following OTR001 appendices:
• Annex E: Technical Requirements for Signaling Converters
with Ports, TR3AAD, June 1989
• Annex F: Technical Requirements for Multiplexers with
Ports,TR3AAF, June 1989
• Annex E: Technical Requirements for Echo Cancelling Devices,
MP2AAH, June 1989
• TBR 13: January 1996
• EN60950:1992/A2:1993, IEC950:1991/A2:1993, National
Deviations, TS0001:1993, AS/NZS3260:1993, EN41003:1993
• ITU Recommendation G.703/4 (1991)