Equipment information

Telecommunications Techniques Corporation T-BERD 305 Analyzer
Manufacturer:
Telecommunications Techniques Corporation
Model: T-BERD 305
Date: 1988
Category: Measurement instruments
Group: Analyzer
Description: DS3 Analyzer
Information:
                                    The T-BERD 305 is a comprehensive DS3 analyzer that conducts
simultaneous error and performance analysis. The T-BERD 305
is used for out-of-service testing or in-service monitoring,
and is suited for testing DS3 communications across any
medium, including coaxial cable, fiber optic cable, and
microwave systems.
The T-BERD 305 features a simultaneous array of logic,
bipolar violation, frame, and parity error measurements. The
ability to simultaneously measure error conditions means
that the user can obtain a complete set of measurements in a
single test. These measurements can also be viewed without
interrupting a test in progress.
The T-BERD 305 is packaged in a rugged aluminum case
weighing less than 15 pounds, ensuring portability for use
in the field.
1.3 SUMMARY OF KEY FEATURES
The following list describes the T-BERD 305’s features and
characteristics.
• Simultaneous Result Accumulation of error measurements,
performance measurements, and signal measurements allows
testing time to be minimized without compromising the
thoroughness of the test.
• Frame and Parity Error Counting can be performed on live
data, providing the user with the capability to conduct
in-service monitoring.
• Threshold Error Seconds is a count of the number of
seconds in which the error rate exceeds a user-defined
threshold, from 102 to 109. This feature allows unmanned and
long-term testing when exception reporting only is desired.
The threshold can be defined for logic, BPV, and frame error
rates.
• Error Measurements include logic, bipolar, and frame
errors as well as associated error rate, errored second, and
percent error-free seconds calculations. An optional remote
control interface additionally provides remote testing
capabilities.
® Pattern Slips Count correlates slips and error bursts.
When a slip is detected, the T-BERD 305 counts the slips and
the resultant errors, but instantaneously resynchronizes to
the input pattern. By maintaining synchronization and
keeping the slips and errors count, the T-BERD 305 allows
quick isolation of pattern slips as the source of errors.
• The Insertion of Single and Burst Errors simulates live
traffic conditions and tests the recovery time of DS3
equipment. The burst characteristics are user-defined and
the burst error rate can be set from 10-2 to 10The burst
duration can be set from 0.025 seconds to 5 seconds in 0,025
second increments.
• A Signal Analysis Option is used in conjunction with error
and performance analysis. Complete with signal level, signal
power, and frequency measurements, this option can be used
to check DS3 signal level during installation and to
correlate error bursts with level dropouts or frequency
variations.
• A DS1 Drop Option allows simultaneous monitoring of the
DS3 signal and any one of the DSl signals within it, The DSl
signal is presented at a rear panel WECO 310 connector,
which interfaces with a variety of DSl test instruments.
• Extended-Length Pseudorandom Patterns support thorough
stress-test- ing of DS3 equipment and systems.
• A Printer Interface permits automatic printouts to be
initiated by test completion, errored seconds, or regular
time intervals.
® Remote Control Option enables unmanned testing or
long-term monitoring from a remote site.
• Thru Data Error insertion permits burst errors to be
inserted on live traffic, thus testing the tolerance and
recovery time of receiving equipment, and exercising system
alarms and protection switching.

These manuals are available for the above equipment:

Telecommunications Techniques Corporation -- T-BERD 305 -- User Manual
File name: TTC-8435-Manual-Page-1-Picture
Manual Type: User Manual
Pages: 151
Size: 3.31 Mbytes (3475872 Bytes)
Language: english
Revision:
Manual-ID/Number: ML10385-02
Date: 01 May 1988
Quality: Scanned document, all readable.
Upload date:
MD5: dd6da99dfa61dc1bd4f0786a9431166d
Downloads: 11 since 15 January 2017
Information:
General Information
................................................................
1-1
Introduction................................................................................
I-1
Instrument
Overview...............................................................
I-1
Summary of Key
Features.......................................................
1-i
Instrument Description
............................................................ 2-1
Introduction................................................................................
2-1
Operating Modes
.....................................................................
2-1
Front
Panel................................................................................
2-2
Measurements and Auxiliary
Functions.............................. 2-10
Rear Panel
................................................................................
2-17
Pull-Out Reference
Card..........................................................
2-21
Preparation For
Use..............................................................
3-1
Introduction................................................................................
3-1
Unpacking
................................................................................
3-1
Equipment
Included..................................................................
3-1
Instrument Checkout
...............................................................
3-1
Test Procedures
....................................................................
4-1
Introduction................................................................................
4~ I
Out-Of-Use
Testing..................................................................
4-1
In-Service Monitoring
............................................................. 4-5
Printer/Remote Control Interfaces
....................................... 5-1
Introduction.................................................................................
5-1
Interface Description
...............................................................
5-1
Printer Operation
.....................................................................
5-2
Remote Control
Operation.......................................................
5-8
Remote Control
Commands....................................................5-18
Maintenance and
Service.......................................................
6-1
Introduction.................................................................................
6-1
Maintenance
..............................................................................
6-1
Service
......................................................................................
6-2
Specifications..............................................................................
7-1
Introduction.................................................................................
7-1
General Specifications
............................................................. 7-1
Input
Specifications...................................................................
7-1
Output
Specifications................................................................
7-2
Front Panel
Specifications.......................................................
7-3
Title P§9®
7.6 Pattern
Specifications.................................................................7-5
7.7 DS3
Framing................................................................................7-6
7.8 Measurement
Specifications......................................................7-7
7.9 Connectors
...................................................................................7-9
7.10 Grounding
...................................................................................7-9
7.11 Optional Measurements
............................................................7-9
8.0 Options and
Accessories.......................................................8-1
8.1
Introduction...................................................................................8-1
8.2 Options
........................................................................................8-1
8.3
Accessories...................................................................................8-2
Appendix A T-BERD 305 On-Line Help
Manual........................................A-l
Appendix B Conditions Affecting Results
....................................................B-l
Functional
Index......................................................................................................I-l
TTC-8435-Manual-Page-1-Picture
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