Telecommunications Techniques Corporation T-Berd 211 Analyzer
Manufacturer:
Model:
T-Berd 211
Date:
1994
Category:
Group:
Description:
T-CARRIER ANALYZER

Information

The T-Berd 211 is a portable test instrument that comprehensively analyzes T1 and TIC transmission systems. Used in the central office and in the field, the T-BERD 211 is used during circuit installation, acceptance testing, and fault isolation. In the central office, the T-Berd 211 can either generate and receive test patterns for out-of-service testing or monitor T1 and TIC circuits without service interruption. In the field, the instrument detects and isolates problems related to customer-owned equipment (e.g., Customer Service Unit (CSU)) and detects problems originating from the T1 span line; no CSU is required for span line testing. The T-Berd 211 offers these key features and characteristics: (1) D4, ESF, and SLC*-96 framing patterns offer compatibility with a variety of framing formats. An unframed mode is also available for applications where framing is not required. (2) Summary Test Results category displays key non-zero and “out- of-spec” results, eliminating the search through long lists of test results. (3) Automatic Configuration Mode lets the T-BERD 211 configure to the proper line rate (T1 or TIC), framing, coding, and pattern. No set-up is required when monitoring live circuits. (4) Simultaneous Logic Error, Bipolar Violation, and Frame Error Analysis with associated error rate, errored seconds, and percent error-free seconds calculations. (5) Signal Analysis with simplex current, signal level, timing slip, and recovered clock frequency measurements. (6) Jitter Analysis with jitter wideband and highband measurements, and a Spectral Analysis option that displays the relative amount of jitter as a percentage of a specification mask. The T-Berd 211 also features a jitter alarm LED that immediately illuminates when jitter is present on the received T1 signal. (7) Pulse Shape Analysis allows you to measure the height, width, rise time, fall time, overshoot and undershoot of a T1 pulse. Pulse shapes can also be measured for conformance to AT&T Compatibility Bulletin 119 or ANSI T 1.403 Network Interface specifications. (8) Slips and Wander measurements identify wander impairments or the potential for frame slips. (9) Logic, BPV, and Frame Error Insertion enables the T-BERD 211 to simulate errors as they actually occur. Errors may be inserted singly, in a burst, or at variable rates. (10) RS-232 Printer/Remote Control Interface allows you to print graphic displays (e.g., pulse shapes) and error analysis results, and to remotely control the T-Berd 211, (11) Results History Buffer stores up to 6 sets of your most recent test results which can be viewed from the front panel (12) All Zeros test pattern allows the T-Berd 211 to test B8ZS and ZBTSI circuits where the zeros are encoded to meet specification requirements limiting excess zeros. When transmitting all zeros, the T-Berd 211 determines if the circuit is capable of transporting B8ZS encoded data. (13) Automated bridge tap detection test allows the T-BERD 211 to more thoroughly evaluate a T1 span for bridge taps. The test automatically generates 21 test patterns which are monitored for errors. The T-Berd 211 displays the cumulative test results and which patterns experienced one or more bit errors on the front panel. It also provides a RESULTS printout which indicates the number of bit errors, errored seconds, and pattern synchronization seconds for each pattern. (14) Automated multipattern test simplifies testing by generating five standard T1 test patterns in 15 minutes, eliminating the need to perform individual tests with each pattern. The T-Berd 211 displays the cumulative test results for the test and which patterns experienced one or more bit errors on the front panel. It also provides a RESULTS printout which indicates the bit error, errored second, and pattern synchronization second results for each pattern. (15) Clear history and printer buffers function allows the T-Berd 211 to clear the history and printer buffers of stored results. (16) Printer squelch function automatically suspends the T-Berd 211 printouts when excessive alarm, error, and severely errored second conditions occur during a test. (17) Optional programmable long user pattern allows a 1- to 2000- character hexadecimal pattern to be transmitted to determine circuit sensitivity to the pattern. The option also provides a minimum/ maximum density stress pattern selectable from the front panel PATTERN switch (MIN/MAX test pattern). (18) Optional T1 ZBTSI encoded Extended Superframe Mode allows the T-Berd 211 to transmit and receive ZBTSI (Zero Byte Time Slot. Interchange) encoded ESF framed T1 data. The option also allows framing errors to be inserted in the ESFz F-bits or Z-bits.

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User Manual
Manual type:
User Manual
Pages:
122
Size:
2.93 Mbytes (3072981 Bytes)
Language:
english
Revision:
P
Manual ID:
50-12257-01
Date:
1994 06 01
Quality:
Scanned document, all readable.
Upload date:
2017 01 10
MD5:
a90a7503af9102bab3a1714c7dd26f1f
Downloads:
1313

Information

The T-Berd 209A.211 User’s Guide presents the most often used T-Berd 209A.211 test setups in complete and concise steps. Illustrations, helpful notes, and step-by-step procedures make this manual a unique aid for novice and experienced users alike. If you are unfamiliar with the instrument, refer to the T-BERD 209A/211 Reference Manual for more detailed information. If you require additional help, call TTC Customer Service at (800) 638-2049. The user’s guide is divided into the following sections: BASIC SETUPS — Describes setup procedures to generate printouts and perform timed tests with the T-Berd 209A.211. TESTING T1 NETWORKS—Describes several T-Berd 209A.211 standard applications. Each application describes how to configure the T-Berd 209A.211 mainframe, connect to the circuit being tested, and interpret the test results. TDR TESTING — Provides instructions to set up and use the TDR Option to identify and locate cable problems on XI span cable sections. ADVANCED TESTING — Describes setup procedures and results interpretation for several T-Berd 209A.211 advanced options, including the Enhanced ESF Option, FT1 Option, Channel Monitor Option, and Advanced BERT Option. TESTING NEWLY INSTALLED T1 SPANS —Presents applications that use the T-BERD Repeater Power supply to power anew T1 span and use the T-Berd 209A.211 to test the span. Each application describes how to configure the T-BERD Repeater Power Supply, configure the T-Berd 209A.211 mainframe, connect to the circuit being tested, and interpret the test results. TESTING DIGITAL LOOP CARRIER (DLC) NETWORKS Describes setup procedures and results interpretation for testing DLC networks using the T-Berd 209A.211 DLC Analyzer Lid Option.

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User Manual
Manual type:
User Manual
Pages:
348
Size:
1.19 Mbytes (1244627 Bytes)
Language:
english
Revision:
P
Manual ID:
50-10995-02
Date:
1994 06 01
Quality:
Scanned document, all readable.
Upload date:
2017 01 10
MD5:
b7a5363256945dde8cf927413de47ddf
Downloads:
1081

Information

The purpose of this reference manual is to provide information about the physical features, functional operation, and specifications of the Telecommunications Techniques Corporation (TTC) T-Berd 209A and T-BERD 211 T-Carrier Analyzers. This manual provides information on the following options that are available for the T- BERD 209A and T-Berd 211, • G.821 Performance Analysis Option (209A/211-1) • Jitter Spectral Analysis Option (211-2) • Rechargeable Lead-Acid Battery Option (209A-2) • Advanced BERT Option (209A/211-3) • Enhanced ESF Option (209A/211-4) • Time Domain Reflectometer Option (209A/211-5) • Fractional T1 Option (209A/211-6) • T-BERD DLC Analyzer Option (209A/211-96) • T-BERD T1 Channel Monitor Option (Model 40849) • T-BERD Repeater Power supply Option (Model 41084) In addition to this manual, a T-Berd 209A.211 User’s Guide provides information on setting up and operating the T-BERD 209A and T-Berd 211 in a number of in-service and out- of-service applications.

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User Manual
Manual type:
User Manual
Pages:
276
Size:
6.65 Mbytes (6968667 Bytes)
Language:
english
Revision:
A
Manual ID:
ML10995-02
Date:
1990 07 01
Quality:
Scanned document, all readable.
Upload date:
2017 01 15
MD5:
d5ca4ca92545f3fd6daf3ad577a81349
Downloads:
734

Information

1.0 GENERAL INFORMATION ... ... 1-1 1.1 Introduction ... ... 1-1 1.2 Instrument Overview ... 1-1 2.0 INSTRUMENT DESCRIPTION ... ... 2-1 2.1 Introduction ... ... 2-1 2.2 Controls, Indicators, and Connectors ... ... 2-1 2.3 Operating Modes ... ... 2-17 2.4 Auxiliary Functions ... ... 2-21 2.5 Test Patterns ... 2.6 Measurements ... 2-58 3.0 PREPARATION FOR USE ... ... 3-1 3.1 Introduction ... ... 3-1 3.2 Unpacking ... ... 3-1 3.3 Equipment Included ... ... 3-1 3.4 Instrument Checkout ... 3-1 4.0 OPERATION ... ... 4-1 4.1 Introduction ... ... 4-1 4.2 T1 Testing ... ... 4-1 4.3 Simplex Current Measurement and CSU Emulation ... ... 4-11 4.4 Signal Level Measurement ... ... 4-15 4.5 SLC-96 Testing ... ... 4-16 4.6 T1C Testing ... ... 4-23 4.7 Multipat and Bridgtap Testing ... , ... 4-28 4.8 Measuring Timing Slips and Wander ... ... 4-31 4.9 Measuring Pulse Shape ... ... 4-40 4.10 Measuring T1 Jitter ... 4-45 5.0 PRINTER/REMOTE CONTROL Interface ... ... 5-1 5.1 Introduction ... ... 5-1 5.2 Interface Description ... ... 5-1 5.3 RS-232 Pin Configuration ... ... 5-2 5.4 Printer Operation ... ... 5-3 5.5 Remote Control Operation ... ... 5-9 5.6 Remote Control Commands ... ... 5-19 6.0 MAINTENANCE AND SERVICE ... 6-1 6.1 Introduction ... 6-1 6.2 Maintenance ... 6-1 6.3 Service ... 6-2 7.0 SPECIFICATIONS ... 7-1 7.1 Introduction ... 7-1 7.2 General Specifications ... 7-1 7.3 Input Specifications ... 7-1 7.4 Output Specifications ... 7-2 7.5 Front Panel ... 7-3 7.6 Pattern Specifications ... 7-6 7.7 Loop Codes ... 7-7 7.8 Measurements ... 7-8 7.9 Connectors ... 7-10 7.10 Grounding ... 7-12 8.0 OPTIONS AND Accessories ... 8-1 8.1 Introduction ... 8-1 8.2 Options ... 8-1 8.3 Accessories ... 8-2 Appendices A. Discussion of G.821 ... A-1 B. References ... B-1 C. T-BERDT1 Channel Monitor Option ... C-1 D. Jitter Masks ... , ... D-1 D. Jitter Masks ... D-1 E. Minimum/Maximum Stress Pattern ... E-1

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