VIAVI Solutions T-BERD User manual

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T-BERD/MTS 5800 Portable Network Tester
T-BERD/MTS-5800 Portable Network Tester
QUICK CARD
DS3 Bit Error Rate Testing (BERT)
This quick card describes how to configure and run a DS3 Bit Error Rate Test to a hard
loop, or another similarly configured T-BERD.
•T-BERD/MTS 5800 equipped with the following:
oBERT software release V30.1.0 or greater
oC5DS3STS1 test option: DS3/STS-1 Electrical
oC5DUALPORT test option: Dual Port option
(required on T-BERD 5800-100G only)
•Two (2) mini-BNC to BNC adapters (CB-MINITOBNCQTY1)
for T-BERD 5800-100G and T-BERD 5882 only
•One of the following DS3 cable sets to connect the
T-BERD 5800 DS3 Port(s) to the line under test:
oTwo (2) BNC to BNC cables (CB-30662)
oTwo (2) BNC to WECO 440A cables (CB-015837) Figure 1: Equipment Requirements
LAUNCH TEST
1. Press the Power button to turn on the
T-BERD.
2. Press the Test icon at the top of the
screen to display the Launch Screen.
3. Using the Select Test menu, Quick Launch
menu, or Job Manager, launch the
DS1/DS3►DS3►DS3 BERT►Terminate
test.
4. Tap to open the Tools Panel and
select .
5. Press to continue.
Figure 2: Launch Screen
Figure 3: Tools Panel

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T-BERD/MTS 5800 Portable Network Tester
T-BERD/MTS-5800 Portable Network Tester
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2
•The followingInformation is needed to
configure the test:
•DS3 Framing (C-BIT or M13)
•Clock Source (Internal or Recovered)
•Test Patterns(s)
•BER Pass/Fail Threshold
1. Press the Setup soft key on the top right
side of the screen.
2. Select the indicated folders and configure
your test as follows. Leave all other values at
default, unless specified in the work order.
3. Press the Results soft key to view the
Test Results screen.
Figure 4: Work Order
CONFIGURE TEST
Folder
Option
Value(s)
Interface
Rx Input
Term
Clock Source
If unknown,
select “Internal”
Clock Offset
0 ppm
LBO
0 dB
Framing
Framing
If unknown,
select “C
-BIT”
Pattern
Pattern Mode
ANSI
Pattern
2^23
-1 ANSI
Figure 5: Setup, Interface
Figure 7: Setup, Pattern
Figure 6: Setup, Framing

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T-BERD/MTS 5800 Portable Network Tester
T-BERD/MTS-5800 Portable Network Tester
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RUN TEST
1. Using drop-down menus , select
“Interface/Signal” for the right results display.
2. Press the Restart soft key .
3. Verify the following:
►Summary LED is green.
►Signal Present LED is green.
If the LED is red, check your cables.
Tx and Rx may be reversed.
►Frame Sync LED is green.
►RX Frequency (Hz)
= 44736000 +/- 895 Hz.
4. Using drop-down menus , select
“Payload/BERT” for the right results display.
5. Allow the test to run for desired duration and
verify the following:
►Pattern Sync LED is green.
►Bit/TSE Error Rate result does not
exceed your required threshold.
(0.00E+00 if pass/fail threshold unknown)
Figure 10: Results, Interface/Signal
CONNECT TO LINE UNDER TEST
•T-BERD 5811AND T-BERD 5822 mainframes
have BNC ports for DS3 testing. You may use
BNC to BNC or BNC to WECO cables to
connect the T-BERD to the line under test.
•T-BERD 5882 and T-BERD 5800-100G
mainframes have mini-BNC ports for DS3
testing. CB-MINITOBNCQTY1 adapters are
required to adapt to a standard BNC connector.
You may use BNC to BNC or BNC to WECO
cables to connect the adapter to the line under
test.
Figure 11: Results, Payload BERT
Figure 8: BNC Connectors
Figure 9: Mini-BNC Connectors

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T-BERD/MTS 5800 Portable Network Tester
T-BERD/MTS-5800 Portable Network Tester
QUICK CARD
© 2022 VIAVI Solutions, Inc,
Product specifications and descriptions in this
document are subject to change without notice.
Patented as described at viavisolutions.com/patents
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CREATE REPORT
6. In the T-BERD’s Quick Config menu, change
“Pattern” to the next value in the test plan.
7. Press the Restart soft key to reset results.
8. Allow test to run for desired duration and verify
the following:
►Pattern Sync LED is green.
►Bit/TSE Error Rate does not exceed
your requiredthreshold.
(0.00E+00 if pass/fail threshold unknown)
9. Repeat steps 6 through 8 for all Patterns in the
test plan. Patterns may include:
►Delay: Measures Round Trip Delay (RTD)
instead of Bit Errors (RTD values are
shown instead of BER in the
“Payload/BERT” results display)
►Others
Figure 12: Results, Quick Config
Figure 13: Results, Round Trip Delay
1. Tap to open the Reports Panel and
select . .
2. Tap .
3. A report will be saved to the T-BERD 5800’s
/bert/reports folder.
Figure 14: Create Report