Anrtisu Site Master S331D - Page 85

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Setup Error Insert — Opens the error insert menu which allows inser
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tion of the following errors in the transmitting signal.
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Bit — Configures the unit to insert bit errors.
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BPV — Configures the unit to insert Bipolar Violations.
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Framing Bits — Configures the unit to insert framing bit errors.
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RAI — Configures the unit to send a Remote Alarm Indication
(yellow alarm).
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AIS — Configures the unit to send an Alarm Indication Signal
(blue alarm).
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Back
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Loop Code — Selects the loop code to be used.
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CSU — Channel Service Unit. Configures the unit to send CSU
loopback codes.
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NIU — Network Interface Unit. Configures the unit to send NIU
loopback codes.
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User 1 — Configures the unit to send a user-defined loopback
code.
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User 2 — Configures the unit to send a user-defined loopback
code.
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In Band/Data Link — Configures the unit to send the loopback
code either in the data stream or in the Facility Data Link. The
Data Link mode cannot be selected with D4SF framing.
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Back
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Transmit Level — Selects the T1 transmit level.
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0dB
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–7.5 dB
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–15 dB
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Back
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ANSI CRC/Japan CRC — Selects either the ANSI or Japanese meth
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ods for calculating CRC. Also selects between the ANSI and Japanese
methods of generating RAI.
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Back
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Measure BERT — Activates menus that are used to control the BERT
measurement.
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Display Raw Data/Histogram — Selects whether to display the raw
data or a histogram.
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Start/Stop Measure — Starts or stops the measurement.
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Insert Errors — Injects the selected error(s) into the data stream, or
sends the selected alarm when in transmitting mode.
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Measure Duration — Selects the duration of the measurement. The du
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ration can be 3 minutes, 15 minutes, 30 minutes, 1 hour, 3 hours, 6
hours, 12 hours, 1 day, 2 days or the duration can be manually set.
Use the Up/Down arrow key to display the desired duration and press
ENTER to select, or ESCAPE to restore the previous value.
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Chapter 2 Functions and Operations