The pattern menu can be accessed by pressing the Pattern main menu key on the bottom. It includes 12 defined patterns. Up to six user‑defined patterns can be created by pressing the Set User Pattern submenu key.
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Submenu keys for the Pattern menu are shown and described in section “Pattern Menu” and Figure: “E1 Pattern Submenu Keys”.
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1,048,575‑bit pattern. An output bit is forced to one whenever the previous 14 bits are zero.
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Simulates live traffic including both high‑density and low‑density sequences.
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32,767‑bit pseudo‑random pattern.
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Tests to CCITT recommendations O.151 and G.703. Provides maximum number of zeros for testing non‑HDB3 circuits.
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1,048,575‑bit pseudo‑random pattern.
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8,388,607‑bit pseudo‑random pattern.
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8‑bit pattern of a 1 and 7 zeros.
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8‑bit pattern of 2 ones and 6 zeros.
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24‑bit pattern with 3 ones and also with 15 consecutive zeros. 12.5% ones density.
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Stresses AMI optioned circuits for minimum ones density and maximum consecutive zeros performance. Forces zero substitutions in HDB3 optioned circuits.
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Custom user‑defined patterns can be created by pressing the “Set User Pattern” submenu key .
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