Alcatel-Lucent 7750 Configuration Manual page 482

Interfaces
zeros — Sends an all zeroes pattern.
alternating — Sends an alternating ones and zeros pattern.
2e3 — Sends a pseudo-random 2^3 -1 pattern
2e9 — Sends a pseudo-random 2^9 -1 pattern
2e15 — Sends a pseudo-random 2^15 -1 pattern.
2e20 — Sends a pseudo-random 2^20 -1 pattern. Not available on channelized ASAP MDAs.
2e23 — Sends a pseudo-random 2^23 -1 pattern.
bit-error-insertion
Syntax bit-error-insertion rate
no bit-error-insertion
Context config>port>tdm>ds1
config>port>tdm>ds3
config>port>tdm>e1
config>port>tdm>e3
Description This command inserts bit errors into a running BERT test. The number of errors inserted corresponds to
10^(-rate). A rate of 0 will cause 1 error in every bit transmitted. A rate of 7 will cause an error rate of 10^(-
7), or 1 error in every one billion bits transmitted.
The no command disables the insertion of bit errors into the bit error rate test stream.
NOTE: This command is not saved in the router configuration between boots.
Default no bit-error-insertion
Parameters rate — Specifies the bit error rate, expressed as an integer.
Values
buildout
Syntax buildout {long | short}
Context config>port>tdm
Description This command specifies line buildout (cable length) for physical DS-1/DS-3 ports.
Default short
Parameters long — Sets the line buildout for length runs up to 450 feet.
short — Sets the line buildout for length runs up to 225 feet.
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7750 SR Interface Configuration Guide