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TDM Commands
subrate
Syntax
subrate {digital-link} rate-step
no subrate
Context
config>port>tdm>ds3
Description
This command configures the channel service unit (CSU) compatibility mode to interoperate with existing
DS-3 subrate standards.
This configuration applies only for non-channelized DS-3s. This command is not supported on channelized
ASAP MDAs.
The no form of this command remove the subrate functionality.
Default
no subrate
Parameters
digital-link — Enables the Digital-Link (Quick Eagle) CSU compatibility mode.
rate-step — Specify the subrate value for the associated DS-3.
Values
threshold
Syntax
threshold {ber-sd | ber-sf} rate {1 | 5 | 10 | 50 | 100}
no threshold {ber-sd | ber-sf}
Context
config>port>tdm>ds1
config>port>tdm>e1
Description
This command configures the line signal degradation bit error rate (BER) and line signal failure thresholds.
Line signal (b2) bit interleaved parity error rates are measured and when they cross either the degradation or
failure thresholds alarms are raised (see the report-alarm line & section command), furthermore if the failure
threshold is crossed the link will be set to operationally down.
The no form of this command reverts to the default value.
Default
threshold ber-sd rate 5
threshold ber-sf rate 50
Parameters
ber-sd — Specifies the BER that specifies signal degradation.
ber-sf — Specifies the BER that specifies signal failure.
rate — Specifies the number of errors, in millions.
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7710 SR OS Interface Configuration Guide
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