IMC Networks iMcV-DS3 Operation Manual page 9

Transmit LIU Waveshape (Line Build-Out)
This switch selects the optimal transmit waveshape for the line build-out distance
on the coax line. The transmit waveshape can be set for a distance of either 0 to
255 feet or over 255 feet. This feature corrects problems related to cabling (i.e.
cross-talk, electromagnetic interference, etc.). Improperly setting this switch will
cause signal degradation.
By default this feature is set to > 255 FEET.
This feature can be controlled by SNMP management software (iView
iMcV-DS3/E3/STS-1 module is installed in a managed chassis.
Transmit Data Source
These switches select the transmit mode used by the iMcV-DS3/E3/STS-1 module.
The transmit modes that can be selected include the following:
• Standard data
• Unframed All Ones (diagnostic)
• Alternating Ones and Zeros (diagnostic)
• Pseudorandom bit sequence (diagnostic)
These standard Telco transmission pattern modes are provided to help diagnose
transmission errors in the line.
By default this feature is set to STANDARD DATA.
This feature can be controlled by SNMP management software (iView
iMcV-DS3/E3/STS-1 module is installed in a managed chassis.
DS3, E3 and STS-1 Selection
This switch selects the data rate to use on the coax line. The data rate selections
available include the following:
• 45 Mbps (DS3)
• 34 Mbps (E3)
• 52 Mbps (STS-1)
By default this feature is set to 45 Mbps (DS3).
This feature can only be selected by setting the DIP switches manually.
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