Comtech EF Data DT-4500 Series, Инструкция по установке и эксплуатации

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DT-4500 Series C- and Ku-Band Down Converters MN/DT4500.IOM
Appendix A Revision 2
A–15
Chain Position
Use the drop-down list to assign the unit’s Chain Position as the Backup Unit , or
Unit 01 through Unit 12 .
Chain Length (Backup Unit) – Use the drop-down list to select N/A , or 1:1
through 1:12 .
Polarity (Primary Down Converter) – Use the drop-down list to select N/A ,
Single , or Dual .
Click [Change] to continue.
Forced Backup
Use the drop-down list to set the Forced Backup as NONE , or Unit 01 through
Unit 12 . Click [Change] .
Redundancy Mute Mode
Use the drop-down list to set the Redundancy Mute Mode as
OFF
or
ON
. Click
[Change]
.
Primary Unit Status
This section is populated on a per-unit basis as the “Daisy Chain” is configured.
Information is provided for each unit’s Online Status (Online or Offline),
Operating RF Frequency, Attenuation, Mute status, and Polarity.
Additionally:
Auto Mode – Use the drop-down list to select a unit’s switching mode as Manual
or Automatic .
Offset – Enter an offset adjustment value here. See Sect. A.4.3 for further
instructions.
Click [Change] to save.