Comtech EF Data CRS-180 - Manual (Page 59)

CRS-180 70/140 MHz IF 1:1 Redundancy Switch MN/CRS180.IOM
Modem and Switch Configuration Revision 11
4–17
4.6 Configure Switch DIP Settings
The “Switch Conditions” DIP switches are set depending upon the type of Tx or Rx
traffic conditions that are resultant of switchover. Some modems have additional
settings or alarm masks that affect conditions – see your pertinent modem
Installation and Operation Manual for detailed explanations.
Figure 4-3 shows the DIP switches located on the antenna side of the CRS-180. The table
provided here shows the settings that determine “Switch Conditions” – the switchover
functionality for a given redundancy configuration.
“Switch Conditions” DIP Settings
DIP Left Switch Right Switch Result
Down (Off) Down Switchover upon a Unit fault
Up Down Switchover upon a Unit or Tx Traffic fault
Down Up Switchover upon a Unit or Rx Traffic fault
Up Up Switchover upon a Unit or Tx Traffic or Rx Traffic fault
Figure 4-3. CRS-180 “Switch Conditions” DIP Switches