2-26 MDS Intrepid-HC HP Installation and Operation
first hitless fault. When the fault is cleared, the MUX will receive data from two sources: th e +1 modem, and
its own modem, meaning the next fault in this channel will be errorless (if other carriers will fail, the data will
be hitless).
Revertive = Carrier#X
MUX number X will always receive two sources: the +1, and its own, unless there is a fault in another carrier.
If MUX number X receives two sources, and a fault occurs, the switch is errorless. In all the other cases, the
switch is hitless.
7. For Revertive Switch Ti meout, specify the period (in seconds) a fter which the revertive mode will be
activated.
8. For High Priority Threshold, click the drop-down list and select the criteria upon which the system will
perform a switch to the channel you chose as high priority.
The options include: Baseband Loss of Frame, Baseband Excessive BER, Baseband Signal Degrade, and Early
Warning
9. In the priority table, designate the high priority channel(s). A high priority channe l will be switched first when
the criteria chosen for the threshold is met, even if a major fault occurs in a different channel.
The Priority Level options include:
Normal - regular operation according to the N+1 mechanism
High Priority
Not Protected – stand-alone channel without protection
Specifying System Information Note: To specify system information, you must perform the following steps in all three IDCs in the Intrepid-HC
HP/T IDU:
1. Select File, System, Information., or click the System Information icon .