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GE MDS Intrepid-HC HP Installation Guide 2-25
9+1 - cascade mode, ten separate carriers with one protected.
3. Select Protection, H/W protection, H/W protection configuration.
The following window will appear if the protection type you selected was between 1+1 and 9+1.
H/W Protection Configuration Window
4. Select Protection Enabled.
5. Select Switch On Early Warning if you want the switch to occur when the system reaches an MSE of -28.
6. For Revertive Link, select the carrier that will be connected to the +1 modem. Your selection will be used in
cases where a switch occurs and then the system returns to normal operation.
Examples
Revertive = Extra Traffic
If a major alarm occurs at site A, a request is sent to site B to transmit through the Extra Traffic channel. The
switch that is performed is Hitless (up to 10 ms), and the Extra Traffic channel will no longer exist on both
sides by definition (generally, the system can protect up to two faults at different sides). The moment the alarm
is cleared, the +1 (Extra Traffic) modem will refer to the input from the +1 MUX.
Revertive = None
Each carrier MUX will receive two inputs: its own modem, and the +1 modem. The Extra Traffic channel will
not exist. Data to the MUX (for each of the defined carriers) will be received from its own modem until the