User Manual
Product information and planning
9500 MPR Rel. 3.1
3DB18809AAAA Issue 1156/980
2.8.8.3 Protection schemes with MPT-MC
N.B. In Figure 72 the two MPT are connected to two different MPT Access units, but they can also
be connected to the same MPT Access Unit.
Supported Protection types:
[1] RPS (Radio Protection Switching) Hitless for each radio direction
• RPS is implemented by the “virtual cable” (No physical interconnection cable must be installed
between the MPT-MC. The 1+1 messages are exchanged inside the MSS-4/MSS-8.
[2] EPS (Equipment Protection Switching) for the MPT-MC
• EPS protects the MPT-MC and the cables connecting it to the MSS.
[3] HSB-TPS (Hot StandBy - Transmission Protection Switch)
• Spare ODU module is squelched.
Figure 72. MPT-MC protection schemes
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