Chapter 3: Configuration Guide
Configuring MIMO and Space Diversity
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2+2 Space Diversity
2+2 HSB Space Diversity provides both equipment protection and signal protection. If one unit
goes out of service, the other unit takes over and maintains the link until the other unit is restored
to service and Space Diversity operation resumes.
2+2 HSB Space Diversity utilizes two PTP 820C units operating in dual core mode. In each PTP
820C unit, both radio carriers are connected to a single antenna. One optical GbE port on each PTP
820C is connected to an optical splitter. Traffic must be routed to an optical GbE port on each PTP
820C unit.
In effect, a 2+2 HSB configuration is a protected 2+0 Space Diversity configuration. Each PTP 820C
monitors both of its cores. If the active PTP 820C detects a radio failure in either of its cores, it
initiates a switchover to the standby PTP 820C.
MIMO Mate Management Access
For MIMO configurations using in-band management and an external switch operating in LAG
mode, you must enable MIMO Mate Management Access in order to manage both units via in-
band management. When MIMO Mate Management Access is enabled, the two units exchange
incoming management packets, ensuring that all management data is received by both units.
Note that MIMO Mate Management Access should only be enabled if both of the following
conditions exist:
In-band management
External switch using LAG
If either of these conditions is not present, MIMO Mate Management Access should be disabled.
By default, the feature is disabled.
To enable MIMO Mate Management Access, enter the following command:
root> radio mimo mate mng access set admin enable
To disable MIMO Mate Management Access, enter the following command:
root> radio mimo mate mng access set admin disable
To display whether MIMO Mate Management Access is enabled, enter the following command:
root> radio mimo mate mng access show
Note
MIMO Mate Management Access can only be configured via CLI.