Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 141
A microwave link connection is made from ports 1 through 4 on a Packet Microwave
Adapter card to an MPR-e radio using one of the methods described in the 7705 SAR
Packet Microwave Adapter Card Installation Guide, “Delivering Data to an MPR-e
Radio”. The radio can be configured in standalone mode to provide a basic
microwave connection as described in Standalone Mode or in Single Network
Element (Single NE) mode to provide the advanced networking capabilities
described in Single NE Mode. The default configuration is Single NE mode.
When connected to an MPR-e radio, these ports, with microwave link configured,
operate as Gigabit Ethernet ports and provide the same features as the other ports
(ports 5 through 8), except for the following:
• 802.1x authentication
• active/standby operation on Ethernet access ports configured as LAGs
• hard policing on Ethernet ports
If a microwave link is not configured on ports 1 through 4, they provide all of the same
features as the other Gigabit Ethernet ports (ports 5 through 8).
3.2.17.2 Standalone Mode
A microwave link from ports 1 through 4 on a Packet Microwave Adapter card to an
MPR-e radio that is configured in standalone mode provides a basic microwave
connection to the MPR-e radio. In standalone mode, each MPR-e radio that is
connected to a 7705 SAR-8 or 7705 SAR-18 is managed as a separate standalone
NE by the MPT Craft Terminal (MCT) Element Manager.
3.2.17.3 Single NE Mode
A microwave link from ports 1 through 4 on a Packet Microwave Adapter card to an
MPR-e radio that is configured in Single NE mode provides the following networking
capabilities to the radio over the microwave link:
• Single NE Management
• Microwave Link Fast Fault Detection (FFD)
• 1+1 HSB
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