NonStop NS2400 Series Planning Guide

Connections for OSM Low-Level Link Down System Support
In NonStop NS2400 series systems, the maintenance entity (ME) in the VIO enclosures provides
dedicated service LAN services via the OSM Low-Level Link for both OS coldload, system
management, and hardware configuration when hardware is powered up but the OS is not running.
LAN connections are direct from the 10/100 Ethernet ports on the VIO enclosures to the
maintenance switch that is installed in the modular cabinet. This illustration shows the LAN
connections for the OSM Low-Level Link:
166 Operations and Management Using OSM Applications