LAN Installation and Configuration 11-11
Octel 200/300 S.4.1PB60019−01
11.4 TAKING THE LAN OUT OF SERVICE
Use the Courtesy Down command to take the LAN subsystem out of service. The Courtesy Down
command does the following:
-Takes the digital networking hardware and software out of service without interrupting any activity
in progress or causing random errors.
-Blocks any new digital networking activities.
-Waits for all activities in progress to be completed, such as background message transfers and
real-time name plays, before taking the hardware and software out of service.
-Displays progress messages while waiting for any background message transfers or real-time names
to complete.
Use the Courtesy Up command to bring the LAN subsystem back into service. The Courtesy Down
condition is maintained across a system reload, restart, or power cycle. Only a Courtesy Up command
can clear the Courtesy Down condition.
.The Shutdown command can be used to put the message server in an offline mode without
disabling the LAN subsystem. Refer to the Maintenance Command chapter, System Service Mode
Commands section in this volume.

When To Use Courtesy Up or Down

Courtesy Down

Use the Courtesy Down command before you do the following:
-Service the LAN card hardware (such as for removal)
-Take the message server downby powering off, reloading, etc.
-Use the UPDATEprogram to make any of the following configuration changes:
-Use the ADD,MODIFY,orDELETE commands for the LOCATION Table if the location involved
is a high-speed digital location
-Turn off the digital networking feature in the SYSTEM PARAMETER Table; that is, set System
Parameter 225 — DIGITAL NETWORKING ENABLED to no.
-Change the SLOTS Table for a LAN card
.The UPDATEprogram blocks these changes if the digital networking system is UP.