Compaq 400338-001 Compaq Server Console Switch User Guide - Page 46

Connecting Tiers while the System is Powered Up, secondary unit's power up. At this point

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Cabling Connecting Tiers while the System is Powered Up If necessary, you can connect a primary unit to a secondary unit while the system is powered up. This technique can be used to isolate any problems with minimum disruption to the system. When plugging a primary console switch into a secondary unit, first connect the mouse and video cables, and then connect the keyboard cable. This is important because the primary unit interprets the keyboard connection as the secondary unit's power up. At this point, the primary unit sends initialization codes to the secondary unit, triggering device configuration. Refer to Chapter 4 for information on switching tiered systems. 3-12 Compaq Server Console Switch User Guide

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Cabling
3-12
Compaq Server Console Switch User Guide
Connecting Tiers while the System is Powered Up
If necessary, you can connect a primary unit to a secondary unit while the system is
powered up. This technique can be used to isolate any problems with minimum
disruption to the system. When plugging a primary console switch into a secondary
unit, first connect the mouse and video cables, and then connect the keyboard cable.
This is important because the primary unit interprets the keyboard connection as the
secondary unit’s power up. At this point, the primary unit sends initialization codes to
the secondary unit, triggering device configuration.
Refer to Chapter 4 for information on switching tiered systems.