Cabletron Systems SEHI SEHI100TX- User Manual

Also see for SEHI100TX-22: User guide User guide

Contents

Powering Up and Stacking the SEHISEHI100TX User’s Guide4-74.5 POWERING UP AND STACKING THE SEHIThe following section details the procedures that must be followed topower up and interconnect stacked hubs. Failure to follow this proceduremay result in damage to the equipment.1. Power up the SEHI by plugging the power cord into the back panel ofthe SEHI and plugging the other end into a grounded receptacle.2. Verify that the PWR LED is on, indicating that the SEHI is receivingpower. After the SEHI runs a self test and completes the boot processsuccessfully, the CPU LED blinks green indicating normal operation.If the LED remains red, the processor is faulty; contact CabletronSystems Technical Support. Do not proceed with the following stepsuntil the CPU LED is a steady blinking green.3. Power up the SEH above the SEHI in the stack by plugging the powercord into the back panel of the SEH and plugging the other end into agrounded receptacle.!CAUT IONIf you are using an intelligent hub (SEHI) to manage the stack,you must locate the SEHI at the bottom of the stack.The SEHI must be completely powered up and initializedbefore powering up and interconnecting the rest of the stack.NOTEThe SEH and the SEHI have universal power supplies thatallow connection to power sources from 100 Vac to 125 Vac@ 4.0 A or 200 Vac to 250 Vac @ 2.0 A, 50/60 Hz.NOTELocate the SEHI at the bottom of the stack.For management purposes, stacked hubs are alwaysnumbered from 1 to 5 starting at the bottom.!CAUT IONDo NOT power up or interconnect any other hubs in the stackuntil the SEHI has successfully completed the boot process.