
620J Storage Enclosure Installation and Overview Guide A-1
Appendix A
Adding a Second Environmental Services
Monitor (ESM) Canister
In this procedure, you will add a second environmental services monitor (ESM) canister
in the storage enclosure.
Before you start to add the ESM canister in the storage enclosure, gather antistatic
protection and the ESM canister.
ATTENTION Possible equipment damage – You must replace an ESM or blank
canister within 3 minutes after removal from an operating storage
enclosure to prevent the possibility of overheating the equipment
ATTENTION Possible extended outage – You must add the new ESM with the
power turned on to ensure auto code synchronization of the native
controller firmware to the new ESM canister, and to prevent the
possibility of extended outage.
ATTENTION Possible hardware damage – To prevent electrostatic discharge
damage to the storage enclosure, use proper antistatic protection
when handling storage enclosure components.
1 If possible, use the storage management software to create, save, and print a new
storage array profile.
2 Put on antistatic protection.
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