NEC N8103-136 User Manual page 23

6-2. Notes on Operation ............................................................................................................ 21
Chapter 2 Installing BBU ......................................................................................................22
1. Installation Procedure................................................................................................................. 22
1-1. Putting Setup Date Label.................................................................................................... 22
1-2. Installation of this product ................................................................................................... 23
2. Checking by Utility...................................................................................................................... 25
Chapter 3 Operation and Maintenance ................................................................................29
1. Maintenance Service.................................................................................................................. 29
2. Preventive Maintenance............................................................................................................. 29
2-1. Preventive Maintenance of BBU......................................................................................... 29
2-2. Life of Battery Pack............................................................................................................. 29
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