Installing And Replacing The Battery - NEC 1090030 - DSX Systems PHONE SuperDisp Phone BLAC Hardware Manual

Installing Expansion Cards, the Battery, and Replacement Fuses

Installing and Replacing the Battery

In the event of commercial AC power failure, the battery provides short-term (14 day) backup of the Real
Time Clock and station parameters.
To install the battery:
Insert the battery into the battery clips as shown below.
1.
Replace and re-secure the top panel.
2.
Go to Installing Expansion Cards (page 25) and install Expansion Cards as required.
26 ◆ Installation
OR
Figure 7: Installing the Battery
Battery
DSX-40 Hardware Manual