Section 2 Lithium Battery Replacement; General; Lithium Battery Specification; Figure 4-5 Warning Of Low Battery - NEC SL1000 Hardware Manual

SL1000
S 2 LITHIUM BATTERY REPLACEMENT
ECTION

2.1 General

The Lithium Battery (CR2032) is initially installed on the CPU Card in Main KSU. It provides the
battery-backup of the RAM memory for approximately 36 months. When the battery life becomes
almost over, the system will inform the "Warning Message" to the assigned Display Multi-Line Tele-
phone as below.

2.2 Lithium Battery Specification

Before replacing the Lithium battery, make sure which type of Lithium battery is required and prepare
the new Lithium battery. ("CR2032" or equivalent)
It is recommended that you have a backup of the customer data before powering
off the system (either PCPro file or CF card backup) in order to replace the
backup battery.
• Risk of explosion if the battery is replaced by an incorrect type.
• Dispose of used batteries as instructed by the manufacturer of the battery.
• If the Expansion KSU(s) is/are installed, turn the power on/off in the order of
Exp 3 KSU, Exp 2 KSU, Exp 1 KSU and then Main KSU.
4-4

Figure 4-5 Warning of Low Battery

ISSUE 1.0
Maintenance