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3–10
Caution:
•
There must be spare connectors in the MDF for future upgrades.
•
If you are installing the system for the first time or upgrading the system, you need to request appro-
priate trunk services or a leased line from the telephone company.
Installing the Storage Battery
Precautions
• Check that there is no damage to the battery before installation.
• When installing, stand the battery on a wooden stand or box so that it does not move or tilt.
• When connecting the battery, take care with the polarity. Tighten the nut and bolt securely and
cover with grease to prevent erosion.
• Fully charge the battery before starting the system.
Installing the System
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