2N TELEKOMUNIKACE a.s., www.2n.cz
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4.3 Maintenance
The battery pack state is absolutely essential for the operation of the main unit and
connected cabin units.
Operation Interruption and Battery Replacement
Battery replacement
Battery disconnection and replacement:
Disconnect the main unit from the mains supply. Remove the upper cover (refer
to
).
Disconnect the FASTON cable terminals connecting the battery with the
motherboard.
Slide the old battery out and replace it with a new one.
Interconnect the battery with the motherboard using the FASTON cable and
reconnect the mains supply.
Replace the upper cover and tighten the cover fitting screws. Make sure that the
grounding wire is connected with the cover while replacing the cover!
Confirm the new battery installation and complete the installation date in the
Maintenance / Battery Installation tab on the web interface.
Caution
Never keep the battery pack discharged too long.
When completely depleted, the battery should be recharged as soon as
possible.
It is necessary to replace the battery pack with a new one every 2 years
to ensure power failure backup.
