A31003-H8100-J100-01-7631, 09/2021
OpenScape Branch 550 / 550 HA, Installation Guide
13
It is particularly important to observe standard anti-static precautions when changing
piggybacks, ROM devices, jumper settings etc. If the product contains batteries for RTC
or memory backup, ensure that the product is not placed on conductive surfaces,
including anti-static plastics or sponges. They can cause short circuits and damage the
batteries or conductive circuits on the product.
Lithium Battery Precautions
Wh
en replacing the mainboard’s lithium battery
observe the instructions described in
Danger of explosion when replaced with wrong type of battery or
if the battery is replaced incorrectly!
Replace only with the same or equivalent type recommended by the manufacturer.
The lithium battery type must be UL recognized.
Dispose of used batteries according to the manufacturer’s instructions.
Do not dispose of lithium batteries in general trash collection. Dispose of the
battery according to the local regulations dealing with the disposal of these special
materials, (e.g. to the collecting points for dispose of batteries).
Accessing Internal Components
This chapter contains important information on working safely with internal
components. Follow these instructions when handling internal components and observe
the corresponding safety instructions included in 1.5.1 General Safety.
Energy hazards- 120-240 VA present inside the chassis!
Before removing the top cover, switch off the product properly using the power switch
on the front side and disconnecting the power cable from the mains power supply.
Activities requiring internal access of the product must be performed by
trained personnel aware of the associated dangers!
ESD Sensitive Device!
Follow the safety instructions for components that are sensitive to electrostatic
discharge (ESD). Failure to observe this warning notice can result in damage to the
components.
