User manual

23
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Protective earth:
The marked lug or terminal should be connected to the building protective earth bus.
The function of protective earth does not serve the purpose of providing protection against electrical shock, but instead
enhances surge suppression on the DSL lines for installations where suitable bonding facilities exist.
We strongly recommend grounding this device for lightning protection purposes.
The connector type is M3 machine screw.
Warning! High voltage. Do not open the housing
There are no user serviceable parts inside the modem. Opening the unit while still connected to power source could cause
exposure to danger high voltages. All service should be done by trained personnel.
Product servicing
Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage points
or other risks, Refer all servicing to qualified service personnel.
1. Unplug this product from the wall outlet and refer servicing to qualified service personnel when:
2. The power card or plug is damaged, cut or frayed
3. Liquid was spilled into the product
4. The product was exposed to rain or water
5. The product has been dropped or the case has been damaged
6. The product exhibits a distinct change in performance, indicating a need for service
7. The product does not operate normally after following the operating instructions
Note: Adjust only those controls that are covered by the operating instructions, since improper adjustment of other controls
may result in damage and will often require extensive work by a qualified technician to restore the product to normal
condition.
Disposal instructions
Do not throw this electronic device into the trash when discarding.
To minimize pollution and ensure utmost protection of the global environment, please recycle this device.