2N VoiceBlue Lite - Manual v2.6 - Manual (Page 32)

To replace the lithium battery, first disconnect your VoiceBlue
Lite gateway from the mains and open the cover. Remove the old
battery from the holder using a suitable tool and install a new one.
We recommend you to have this service done by a 2N servicing
centre.
2.11. Fuse Replacement
WARNING! Use only a fuse of the same type.
Disconnect the adapter power while replacing the
fuse.
Fuse can be replaced only by service which is
personnel qualified to check such parameters as
power consumption, DC voltage etc.
If fuse fails again, unit must be returned to
manufacturer for repair
To exchange the fuse disconnect power adapter cable first. The
location of the fuse on the main board is on the Fig. 13. Open the
cover, remove the faulty fuse and check it. Replace the fuse by a
fuse of the same type only. Close the cover and reconnect the
power adapter cable.
2.12. Antenna Splitter
The antenna splitter is a passive component that enables several
GSM channels to share a single antenna. With VoiceBlue Lite it
joins four antenna ports into one external antenna. This splitter
saves both antenna costs and installation space. It is a passive
element – it has a characteristic signal attenuation that the
connected antenna must compensate. For technical parameters of
the splitter and antennas refer to Section 12.
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