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voltmeter (the value should not drop below 2.9 V). A completely low battery
results in the 2N
®
BRI Lite gateway losing the time and date information - false
data appear also in the service log buffer listing.
Replacing the lithium battery, first disconnect your 2N
®
BRI 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.
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.
VoIPon www.voipon.co.uk [email protected] Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299