User manual

TD 92674EN
31 October 2013 / Ver. H
Configuration Manual
Ascom d81 DECT Handset
16
4. Maintenance
4.8.1 Handset Replacement with PDM in DECT System
NOTE: The handset to be installed must not have any previ
ous valid registrations. If it has a
valid registration, unsubscribe the handset.
1 Unsubscribe the old handset. If the unsubscribti
on cannot be performed in the
handset, unsubscribe the handset via the DECT interface. See the corresponding
documentation for your system.
2 Subscribe the new handset with the same extension number as the old handset. The
subscription procedure is described in
t
he handset’s User Manual.
During the subscription procedure, the hand
set’s User ID is automatically set to the
same as the extension number. The User ID is used to identify the handset when it is
connected to PDM and is visible in the Number column.
TIP: The User ID can be viewed by navigating to
t
he menu:
Admin menu > Device info > User ID.
3 Insert the new handset into a desktop charger or charging rack connected to th
e
PDM.
4 A dialog window appears, asking the user to decide whether to use the Num
ber
settings in PDM or the Number settings in the device. Select "PDM".
The handset is automatically synchronized and all dat
a and parameter settings are
transferred to the new handset. The synchronization takes a while if the Contacts in
the original handset contain a large number of entries.
4.9 DECT Frequency Band Configuration
NOTE: The frequency band configuration is only needed if other frequencies than EU US
China is used. Additionally, if the handset has been returned from repair, the applicable
frequency band might be set again.
To change the operating frequency band, the following preconditions must be fulfilled:
• The frequency is set to Not initiated. This can be checked by entering the
Admin menu,
see 6 Administration on page 61, follow the pat
h:
Admin menu > Device info > Hardware.
Scroll down to “Frequency band”.
• The handset must not have a DECT registration. If it
already has,
perform a Factory reset,
see 4.5 Perform a Factory Reset on page
13.
1 Enter the Admin Menu, see 6 Administration on pa
ge 61.
2 Select "Frequency band" and select the desired band.
• EU US China (default)
• LA (Latin America)
•Brazil
• 1900 - 1920 MHz
• Multifrequency (see also 4.9.1 Multiple Frequency Support)
3 Restart the handset.
4 Register the handset.
5 The frequency band option is no
longer available.
NOTE: The selection is persistent and can withstand a factory reset.