TD 92674EN
29 April 2015 / Ver. I
Configuration Manual
Ascom d81 DECT Handset
10
4. Maintenance
4. Maintenance
4.1 Definitions
In the replacement descriptions, the handsets are defined as:
• "old handset" is the handset to be replaced, poss
ibly damaged but still working
• "new handset" is the replacement handset that receives the settings used in the old
handset
4.2 Upgrade Handset Software
Handset software can be upgraded or reinstalled. When upgrading the software, data, such
as messages, may get deleted.
1 Open the PDM or Device Manager.
2In the De
vices tab, right-click the handset to be upgraded.
3 Select "Upgrade software...".
4In the Availabl
e software drop-down list, select the desired software file (.bin).
If needed, import the software file to be use
d by clicking "Import". Locate the
software file (.bin or .pkg) and click "Open".
5Click "OK".
4.2.1 Download Times during Upgrade of Handset Software
The software is downloaded to the handset. The following table shows t
he approximately
download times for handset when done over-the-air (OTA) in an IP-DECT system, or via
charger in a DECT system.
Table 1. Download times
OTA via IPBS OTA via IPBL DC4 Charger connected
to
Device Manager via
Ethernet
DC4 Charger connected to PDM
via USB.
approx. 25
min.
approx. 189
min.
approx. 9 min. 20 sec. approx. 9 min. 30 sec.
The software download capacity depends on call
traffic stated below. The table below is not
applicable for DC4 charger connected to PDM since IPBS, IPBL or Unite module is not needed.
Table 2. Download times during calls
IPBS/IPBL 0-4 simultaneous downloads depending on call traffic as follows:
No. of calls No. of possible simultaneous downloads
0 4
1 3
2 2
3 1
4 > 0
Device
Manager
Max. 10 simultaneous downloads (max. 20 when using an external web
serv
er).
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