User manual

TD 92674EN
31 October 2013 / Ver. H
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, possibly damaged bu
t 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 Devices tab
, right-click the handset to be upgraded.
3 Select "Upgrade software...".
4In the Available sof
tware drop-down list, select the desired software file (.bin).
If needed, import the software file to be used by clicking "Im
port". 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 approxim
ately
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
The software download capacity depends on call
t
raffic 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
OTA via IPBS OTA via IPBL DC4 Charger connected
to Device Manag
er 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.
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