AASTRA SIP-DECT (Release 2.1)- OM System Manual - Installation, Administration and Maintenance EN - Manual (Page 163)

SIP – DECT OM System Manual Release 2.1 8 Maintenance
depl-1230/1.3 Page: 163 (196)
8 Maintenance
8.1 Site Survey Measurement Equipment
If a SIP – DECT installation has to be planned, a sufficient distribution of the RFPs is
necessary which fulfills the requirements for reliable synchronization and connectivity to the
Portable Parts. The site survey kit may help you. It comprises:
• One measuring RFP with its own power supply.
• A tripod and a battery for the RFP.
• Two reference PPs with chargers.
• Battery chargers.
• Optional a measuring handset which can monitor other makers DECT radio sources.
8.2 Checking the Aastra DECT 142 / Aastra 142d Handset
Firmware Version
You can display the version information of the Aastra DECT 142 / Aastra 142d handset with
a few keystrokes. Check the firmware version to determine whether an update is required to
overcome any user issues.
1 Press the Menu soft key.
2 Select System (only to highlight).
3 Press OK.
4 Select Version Number.
5 Press OK.
The display will show the software and the hardware version of the Aastra DECT 142 /
Aastra 142d handset.
8.3 Diagnostic
8.3.1 Aastra DECT 142 / Aastra 142d Site Survey Mode
You can set the Aastra DECT 142 / Aastra 142d handset in “site survey mode” with a few
keystrokes. In this mode the phone will display the RFPs and the actual field strength of the
receiving signal in dBm.
1 Press the Menu soft key.
2 Enter the following key sequence “R***76#”.
3 Select Site Survey.
4 Press OK.
5 To leave the site survey mode switch the phone off and on again.
The following display is shown on the Aastra DECT 142 / Aastra 142d handset: