User guide

Hardware Options and Software Licenses
2/1553-FGC 101 1014 Uen B
3-20
Table 3.16 GPS Interface Module Input Failure Alarms (Redundant Configuration)
Primary GPS
Inputs
Secondary GPS
Inputs
Alarm Severity
Present Present None
Missing Present Major
Present Missing Major
Missing Missing Critical
3.6 Software Licenses
3.6.1 Introduction
Certain functionality of the unit is dependent upon the specific model, the hardware
options fitted and the software options installed in it. Software options are enabled or
disabled by means of license keys installed in the unit. A license key is a string of
numbers which, when downloaded, will enable a specific feature or set of features.
3.6.2 Obtaining License Keys
License keys can be purchased from your local Ericsson sales representative. To
obtain a key or keys, specify the options required plus the serial numbers of the
unit/s.