Sierra Wireless AirLink FXT Series, User Manual, Page: 99 / 136

WA_DEV_FEX20_UGD_002 Rev 002 April 26, 2010 99
Fastrack Xtend User Guide Power Consumption
The communication tester is a CMU 200 from Rhode & Schwartz . This tester offers all required
GSM/GPRS network configurations and allows a wide range of network configurations to be set.
The 66321D power supply is used to supply the Fastrack Xtend, and it could also be used to measure
the total current drain by the device. The current measurement data is read through the GPIB
connection.
Rhode & Schwartz NGSM 32/10 is used when measuring with 32V input voltage.
Note that a SIM card must be inserted during all consumption measurements.
The following table lists the recommended equipments to use for the consumption measurement.
Table 68: List of Recommended Equipments
Device Manufacturer Part number Notes/Description
Communication Tester Rhode & Schwartz CMU 200 Quad Band GSM/DCS/GPRS
Current measuring power
supply Agilent 66321D Used for DC-IN
12.7.1.2. SIM Cards Used
Consumption measurement may be performed with either 3-Volt or 1.8-Volt SIM cards. However, all
specified consumption values are for a 3-Volt SIM card.
Caution: The SIM card’s voltage is supplied by the Fastrack Xtend power supply. Consumption measurement
results may vary depending on the SIM card.
12.7.2. Software Configuration
This section defines the software configuration for the equipment(s) used and the Fastrack Xtend
settings.
12.7.2.1. Fastrack Xtend Configuration
The Fastrack Xtend software configuration is performed by selecting the operating mode to use in
performing the measurement.
A description of the operating modes and the procedures used to change operating modes are given
in the appendix of document [7] Firmware 7.4a
AT Commands Manual (Sierra Wireless Software
Suite 2.31)/Firmware 7.4 AT Commands Manual (Sierra Wireless Software Suite 2.30).
Refer to the following list for the available operating modes of the Fastrack Xtend:

Active Idle Mode

Sleep Idle Mode

Active Mode

Sleep Mode

Connected Mode

Transfer Mode class 8 (4Rx/1Tx) (in GPRS mode)

Transfer Mode class 10 (3Rx/2Tx) (in GPRS mode)

Transfer Mode class 12 (1Rx/4Tx) (in GPRS mode)*

Transfer Mode class 8 (4Rx/1Tx) (in EDGE mode)

Transfer Mode class 10 (3Rx/2Tx) (in EDGE mode)

Transfer Mode class 12 (1Rx/4Tx) (in EDGE mode)*