Siemens HC15 Specifications download pdf (Page 20)

HC15 Hardware Interface Description

3.1 Operating Modes

HC15_HD_v01.000 Page 20 of 67 2007-1-19

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3.1 Operating Modes

The table below briefly summarizes the various operating modes referred to in the following chapters.

Table 4: Overview of operating modes

Mode Function

Normal

operation

GSM /

GPRS / UMTS /

HSDPA SLEEP

Power saving mode set automatically when no call is in progress and

the USB connection is suspended by host or not present.

GSM IDLE Software is active. Once registered to the GSM network, paging with

BTS is carried out in order to achieve synchrony with the GSM network.

The repetition rate depends on the parameter BSPA_Multiframe. The

module is ready to send and receive.

GSM TALK/

GSM DATA

Connection between two subscribers is in progress. Power consump-

tion depends on the GSM network coverage and several connection

settings (e.g. DTX off/on, FR/EFR/HR, hopping sequences and

antenna connection). The following applies when power is to be mea-

sured in TALK_GSM mode: DTX off, FR and no frequency hopping,

otherwise same as for IDLE measurements.

GPRS IDLE Module is attached and ready for GPRS data transfer, but no data is

currently sent or received.

GPRS DATA GPRS data transfer in progress. Power consumption depends on net-

work settings (e.g. power control level), uplink / downlink data rates and

GPRS configuration (e.g. used multislot settings).

EGPRS DATA EGPRS data transfer in progress. Power consumption depends on net-

work settings (e.g. power control level), uplink / downlink data rates and

EGPRS configuration (e.g. used multislot settings).

UMTS /

HSDPA IDLE

Module is attached and ready for UMTS / HSDPA data transfer, but no

data is currently sent or received.

UMTS TALK/

UMTS DATA

UMTS data transfer in progress. Power consumption depends on net-

work settings (e.g. TPC Pattern) and data transfer rate.

HSDPA DATA HSDPA data transfer in progress. Power consumption depends on net-

work settings (e.g. TPC Pattern) and data transfer rate.

Power

Down

The internal power section is shut down. The SW on the module is not active. The interfaces

are not accessible.

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