Motorola AT Commands G24-L Informations techniques Page 559

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Chapter 3: AT Commands Reference
August 5, 2008 AT Commands Reference Manual 3-471
Multiple Channel Configuration
The configurations listed below are recommended to achieve maximum use of parallel channels
with minimum conflicts.
Two Channel Configuration
DLC1 – Data channel dedicated to CDS
DLC2 – ACCH (AT command channel; includes all AT commands except CDS related
commands)
Figure 3-21: Two-channel Configuration
Note: Between data sessions, DLC1 is IDLE (in command mode).
Four-channel Configuration
DLC1 – GRLC or Logger
DLC2 – ACCH
DLC3 – CSD
DLC4 – GPRS
Figure 3-22: Four-Channel Configuration
Note: Between sessions, the Data and GPRS channels are IDLE (in command mode).
Two virtual channels G24
D
L
C
1
App 1
External Modem
D
L
C
2
App 2
AT commands
GPRS CSD
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