Power States - Sierra Wireless AirPrime SL808 Series Product Technical Specification & Customer Design Manuallines

Table 6-3: Miscellaneous DC power consumption
Signal Description
VCC Module OFF
leakage current
USB transmit
current
a. All measurements are preliminary values
b. Typical value for MC8790 modem used as estimate
Table 6-5: Supported SL808X power states
State
• Capable of placing/receiving calls or establishing data
connections on network
USB interface is fully active
•
• Current consumption in a call or data connection is
affected by:
Normal
·
(Default
·
state)
·
·
·
• Module defaults to Normal state when VCC is first applied
in the absence of POWER_ON_N control. [TBD]
'Airplane' mode—Rx/Tx are disabled; USB interface is
•
active
• State entered automatically when critical
Low power
voltage/temperature thresholds are exceeded. Host
should consider powering off module to prevent damage to
unit.
• Normal state of module between calls or data connections.
• Module cycles between wake (polling the network) and
Sleep
sleep, at network provider-determined interval.
Rev 1 Dec.10 Proprietary and Confidential - Specifications subject to change
Band
All bands
All bands
Table 6-4: Supported GPRS / EDGE power classes
Feature
EGSM 900/GSM 850 Power Class 4
GSM 1800/1900 Power Class 1
EDGE Power Class for 850/900 MHz
EDGE Power Class for 800/1900 MHz Class E2
a. E2 power class applies to 8PSK modulation.

6.1 Power states

The SL808X module has five power states as detailed in
Description
Radio band in use
Tx power
Receive gain settings
Data rate
Number of active Tx time slots
a
Typ Max Units

35 TBD A
b
10 TBD mA
Notes
2 W 33 dBm
1 W 30 dBm
Class E2
Notes/Configuration
Full operating temperature range
•
Full speed USB connection,
•
C = 50 pF on D+ and D- signals
L
a
; 27 dBm, 0.5 W
a
; 26 dBm, 0.4 W
Table 6-5.
Host Modem
interface
powered powered
 
 
 
USB
RF
enabled
active
 
 
 
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