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38
ZETA-xxP Series
Hardware Manual
rev
D
ZETA-xxP State
Pin-4 (ON)
Pin-3 (OFF)
Modem ON/OFF
OFF
ACTIVE
ACTIVE
OFF
ON
ACTIVE
ACTIVE
ON
ON
NOT-ACTIVE
ACTIVE
Switches OFF
OFF
NOT-ACTIVE
ACTIVE
OFF
OFF
ACTIVE
NOT-ACTIVE
Switches ON
ON
ACTIVE
NOT-ACTIVE
ON
Table 16.
ZETA-xxP modem states
Current Consumption
The measurements were taken with 3 reference voltages (7V, 12V and 24V).
The modem was connected via RS232 to a PC in order to send/receive AT commands.
The temperature was maintained in a temperature chamber. The voice call with power
level 5 in GSM 900 was established with a GSM signal generator test set.
Modem State
7V
12V
24V
Modem Off
1.26uA
1.40uA
1.67uA
Modem On (Not registered)
21.10mA
12.99mA
5.14mA
Modem On (Registered 2G network)
15.26mA
9.47mA
3.96mA
Modem On (Registered with IP address)
16.81mA
10.75mA
4.33mA
Modem On (Registered with socket connected)
19.55mA
11.22mA
4.11mA
Registered with IP address
15.9 mA
9.5 mA
5.56 mA
Socket connected & transmitting
126.7 mA
81.9 mA
42.4 mA
Active voice call
205.5 mA
128.2 mA
67.4 mA
Low power (cfun=5) active
1.3 mA
820 uA
520 uA
Low power (cfun=5) active with socket connected
1.42 mA
880 uA
530 uA
Table 17.
ZETA-NLP-LTEM modem current consumption
