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SIM300 EVB User Guide SIMCOM
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Document Name:
SIM300 EVB User Guide
Version:
1.00
Date: 2005-07-29
DocId:
SIM300_EVB_UGD_V1.00
Status:
General Notes
Simcom offers this information as a service to its customers, to support application and
engineering efforts that use Simcom products. The information provided is based upon
requirements specifically provided to Simcom by the customers. Simcom has not
undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of
this Simcom product within a larger electronic system remains the responsibility of the
customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of
SIMCOM Limited., copying of this document and giving it to others and the using or
communication of the contents thereof, are forbidden without express authority.
Offenders are liable to the payment of damages. All rights reserved in the event of grant
of a patent or the registration of a utility model or design. All specification supplied
herein are subject to change without notice at any time.
Copyright © SIMCOM Limited. 2005
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SCOPE
This document give the usage of SIM300 EVB, user can get useful info about the SIM300 EVB
quickly through this document.
This document is subject to change without notice at any time.
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1. SIM300 EVB
Photo.1 EVB TOP view
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Photo.2 EVB BOTTOM view
A: SIM300 module interface
B: SIM card interface
C: headset interface
D: Download switch, turn on or off download function
E: VBAT switch, switch the voltage source from the adaptor or external battery
F: PWRKEY key, turn on or turn off SIM300
G: RESET key
H: expand port, such as keypad port, main and debug serial port, display port
I: MAIN serial port for downloading, AT command transmiting, data exchanging
J: DEBUG serial port
K: hole for fixing the antenna
L: source adapter interface
M: light
N: buzzer
O: headphones interface
P: hole for fixing the SIM300
2. EVB accessory
Photo.3 EVB accessory
A: antenna
B: antenna transmit line
C: serial port line
D: headset
E: headphones
F: 5V DC source adapter
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3. EVB and accessory equipment
At normal circumstance, the EVB and its accessory are equipped as the Photo.4
Photo.4 EVB and accessory equipment
4. Illustration:
4.1 Running:
(1) Connect the SIM300 module to the 60pins connector on SIM300 EVB, inserting 5V
direct current source adapter, switching the S1 switch on off state, S2 switch on ON
state;
(2) Press the PWRKEY for about 1 second, and then SIM300 module begins running.
You can see the light on the EVB flashing at a certain frequency. By the state, you can judge
whether the EVB and SIM300 can run or not. No function and test can be executed when we
have not connected necessary accessories.
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4.2 Connecting Net and calling
(1) connect the serial port line to the MAIN serial port, open the HyperTerminal(AT
command windows) on your Personal computer, the location of the HyperTerminal in
windows2000 is START→ accessory→ communication→ HyperTerminal. Set correct
Baud Rate and COM number. The Baud Rate of SIM300 is 115200, and the COM
number based on which USB port your serial port line insert in, you should select such
as COM3 or COM4 etc.
(2) Connect the antenna to the SIM300 module using an antenna transmit line, insert SIM
card into the SIM card interface, insert headphones or headset into its interface.
(3) Act on the step of
running which mentioned above, power on the system, typing the
AT command in the HyperTerminal, and then the SIM300 module will execute its
corresponding function.
4.3 Downloading
Connect the serial port line to the MAIN serial port, connect the direct current source
adapter, run the download program and press the START key, then switch the S1 switch on ON
state, S2 switch on ON state, then EVB provide the function of downloading.
4.4 Turns off and Reset
(1) Turn off SIM300 module: press the PWRKEY for about 1 second, SIM300 module will
be turned off.
(2) RESET: when emergency happens, the module can not be turned off and turned on by
the PWRKEY, then press the RESET key and release it, SIM300 will be reset.
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