ICP GTM-201-RS232 is an industrial quad-band GPRS/GSM modem that provides reliable wireless connectivity for various applications. With its compact design and versatile features, the GTM-201-RS232 is ideal for remote data acquisition, monitoring, and control systems.
Key Features:
- Quad-band GSM/GPRS connectivity (850/900/1800/1900 MHz)
- RS-232 interface for easy integration with industrial devices
- Supports data rates up to 85.6 kbps
- AT command set for flexible configuration and control
- SIM card slot for secure network access
- Built-in TCP/IP stack for easy internet connectivity
ICP GTM-201-RS232 is an industrial quad-band GPRS/GSM modem that provides reliable wireless connectivity for various applications. With its compact design and versatile features, the GTM-201-RS232 is ideal for remote data acquisition, monitoring, and control systems.
Key Features:
- Quad-band GSM/GPRS connectivity (850/900/1800/1900 MHz)
- RS-232 interface for easy integration with industrial devices
- Supports data rates up to 85.6 kbps
- AT command set for flexible configuration and control
- SIM card slot for secure network access
- Built-in TCP/IP stack for easy internet connectivity
GTM-201-RS232 Quick Start
Industrial Quad-band GPRS/GSM Modem
GTM-201-RS232
Quick Start Manual
Package Checklist
The package includes the following items:
z One GTM-201-RS232 hardware module
z
One Quick Start Manual (this manual)
z One companion CD
z
One RS-232 9-pin Male-Female D-sub cable (CA-0915)
z One GPRS antenna
Related Documents and Software Utilities
Documents
z
User manual: GTM-201_User_Manual
z Quick Start Manual: GTM-201-RS232_QuickStart_Manual
z CD:
\napdos\GPRS_GSM_Modem\GTM-201_Modem\Manual
z
Http://ftp.icpdas.com/pub/cd/usbcd/napdos/GPRS_GSM_Modem/
GTM-201_Modem/Manual
¾ View of the GTM-201-RS232 Panel
GTM-201-RS232 Ver 1.00
1
GTM-201-RS232 Quick Start
Pin Assignments
SW1-Operation Mode
No
Handshaking
None
3-wire RS-232
Hardware
Handshaking
RTS/CTS
9-wire RS-232
RST+
RESET
RST-
Frame Ground F.G.
DC.GND Power Input:
+10 ~ 30V
DC
DC.+VS
¾ Reset Wire Connection
Input Type Reset State ON Reset State OFF
Reset
Input
Reset Input
ON Voltage Level +3.5 V
DC
~ +30 V
DC
OFF Voltage Level +1 V
DC
max.
GTM-201-RS232 Ver 1.00
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GTM-201-RS232 Quick Start
¾ Connect the GTM-201-RS232 to power and PC
¾ SIM card and Antenna Installation
GTM-201-RS232 Ver 1.00
3
SIM Card
GTM-201-RS232 Quick Start
¾ Quick Test
(Hyper Terminal)
Step1. Start → All Programs →
Accessories → Communications →
Hyper Terminal → Input new connection
name → Click “OK” → Select your PC
serial port → Click “OK”
GTM-201-RS232 Ver 1.00
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Step3. File → Properties → Settings →
Click “ASCII Setup…” → Select “Echo
typed character locally” → OK
Step2. Please refer to below settings
Bits per second 115200
Data bits 8
Parity None
Stop bits 1
Flow control None
Note: Please select “None” mode on the
GTM-201-RS232 SW1 Hardware
Step4. Input “AT” and press “Enter”, then
you will receive “AT OK”
GTM-201-RS232 Quick Start
¾ Create a new modem
connection on PC
Step2. Select ”Standard Modem Types” →
Select “Standard 19200 bps Modem” →
Click “Next”
Step1. Control Panel → Double-click
“Phone and Modem Options” → Modem
→ Click “Add”
Step4. Control Panel → Double-click
“Phone and Modem Options” → Modem
Step3. Select your COM Port to connect
→ Select “Standard 19200 bps Modem”
the modem → Click “Next”→Click”Finish”
→ Click “Properties”
GTM-201-RS232 Ver 1.00
5
GTM-201-RS232 Quick Start
Step5. Control Panel → Double-click
“Phone and Modem Options” → Modem
→ Select “Standard 19200 bps Modem”
→ Click “Properties” → Modem →
Maximum Port Speed → 115200
Step7. Diagnostics → Query Modem →
Click “OK”
Note: If user queries modem that gets a
Error, please try again.
Step6. Advanced → Extra initialization
commands:
Note: GPRS’s APN must be provided from
your Telecom. CO., LTD.
For example in Taiwan:
AT+CGDCONT=1,”IP”,”INTERNET”
For example in China:
AT+CGDCONT=1,”IP”,” CMNET”
Step8. Click “OK”
GTM-201-RS232 Ver 1.00
6
GTM-201-RS232 Quick Start
¾ Create a new dial-up on a
PC
Step2. Select “Connect using a dial-up
modem” → Click “Next”
Step1. Control Panel → Network
Connections → Click “Create a new
connection” → Click “Next” → Select
“Connect to the Internet” → Click “Next”
Step4. GPRS’s User name and GPRS’s
Password → Click “Next” → Click
“Finish”
Step3. Your GPRS’s name → Click “Next”
→ Phone Number: → Click “Next”
Note: Phone Number must be provided
from your Telecom. CO., LTD.
For example in Taiwan: *99***1#
Note: GPRS’s User name and GPRS’s
Password must be provided from
your Telecom. CO., LTD.
GTM-201-RS232 Ver 1.00
7
GTM-201-RS232 Quick Start
Step6.Maximum speed(bps) →
Select ”115200” →
Enable hardware flow control (Note)
→ Click “OK”
Note：
GTM-201-RS232
“RTS/CTS”
mode
Please select
“Enable
hardware flow
control”
GTM-201-USB Please don’t
select “Enable
hardware flow
control”
Step5. Contral Panel →
Network Connections →
Click “Your GPRS’s name” → File
→ Properties → General →
Select ”Standard 19200 bps Modem”
→ Click “Configure”
Step8. If you connect to internet
successfully, your toolbar have
new logo
Step7. Contral Panel → Network
Connections → Double-Click “Your
GPRS’s name” → Click “Dial”
¾ Technical Support
1. ICP DAS Service :
2. GTM-201-RS232 software Website:
http://www.icpdas.com./products/GSM_GPRS/wireless/
GTM-201.htm
GTM-201-RS232 Ver 1.00
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ICP GTM-201-RS232 Quick start guide
- Type
- Quick start guide
- This manual is also suitable for
ICP GTM-201-RS232 is an industrial quad-band GPRS/GSM modem that provides reliable wireless connectivity for various applications. With its compact design and versatile features, the GTM-201-RS232 is ideal for remote data acquisition, monitoring, and control systems.
Key Features:
- Quad-band GSM/GPRS connectivity (850/900/1800/1900 MHz)
- RS-232 interface for easy integration with industrial devices
- Supports data rates up to 85.6 kbps
- AT command set for flexible configuration and control
- SIM card slot for secure network access
- Built-in TCP/IP stack for easy internet connectivity
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