This publication may not be reproduced, in whole or in part, without the specific and express prior written permission signed by an executive officer of
Multi-Tech Systems, Inc. makes no representations or warranties, whether express, implied or by estoppels, with respect to the content, information, material
and recommendations herein and specifically disclaims any implied warranties of merchantability, fitness for any particular purpose and non-infringement.
Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of
Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.
Trademarks
MultiTech is a trademark of and SocketModem, SocketWireless, Universal IP, SocketEthernet IP and the Multi-Tech logo are registered trademarks of
Multi-Tech Systems, Inc. All other brand and product names are trademarks or registered trademarks of their respective companies.
Legal Notices
The MultiTech products are not designed, manufactured or intended for use, and should not be used, or sold or re-sold for use, in connection with
applications requiring fail-safe performance or in applications where the failure of the products would reasonably be expected to result in personal injury
or death, significant property damage, or serious physical or environmental damage. Examples of such use include life support machines or other life
preserving medical devices or systems, air traffic control or aircraft navigation or communications systems, control equipment for nuclear facilities, or
missile, nuclear, biological or chemical weapons or other military applications (“Restricted Applications”). Use of the products in such Restricted
Applications is at the user’s sole risk and liability.
MULTITECH DOES NOT WARRANT THAT THE TRANSMISSION OF DATA BY A PRODUCT OVER A CELLULAR COMMUNICATIONS NETWORK WILL BE
UNINTERRUPTED, TIMELY, SECURE OR ERROR FREE, NOR DOES MULTITECH WARRANT ANY CONNECTION OR ACCESSIBILITY TO ANY CELLULAR
COMMUNICATIONS NETWORK. MULTITECH WILL HAVE NO LIABILITY FOR ANY LOSSES, DAMAGES, OBLIGATIONS, PENALTIES, DEFICIENCIES, LIABILITIES,
COSTS OR EXPENSES (INCLUDING WITHOUT LIMITATION REASONABLE ATTORNEYS FEES) RELATED TO TEMPORARY INABILITY TO ACCESS A CELLULAR
COMMUNICATIONS NETWORK USING THE PRODUCTS.
The MultiTech products and the final application of the MultiTech products should be thoroughly tested to ensure the functionality of the MultiTech
products as used in the final application. The designer, manufacturer and reseller has the sole responsibility of ensuring that any end user product into
which the MultiTech product is integrated operates as intended and meets its requirements or the requirements of its direct or indirect customers.
MultiTech has no responsibility whatsoever for the integration, configuration, testing, validation, verification, installation, upgrade, support or
maintenance of such end user product, or for any liabilities, damages, costs or expenses associated therewith, except to the extent agreed upon in a
signed written document. To the extent MultiTech provides any comments or suggested changes related to the application of its products, such
comments or suggested changes is performed only as a courtesy and without any representation or warranty whatsoever.
Contacting MultiTech
Knowledge Base
The Knowledge Base provides immediate access to support information and resolutions for all MultiTech products. Visit
http://www.multitech.com/kb.go.
Support Portal
To create an account and submit a support case directly to our technical support team, visit:
https://support.multitech.com.
Support
Business Hours: M-F, 8am to 5pm CT
Country
Europe, Middle East, Africa:
U.S., Canada, all others:
By Email
support@multitech.co.uk
support@multitech.com
By Phone
+(44) 118 959 7774
(800) 972-2439 or (763) 717-5863
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: 763-785-3500 or 800-328-9717
Fax: 763-785-9874
Warranty
To read the warranty statement for your product, please visit:
http://www.multitech.com/warranty.go.
SocketModem Cell HSPA and SocketModem iCell HSPA MTSMC-H5 Device Guide
MTSMC-H5 All Builds .......................................................................................................................................................... 6
Frequency Bands ................................................................................................................................................................. 9
HE910 Telit Transmission Output Power ............................................................................................................................ 9
Recommended Parts ......................................................................................................................................................................... 9
Powering Down Your Device ............................................................................................................................................. 10
Serial Signal DC Electrical Characteristics ......................................................................................................................... 10
Absolute Maximum Rating .............................................................................................................................................................. 10
Electrical Characteristics Other Pins ................................................................................................................................. 11
Pin Availability by Build ..................................................................................................................................................... 12
Power Measurements ....................................................................................................................................................... 13
Additional Information for the MTSMC-H5 Serial Device ............................................................................................................... 21
Set Phone and Registration Functionality +CFUN ........................................................................................................................... 21
GSM Power Saving Modes for Serial Devices.................................................................................................................................. 22
RTS Control of Power Mode AT+CFUN=9........................................................................................................................................ 23
DTR Control of Power Mode AT+CFUN=5 ....................................................................................................................................... 23
User Responsibility ............................................................................................................................................................ 24
3
SocketModem Cell HSPA and SocketModem iCell HSPA MTSMC-H5 Device Guide
Radio Frequency (RF) Safety ............................................................................................................................................. 25
Interference with Pacemakers and Other Medical Devices.............................................................................................. 25
FCC Part 15 ........................................................................................................................................................................ 27
FCC Grant Parts 22, 24, and 27 ......................................................................................................................................... 27
Industry Canada ................................................................................................................................................................ 28
EMC, Safety, and Radio Equipment Directive (RED) Compliance (H5 and H5-U only) ..................................................... 28
Chapter 6 – Carrier Specific Information .................................................................................................................. 29
Notice for Devices that Use Aeris Radios .......................................................................................................................... 29
LED Interface ..................................................................................................................................................................... 30
LED 1 – Heartbeat – IP and –GP Builds Only ................................................................................................................................... 30
LED 2 – Link Status – All Builds ........................................................................................................................................................ 30
LED 3 – Signal Strength –IP and –GP Builds Only ............................................................................................................................ 30
LED 4 – GPS Status – GP Builds ....................................................................................................................................................... 31
Receiver Features ............................................................................................................................................................................ 31
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51单片机的串口，是个全双工的串口，发送数据的同时，还可以接收数据。 当串行发送完毕后，将在标志位 TI 置 1，同样，当收到了数据后，也会在 RI 置 1。 无论 RI 或 TI 出现了 1，只要串口中断处于开放状态，单片机都会进入串口中断处理程序。 在中断程序中，要区分出来究竟是发送引起的中断，还是接收引起的中断，然后分别进行处理。 看到过一些书籍和文章，在串口收、发数据的处理方法上，很多人都...[详细]
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