Specifications

Revision Notes
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 4
Rev. F continued
MT800SEM (new chapter for new product) Chapter
Added FCC Certified Temperature note.
MT2BTSMI Chapter
Moved the Bluetooth chapter to the end of this guide.
Updated approvals for Bluetooth.
Added Application Note: Disabling Flow Control Using AT Commands.
New mechanical drawing.
Updated the Bluetooth antenna cable drawing.
Added note about importance of not losing PIN number.
Updated the pinout drawing.
G 08/30/07 Chapter 1
Updated the Universal Socket Design drawing on page 11.
Changed dimension heights of all products (see Specifications tables).
Changed the SIP Connector Manufacturer to Neltron Industrial Co.
Added EDGE and CDMA to Pin 58 LED Mode.
To Pin 64 description, MT2492SMI is square wave output and MT9234 is analog output.
Added a CDMA label example to Certifications, Approvals, Compliance, and Requirements; Wireless
Approvals.
Voice not supported by MT9234SMI – changed in table on page 13.
MT5656SMI Chapter
Added the Microphone Input Diagram. Added Microphone/Speaker Specifications at the end of the
chapter. Added pin 62 MICV as active to the parallel pinout graphic. Added a subheading "Supported
PCM Encoding" under Telephony/TAM specifications.
MT9234SMI Chapter
Added note to temperature specifications that all MT9234SMI products operate in the industrial
temperature range.
MT2492SMI – New Chapter
MT2456SMI Chapter
Added MT5656SMI-IP build.
SocketEthernet Chapter
Add a part number for the recommended safety rated capacitors in a non-isolated design.
SocketWireless GPRS Chapter
Added GPRS-F4 builds. MTSMC-G-F4 & MTSMC-G-F4-V changed to Global products.
SocketWireless CDMA Chapter
Added Bandwidth to the Specifications. Removed the Microphone Input graphic.
Wi-Fi (MT800SWM) Chapter
Changed pinout introduction to indicate a 15-pin configuration
Updated Power Consumption in the Specifications table.
Bluetooth Chapter
Changed information for Bluetooth protocol V.20 (this changed the example "Disabling Flow Control
Using AT Commands"). Removed highlight from –DSR pin. Removed DSR pin from Electrical
Characteristics table. Replaced the "Example of a Master Discovery/Connection Sequence" with
updated example. Replaced the command that puts the device into command mode; previously, it
was ATMC; now the command is +++.
H 10/15/07 Chapter 1
Updated the antenna specifications to include quad band and new FCC Requirements Note. See
page 30.
Made corrections to the RoHS statement.
I 07/31/08 Updated Board drawings and schematics for Revision B. Added two new chapters: SocketModem
HSDPA (MTSMC-H and MTSMC-H-U) and SocketModem GPRS (MTSMC-G-F4-IP). Deleted five
chapters or sections: SocketModem ISDN (MT128SMI), SocketModem (MT5634SMI), SocketModem
GPRS F1/F2 (MTSMC-G-F1/F2), and SocketModem (MT2456SMI-IP). Moved all common antenna
specifications to Chapter 1.