Specifications

Revision Notes
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342F) 3
Revision Notes
Rev. Date Description
A 06/17/04 Initial release of Universal Socket Connectivity hardware guide.
B 10/01/04 Added SocketWireless with Bluetooth Technology chapter.
Changed pinouts: TXCLK to TCLK and RXCLK to RCLK.
Added the schematics for the MT128SMI.
Added note to the SocketEthernet IP filtering drawing.
C 11/11/04 Revised GPRS mechanical drawing.
Added location information about AT commands, fax commands, and voice commands.
Updated Bluetooth chapter.
D 10/28/05 Added SocketWireless EDGE chapter. Added Recycling Statement (WEEE)
E 01/11/06 Updated Trademarks to Registered Trademarks.
Added SIM Toolkit to AT Commands list.
Added a contents of the Universal Developer Kit.
Added R-UIM Electrical Characteristics to the CDMA chapter.
Updated CDMA product list.
F 02/13/07 General
Established a standard format for all Technical Specifications pages. Adding DAA Isolation.
Created two Electrical Characteristics Tables – 3.3V and 5V – where applicable.
All operating temperatures have been retested and updated where needed.
Copyright Page
Updated the phone numbers.
Chapter 1 – Universal Socket Connectivity
Updated the Recommended Parts list and added RoHS compliant.
Removed part numbers from Tip and Ring drawing.
Added Safety section. Removed Hazardous Locations Warning
Updated the Anti-Static Warning.
Add new products to Maximum Component Height table.
Changed the SocketModem Developer Board drawing to provide module placement
orientation by identifying pin numbers and LED numbers.
Added a note on the Universal Board regarding ISDN capacitors.
Added all products to the RoHS statement.
Added board orientation to the ISDN Switch Blocks settings.
Updated the pinout drawing and pin descriptions.
Update the description of pin –RTS.
Added a Wireless Approvals section.
Chapter 2 – MT5600SMI & MT5656SMI
Removed FAX Class 2 and speakerphone support from the MT5600SMI.
Updated the pinout drawing.
Chapter 3 – MT5634SMI and MT9234SMI (new product MT9234SMI)
Added MT9234SMI to the MT5634SMI chapter.
Added DAA Isolation for HV.
Updated the pinout drawing.
Chapter 4 – MT2456SMI-22
Added the words TOP VIEW to the pinout drawing.
Updated the pinout drawing.
Chapter 5 – MT2456SMI-IP
Added Electrical Characteristics tables for Rev. A Board and Rev. B Board.
Changed the Web server support of HTML web pages to 30KB (64KB was wrong).
Updated the pinout drawing.
Chapter 6 – MTXCSEM, MT100SEM, MTXCSEM-L-RAS (new: MT100SEM, -RAS)
Added the MT100SEM and MTXCSEM-L-RAS to this chapter.
Changed the Web server support of HTML web pages to 30KB (64KB was wrong).
Added HV build and DAA isolation for HV.
Added information about the heartbeat LED.
Updated the pinout drawing.
Chapter 7 – MT128SMI
Updated the ISDN Interface schematic.
Created two Electrical Characteristics Tables – one for 3.3V and one 5V.
Added Notes to the ISDN Interface section.
Updated the pinout drawing.