Specifications
Table of Contents
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 7
Application Notes ................................................................................................................................................ 93
Tip and Ring Interface .................................................................................................................................... 93
Chapter 5 – SocketModem (MT2456SMI-22) ........................................................................................................... 95
Introduction ......................................................................................................................................................... 95
Product Ordering Information ............................................................................................................................ 95
Technical Specifications .................................................................................................................................... 96
SocketModem Configuration ............................................................................................................................. 97
Serial Configuration ....................................................................................................................................... 97
Electrical Characteristics ................................................................................................................................... 98
3.3V Serial SocketModem.............................................................................................................................. 98
5V Serial SocketModem ................................................................................................................................ 98
Applications Notes .............................................................................................................................................. 99
Tip and Ring Interface .................................................................................................................................... 99
Chapter 6 – SocketModem IP (MT5656SMI-IP) ....................................................................................................... 101
Introduction ....................................................................................................................................................... 101
Product Ordering Information .......................................................................................................................... 101
Technical Specifications .................................................................................................................................. 102
SocketModem Configuration ........................................................................................................................... 104
Serial Configuration ..................................................................................................................................... 104
Electrical Characteristics ................................................................................................................................. 105
Application Notes .............................................................................................................................................. 106
Tip and Ring Interface .................................................................................................................................. 106
Chapter 7 – SocketEthernet IP (MT100SEM) .......................................................................................................... 108
Introduction ....................................................................................................................................................... 108
Product Ordering Information .......................................................................................................................... 108
Technical Specifications .................................................................................................................................. 109
SocketModem Configuration ........................................................................................................................... 110
Serial Configuration ..................................................................................................................................... 110
Electrical Characteristics ................................................................................................................................. 111
3.3V Serial ................................................................................................................................................... 111
5V Serial ...................................................................................................................................................... 111
Application Notes .............................................................................................................................................. 112
Ethernet Interface – Non-Isolated Design .................................................................................................... 112
Ethernet Interface – Isolated Design ............................................................................................................ 112
Recommended Parts ................................................................................................................................... 112
Chapter 8 – SocketModem GPRS (MTSMC-G-F4 and MTSMC-G-F4-IP) .............................................................. 114
Introduction ....................................................................................................................................................... 114
Product Ordering Information .......................................................................................................................... 114
Technical Specifications .................................................................................................................................. 115
MTSMC-G-F4-IP Mechanical Dimensions & Pinout ........................................................................................ 117
MTSMC-G-F4 Mechanical Dimensions & Pinout ............................................................................................ 118
MTSMC-G-V-F4 Mechanical Dimensions & Pinout ......................................................................................... 119
GPRS Electrical Characteristics and Power Consumption ........................................................................... 120
Electrical Characteristics .............................................................................................................................. 120
Power Consumption ..................................................................................................................................... 120
Application Notes .............................................................................................................................................. 121
Flashing LED Interface ................................................................................................................................ 121
RF Performances ......................................................................................................................................... 121
RF Connection and Antenna ........................................................................................................................ 121
Microphone Inputs ....................................................................................................................................... 121
Chapter 9 – SocketModem CDMA (MTSMC-C) ...................................................................................................... 123
Introduction ....................................................................................................................................................... 123
Product Ordering Information .......................................................................................................................... 123
Technical Specifications .................................................................................................................................. 124