Multi-Tech Systems MT2456SMI22 - Manual (Page 5)

Chapter 1 – Product Description and Specifications
Multi-Tech Systems, Inc. MT2456SMI-22 SocketModem Developer’s Guide 5
Technical Specifications
The SocketModem meets the following specifications:
Client-to-Server Data Rates V.22 bis
Client-to-Client Data Rates 2400, 1200, 0-300 bps
Data Format Serial, asynchronous
Modem Compatibility V.22bis, V.22; Bell 212A and 103/113; ITU-T V.21 & V.23
Error Correction ITU-T V.42 (LAP-M or MNP 2–4)
Data Compression ITU-T V.42bis
Speed Conversion Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400,
57,600, and 115,200
Modes of Operation Full duplex over dial-up lines; data mode, command mode, and online command
mode
Flow Control XON/XOFF (software), RTS/CTS (hardware)
Command Buffer 50 characters
Transmit Level –12 dBm (varies by country setting)
Frequency Stability ±0.01%
Receiver Sensitivity –43 dBm under worst-case conditions
Interface Serial ITU-T V.24 logical interface
Diagnostics Local analog loop
Weight 0.02 Kg. (0.04 lb.)
Dimensions 1.045" Ч 2.541" Ч 0.680" (2.7 x 6.5 x 1.8 cm)
Power Consumption Typical: 70 mA (.235 W @ 3.3V DC); Maximum: 80 mA (.264 W @ 3.6V DC)
Operating Voltage Typical: 3.3V DC +/- 5%; Absolute Maximum Supply Voltage: 3.7 V DC
Operational Temperature 0 to +70° C ambient under closed conditions; humidity range 20% to 90% (non-
condensing)
Storage Temperature -10° to +85° C
Intelligent Features TIA-602 command compatible
V.22bis fast connect
Supports V.80
Supports Fast POS 9600
Line polarity reversal detection
Line current loss detection
Line-in-use detection during on-hook operation
Extension pickup detection
Call waiting detection
Caller ID (US configuration only)
DTMF detection
autodial, redial
pulse or tone dial
auto answer
call status display