Specifications

Chapter 4 – SocketModem (MT2492SMI)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342I) 91
Technical Specifications
The SocketModem (MT2492SMI-xx) meets the following specifications:
Category Description
Data Standards
V.92, V.90, V.34, V.29, V.22bis, V.22, V.23, V.21; Bell 212A & Bell 103
Data Format
Serial, asynchronous
Character Format
10 bit
Serial/Data Speeds
Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200,
38,400, 57,600, and 115,200
Client-to-Client Data Rates
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800 bps
14,400, 12,000, 9600, 7200, 4800 bps
2400, 1200, 0-300 bps
Data Error Correction
V.42 (LAP-M or MNP 2–4)
Data Compression
V.42bis, MNP 5
Modes of Operation
Full duplex over dial-up lines; data mode, command mode, and online command
mode
Weight
0.6 oz. (0.017 kg.)
Operating Temperature
0 to +70° C
Storage Temperature
-10° to +85° C
Humidity
20% to 90% (non-condensing)
Operating Voltage
Typical: 3.3VDC ± 5%; Absolute Maximum Supply Voltage: 3.6VDC
Typical: 5VDC ± 5%; Absolute Maximum Supply Voltage: 5.25VDC
Power Requirements 3.3 Volt: Typical: 32mA (.105W @ 3.3VDC);
Maximum: 37mA (.133W @ 3.6VDC)
5 Volt: Typical: 32mA (.16W @ 5VDC)
Maximum: 37mA (.194W @ 5.25VDC)
Transmit Sensitivity
-12 dBm (varies by country)
Receiver Sensitivity
-40 dBm (-43 dBm under worst case conditions)
DAA Isolation
1.5Kv r.m.s. or 2121 VDC at working voltage of 250VAC
Flow Control
XON/XOFF (software), RTS/CTS (hardware)
Command Buffer
50 characters
Certifications & Approvals Safety Certifications
UL/cUL 60950-1
EN 60950-1
AS/NZS 60950:2000
CCC
EMC Approvals
FCC Part 15 (Class B)
Canadian EMC (Class B)
EN 55022 (Class B)
EN 55024
Warranty
2 years
Intelligent Features
TIA-602 AT command compatible
AT command set support
Supports V.80
Line polarity reversal detection
Line current loss detection
Line-in-use detection during on-hook operation
Extension pickup detection
"Bell Core Type 1" Caller ID
Autodial, redial
Pulse or tone dial
Auto answer