Specifications

Chapter 5 – SocketModem IP (MT2456SMI-IP)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342F) 95
Technical Specifications
The SockeModem (MT2456SMI-IP) meets the following specifications:
Category Description
Data Standards
V.92, V.34, V.32, V.32bis, V.22
Data Format
Serial, asynchronous
Character Format
10 bit
Serial/Data Speeds
Supports DTE speeds up to 230.4K bps
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.44, V.42bis
Modes of Operation
Full duplex over dial-up lines; data mode, command mode, online command mode
Dimensions
2.541" L x 1.045" W x 0.68" H (6.45cm x 2.65cm x 1.7cm)
Weight
0.6 oz. (0.017 kg.)
Operating Temperature
0° to +70° C ambient under closed conditions
Storage Temperature
-40° to +85° C
Humidity
20% to 90% (non-condensing)
Operating Voltage
Typical: 3.3VDC ± 10%; Absolute Maximum Supply Voltage: 3.6VDC
Power Consumption
V.22bis:
Typical: 135mA (.445W @ 3.3VDC)
Maximum: 195mA (.702W @ 3.6VDC)
V.92, V.34, V.32:
Typical: 165mA (.545W @ 3.3VDC)
Maximum: 225mA (.780 W @ 3.47VDC)
Transmit Level
-12 dBm (varies by country)
Receiver Sensitivity
-43 dBm
DAA Isolation
1.5Kv r.m.s. or 2121 VDC at working voltage of 250VAC
Command Buffer
50 characters
Telephony/TAM
TAM (Telephone Answering Machine)
In modem (transparent) mode
V.253 commands: V.253
2-bit and 4-bit ADPCM, 8-bit linear PCM, and 4-bit IMA coding
8 kHz sample rate
Concurrent DTMF, ring, and Caller ID detection
Certifications &
Approvals
Safety Certifications
UL 60950
cUL 60950
EN 60950
AS/NZS 6950:2000
CCC
EMC Approvals
FCC Part 15 (Class B)
Canadian (Class B)
EN 55022 (Class B)
EN 55024
GB4943, GB9254
Warranty
2 years