
Chapter 1 – Introduction
Multi-Tech Systems, Inc. MT9234ZBA-Series User Guide 7
-12 dBm (Euro/NAM) – varies by country/region setting
-43 dBm under worst-case conditions
TIA/EIA RS-232C/ITU-T V.24/V.28
DB25F RS-232C connector; 2 RJ-11 telephone jacks; power jack
Country-specific telephone; power cables; serial cable.
Note: Any cables connected to the computer should be shielded to reduce
interference.
Power-on self test, local analog loop, local digital loop, remote digital loop.
LEDs for Transmit Data, Receive Data, Carrier Detect, Off Hook, Terminal Ready,
Power.
Internal speaker for call progress monitoring.
0°– 50° C (32°–120° F) ambient under closed conditions;
humidity range 20–90% (non-condensing)
Global modems: 100–240 VAC, 50/60 Hz universal power supply
EMC: FCC Part 15 Class B, EN55024, EN55022 Class B, ICES-003 Class B
Safety: UL/cUL 60950-1, IEC 60950-1, AS/NZS 60950
Telecom: 47CFR Part 68, CS03, TBR21, other countries also included
10.8 cm wide x 14.8 cm long x 2.9 cm high (4.25" x 5.8" x 1.15")
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