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MultiModemDSVD User Guide B Technical Specifications
63
Voice Compression PCM 128, 8000 Hz, or IMA ADPCM, 8000 Hz, (selectable
and Sampling Rate via #V commands). Note that your computer system should
have a processing speed of at least 75 MHz to take full ad-
vantage of the telephony features of this product.
Transmit Level -11 dBm (dial-up)
Frequency Stability ±0.01%
Receiver Sensitivity -43 dBm under worst-case conditions
AGC Dynamic Range 43 dB
Impedances Microphone input: 2.2 k
Speaker output: 50
Interface EIA RS-232C/ITU-T V.24/V.28
Connectors DB25 RS-232C connector; two RJ-11 phone jacks (one RJ-11
jack on UK and international modems), power jack; 1/8-
inch stereo speaker jack and microphone jack.
Cables One RJ-11 phone cable (USA); country-specific cord for UK
and International models; external power transformer and
cord
Note: Any cables connected to the computer should be
shielded to reduce interference.
Diagnostics Power-on self test, local analog loop, local digital loop, re-
mote digital loop.
Indicators LEDs for Transmit Data, Receive Data, Carrier Detect, 56K
bps, 33.6K bps, 14.4K bps, Off Hook, Terminal Ready, Error
Correction, Fax.
Speaker Command-controlled 2-inch speaker for call progress moni-
toring.
Manual Control ON/OFF power switch
Environmental Temperature range 0°–50°C (32°–120°F); humidity range
20–90% (non-condensing)
Power Requirements 100–130VAC, 50/60 Hz, 5 W; two-prong outlet-mounted
transformer (included); 230V/50 Hz optional (international)
Power Consumption 9 VDC, 300 mA maximum transformer output
Dimensions 10.8 cm wide x 14.8 cm long x 2.9 cm high (4.25" x 5.8" x
1.15")
Weight 224 g (8 oz)
Limited Warranty 10 years