User's Manual

V.34 28800…14400, 9600, 4800 u. 2400 bps, Fallback to 4800 bps;
full-duplex and half-duplex
V.Fast Class 28800…14400
V.42bis Error Correction and Data Compression Procedure to CCITT
Table A-1 Technical Specifications
Parameter Specifications
Methods of operation Asynchronous with manual and automatic dialing (AT-commands)
Error Correction and Data MNP Classes 1–5, V.42 and V.42bis
Compression
Transmission rates and See Chapter 1
Modulation procedure
Tolerance for deviation Max.: +1 (+ 2,3), -2,5%
from nominal speed
Character length asynchronous 7, 8, 9, 10, 11 Bits (incl. Star and Stop bits)
Pulse adjustment in Internal: Local oscillator
synchronous mode Extern: Pulse loop (Receive pulse = send pulse)
Interface with telephone Dialing line: 2-wire, full duplex
network
Digital interface RS232
Automatic dialing DTMF dialing
Loudspeaker Software-controlled: 3 volume levels.
DTMF amplitude fluctuation <1 Db
Tone duration 90 ms
Guard tone 550 Hz, 1800 Hz or no Guard tone
Temperature range 0–40° C
Storage temperature -25–+70° C
Air humidity max. 85% (Rel.)
Dimensions 120 *123 * 20 mm (L*B*H)
Weight ca. 50 g
TECHNICAL INFORMATION Appendix-3