Insys Modem 56k 4.1 11-02-01-01-40.028 Manuale Utente

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Technical Data 
INSYS Modem 336/56k 4.1 (UL) 
13.6  Standards 
13.6.1  ITU Standards (CCITT) 
ITU Standards (CCITT)  Meaning 
V.21 
Transmission with 300 bps (duplex) 
V.22 
Transmission with 1,200 bps (duplex) 
V.22bis 
Transmission with 2,400 bps (duplex) 
V.23 
Send with 75 bps and receive with 1,200 bps and vice versa  
V.23 half-duplex 
Send or receive with 1,200 bps (half duplex) 
V25bis Alternate 
command 
set for AT command set 
V.32 
Transmission with 9,600 bps or (fallback) 7,200, 4,800 bps. 
V.32bis 
Transmission with 14,400 bps or (fallback) 12,000, 9,600, 7,200, 4,800 bps. 
V.FC 
Transmission with 28,800 bps or (fallback) 26,400, 24,000, 21,600, 19,200, 
16,800, 14,400 bps. 
V.34 
Transmission with 28,800 bps or (fallback) 26,400, 24,000, 21,600, 19,200, 
16,800, 14,400 bps. 
V.34+ 
Transmission with 33,600 bps or (fallback) 31,200, 28,800, 26,400, 24,000, 
21,600, 19,200, 16,800, 14,400 bps. 
V.42 
Error protection method for DCE’s with asynchronous-to-synchronous conver-
sion  
V42bis 
Data compression method 
V.90 
Receive with 56,000 bps or (fall back) 54,667, 53,333, 52,000, 50,667, 49,333, 
48,000, 46,667, 45,333, 42,667, 41,333, 40,000, 38,667, 37,333, 36,000, 34,667, 
33,333, 32,000, 30,667, 29,333, 28,000 bps. 
Send with 33,600 bps or (fall back) 31,200, 28,800, 26,400, 24,000, 21,600, 
19,200, 16,800, 14,400 bps. 
V.92 
Receive with 56,000 bps or (fall back) 54,667, 53,333, 52,000, 50,667, 49,333, 
48,000, 46,667, 45,333, 42,667, 41,333, 40,000, 38,667, 37,333, 36,000, 34,667, 
33,333, 32,000, 30,667, 29,333, 28,000 bps. 
Send with 48,000 bps or (fall back) 46,667, 45,333, 42,667, 41,333, 40,000, 
38,667, 37,333, 36,000, 34,667, 33,333, 32,000, 30,667, 29,333, 28,000 bps. 
(bis = French: secondly) = extended
 
Bps indicates the transmitted bits per second. 
Duplex means that the transmission takes place into both directions. 
13.6.2  Supported Standards 
INSYS Modem 336 
V.42bis, V.42,V.32bis, V.32, V.23, V.22, V22 bis, V21, 
V.34+, V.FLC 
INSYS Modem 56k   
As 336 PRO, additional V.90 
94
 
 
July 06