Communication specifications – Toshiba Portege 7140 User Manual
Page 149
User's Manual
Technical specifications A-7
Version
5
Last Saved on 20/12/99 04:11
Portege 7140CT User's Manual – 7140_UK.doc – ENGLISH – Printed on 20/12/99 as IM_714UK
Communication specifications
Communication system
Data:
Fax:
Full duplex
Half duplex
Communication protocol
Data
ITU-T-Rec
(Former CCITT)
Bell
Other
V.21/V.22/V.22bis/V.32
/V.32bis/V.34/V.90103/
212A
K56 flex
Fax
ITU-T-Rec
(Former CCITT)
V.17/V.29/V.27ter/V.21
ch2
Communication speed
Data transmission and reception
300/1200/2400/4800/7200/9600/12000/1440
0/16800/19200/21600/24000/26400/28800/3
1200/33600 bps
Data reception only with K56flex
32000/34000/36000/38000/40000/42000/440
00/46000/48000/50000/52000/54000/56000
bps
Data reception only with V.90
28000/29333/30666/32000/33333/34666/360
00/37333/38666/40000/41333/42666/44000/
45333/46666/48000/49333/50666/52000/533
33/54666/56000 bps
Fax
2400/4800/7200/9600/12000/14400 bps
Transmitting level
-10 dBm
Receiving level
-10 to -40 dBm
Input/output impedance
600 ohms ±30%
Error correcting
MNP class 4 and ITU-T V.42
Data compression
MNP class 5 and ITU-T V.42bis
Power supply
+3.3V, +5V (supplied by computer)