Download Print this page

IBM 7858 Product Overview page 3

Professional modem
Hide thumbs

Advertisement

A
Supported Line speeds (Kbps)
Modulation
V .34
V.32bis
V.32Trellis
V.32
V.22bis
V.23
V.22
V.21
Fax Group 3:
ITU V.29
V.27 ter
V. 1 7
Supported DTE speeds
Speed (Kbps)
115.2
57.6
38.4
33.6
31.2
28.8
26.4
24.0
21.6
19.2
16.8
14.4
12.0
9.6
7 .2
4.8
2.4
1.2
0.3
*In Direct Mode (that is, when data Buffering and Error Control with or without modem compression are disabled)
Directory services
With the 7858 modem, you can define
and store up to 20 different telephone
numbers in Hayes AT mode and 12 in
V.25bis mode. You can also associate a
telephone number with a configuration.
When the number is dialed, the
configuration automatically activates.
Several dial numbers can be linked.
When the first dialed number is
detected as busy, the next number is
dialed automatically.
54
Modem Data Rate
33.6 – 2.4
14.4 – 4.8
9.6
9.6, 4.8
2.4, 1.2
1200/75
1.2
0.3
9.6, 7.2
4.8, 2.4
14.4 – 7.2
Synchronous DTE
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Factory preset and user configu-
rations
Ten different configurations are preset
and available in the modem. You can
select any of these configurations,
modify it and store it as a user configu-
ration.
Automatic dialing
Data transmission over the public
switched network is initiated after a
communication path is established.
Automatic calls can be initiated by the
DTE with the V.24/V.28 interface.
www.networking.ibm.com
Asynchronous DTE
No*
No*
No*
No
No
No
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Auto-call on the public switched
network is feasible using one of the
following commands:
•The Hayes Attention (AT) command set
•The ITU V.25bis command set
•The IBM LPDA-2 call-out and discon-
nect commands.
In call-originate mode, the 7858
modem automatically selects opera-
tion to match the remote modem.

Advertisement

loading

  Related Manuals for IBM 7858