Technicalspecifications
XFAX- User’s Guide 4.3a 60
17. Technical specifications
XFAXis fax software for sending Group 3 faxes with the aid of Class 2-compat-
iblefax modems. The maximum speed for sending faxes is 14.400 bps, however
9.600bps is the most common. This depends on the other fax unit. The speed of
computerto modem is 19.200 bps.

17.1 Modem drivers

Class 2 (proposedTIA/EIA 592) and Class 2.0 (TIA/EIA 592)

17.2 File formats

ASCII, HPLaserjet (PCL-4), Modified Huffman. Files are usually stored in
ModifiedHuffman format since this is a very efficient way of compressingthis
type of data.

17.3 Memory required

Thisdepends to some extent on the operative system, but the whole systemoccu-
pies between2 Mb of memory after installation. When using the system the fol-
lowing isadded: One fax file with a normal page of data (A4) needs between 20
and 80 kb.

17.4 Tested platforms

AIX 3.2.5
AIX 4.1
AIX 4.2
AIX 4.3
HP-UX 9.x
HP-UX 10.x
HP-UX 11.x
Linux (Redhat)
SCO OpenServer5
SCO UNIX
SCO UnixWare2.1
SCO UnixWare7
SINIX
Solaris2.x (Intel and Sparc)

17.5 Modems tested

The followingmodems have been tested with XFAX and functioned satisfacto-
rily.However, for the best functioning we recommend the ZyXELmodem that
has been shown to be the most stable with respectto fax functionality.
Intertex,various models
Multitech,various models