X.Port X.25 Software for Windows NT
X.PORT X.25 Software for Windows
NT provides a feature rich API, TCP/IP over X.25, a built in protocol
monitor, simple configuration with an advanced level for those who
need it and much more. |
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Application
Development
For application developers the X.PORT products have a very flexible
API which permits access to the low level features of X.25, ISO
Transport and a Triple-X Pad whilst permitting fast development
when requirements are more straightforward. A working documented
sample C source program interfacing to X.25 is included as part
of the software package. The source code access routines
can be directly included in your application to fast track your
development. There is comprehensive on-line API documentation (Adobe
PDF format) with helpful advice on the best way to use the API.
The developers kit is supplied free on the CD with
every product.
The API is shared with the FarSync PCI product range, this means
that Windows NT applications developed to use the X.PORT X.25 API
will work with FarSync without change. It most cases applications
developed to use FarSync will also work with X.PORT.
IP
over X.25
The IP/X25 module enables PCs to run the IP protocol
over an X.25 network. All higher level protocols that run over
IP including TCP, UDP, HTTP and FTP are handled. The module complies
with RFC 1356 to permit interoperation with other X.25 attached
devices.
Easy
Line Configuration
The Version 2.0 X.PORT product is simple to install on Windows
NT, configuration is by a user friendly application designed
to make X.25 configuration easy, click
for example, there's context sensitive help and an on-line manual
should it be required. Many of the parameters such as DTE / DCE
selection are determined automatically, selecting the line speed
by default automatically sets suitable timer and retry values. The
advanced tab permits users to exactly specify the configuration
of the line where this is required, click
for example.
Line
Monitor
Two line analysis utilities are included. X25STATS keeps statistics
on the health of the line, these include: user data, packet and
frame type counts and the connection status. X25MON displays
in real time the packet and frame level decodes of data
transmitted and received.
Detailed
Technical Specifications
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| X.PORT
X.25 Protocol Handler Version 2.0 for Windows NT |
| General |
| Product code |
XP8918 |
| Max Port Count |
2 |
| Maximum Link Speed |
512 Kbits/sec |
| Port Types Supported |
V.24, X.21 & V.35 |
| Internal/External Line Clocking |
Soft selectable from the configuration application,
tech
note |
| Windows NT 4.0 (SP 3 or above) |
Required |
| X.25 Features |
| Throughput (aggregate) |
220 pps (data packets per second) |
| X.25 CCITT Compliance |
CCITT 1980, 84 & 88 |
| DTE / DCE Operation |
Software selectable from the configuration application |
| Max SVCs |
254 |
| Max PVCs |
254 |
| Data Packet size range |
16 to 4096 |
| Reverse Charging |
Yes |
| Closed User Groups (CUG) |
Yes |
| Network User Identifier (NUI) |
Yes |
| Fast Select |
Yes |
| Packet & Window size negotiation |
Yes |
| Throughput class negotiation |
Yes |
| Extended sequence numbering (128) |
Yes |
| Accessible via API |
Yes |
| IP over X.25 |
| Standard supported |
RFC 1356 |
| Higher level protocols supported |
All, including TCP, UDP, HTTP and FTP |
| X.25 idle session disconnect timeout option |
Yes |
| IP address configuration |
IP address/subnet mask and X.25 NUA |
| IP packet routing selection |
Nominated X.25 line or any line |
| Simultaneous use with X.PORT API |
Yes |
| Integrates with Microsoft TCP/IP stack |
Yes |
| Configured by |
X.25 Routing Control Panel applet |
| ISO Transport |
| Standard supported |
ISO 8073 (connection orientated) |
| Classes supported |
Classes 0,1,2 & 3 |
| Negotiation between classes |
Yes |
| Maximum simultaneous transport connections |
254 |
| Accessible via API |
Yes |
Triple-X Pad (X.PORT Xi+ card only) |
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| Standards supported |
CCITT 1984 standard - X.3, X.28 & X.29 |
| Parameter support |
All 22 of the 1984 standard |
| Maximum simultaneous connections |
254 |
| Accessible via API |
Yes |
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered
trademarks of their respective companies or mark holders.
Last updated: 17 Mar 2004
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