IBM X.25 manual Product Description, Highlights

Chapter 1. Product Description

The	IBM ARTIC X.25 Interface	Co-Processor	PCI	adapter (called
PCI	co-processor adapterthroughout	this book),	with	supporting

software, enables the attachment of a PCI-bus-compatible personal computer system to an X.25 Packet-Switched Network so the personal computer system can operate as a packet terminal. Synchronous connection to the network is supported through an interface that can be configured as ebithers usingX.a21 or X.21 selectable optional cable.

The PCI co-processor adapter has its own microprocessor and memory, allowing it to perform communications functions.

Highlights

The PCI co-processor adapter provides:

Ÿ80C186XL microprocessor

Ÿ 512KB of dynamic random-access memory (DRAM)

ŸCommunications port that can, through optional cables, support

the X.25		layer	through any one of the following interfaces:
–	X.21	up to	64KBps	duplex
–	X.21bis/V.24		(RS-232C) up		to 19.2KBps duplex
–	X.21bis/V.35		up to	56KBps	duplex

Ÿ	Automatic	recognition of		the selected interface		cable
Ÿ	Capacity	for	the concurrent support		of up to	250 virtual channels
Ÿ	Multiple	card	installation	capability.

 Copyright IBM Corp. 1996 1-1