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Adaptec ATM25 NICs support both permanent virtual circuits (PVCs) and switched virtual circuits (SVCs) with the signaling software that conforms to ATM Forum UNI 3.0 and UNI 3.1 standards. Conforming to ATM Forum standards, Adaptec ATM25 NICs interoperate with switches, routers, and edge devices from major network vendors, (such as IBM, FORE Systems, Whitetree and First Virtual), and provide the full advantage of LAN Emulation version 1.0 and Classical IP over ATM (RFC-1577). As a result, they give users freedom of choice in ATM solutions and enable the integration of new ATM technology with legacy LANs.
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DownloadsDocumentationTechnical Specifications

Note: Only drivers that are not included or embedded within a supported operating system are listed below. To see a complete list of supported operating systems see the Product Specifications

Select your operating system or software below


Sun Solaris

Hardware Installation
how to install your adaptec pci card (html 74 kb)
Installing Drivers or Software
atm with novell dos client (html 69 kb)
Product Documentation
User Guide to Installing and Using ATM Solaris Software (PDF 134 KB)
External Connectors
RJ-45 Shielded Style Interface
Data Transfer Rate
25 Mbits/sec

Hardware Features

Adaptec ASIC for ATM support
ATM SAR state machine
On board segmentation and reassembly
Full burst transfer support
Programmable interrupt delay allows batched interrupt processing
Support for Peak Cell Rate (PCR)
DMA master with chained DMA
Buffer RAM for either 128KB or 512KB

Software Features

Support for Classical IP and ARP over ATM (RFC 1577)
Full support of ATM Forum's ILMI (Interim Local Management Interface) including address registration and ATM MIB (Management Information Base) statistics GUI and diagnostics
Network Management:
SNMP Network Management software with GUI
Includes transparent support for today's applications through Classical IP over ATM (RFC-1577), and LAN Emulation (LEC)
Supports up to 1,024 Virtual Channel Identifiers (VCIs)
Features user-selectable Peak Cell Rate (PCR) values
Supports SVCs per the ATM Forum UNI 3.0 using Q.93B signaling, and UNI 3.1 using Q.2931 signaling, ensuring interoperability with all UNI-compliant ATM switches

Maximum Cable Length

100m (305 ft)

ATM Network Cable Type

Category 3 or better Unshielded Twisted Pair Copper Cable(UTP-3 or better)and Type 1 Shielded Twisted Pair (STP)Copper Cable

System Requirements Under Solaris Environment

Solaris v2.3 or v2.4 OS (which is also known as SunOS v5.3 or v5.4)
Any SBus slot in one of the following SUN workstations:
SPARCstation 2,4,5
SPARCstation 10, 20
10 MBytes of free space in the root directory (or you can specify another directory for most of the files)
2 MBytes of free space in the i/kernel/drv directory
32 MBytes of RAM is recommended
Motif or OpenWindows environments for using Adaptec EZ-ATM

System Requirements Under Windows NT Environment

Windows NT 3.5 or 3.51
16 Mbytes of RAM
PCI rev. 2.0 compliant computer with +5V PCI slots for the ANA-5910 only and +5V/+12V PCI slots for the ANA-5930/5940 only
PCI Bus Master slot
10 Mbytes of free hard disk space

Supported Interfaces

MMF (155 Mbps)
UTP-5 (155 Mbps0)
UTP-3 (25.6)

Power Consumption

2 amps @ 5V DC
4.75 V to 5.25 V

Operating Characteristics

0 to 70°C
20% to 90% non-condensing relative humidity