Today’s networks require scalable, high-performance platforms with the flexibility to allow network capacity to keep pace with customer’s demands. The Cornet PMC ATM STM-1 Card in PMC form factor provides cost-effective, reliable ATM connectivity at 155 Mbps. The PMC has been designed especially for high-availability, high bandwidth access applications the application includes IP Switching, Routing, and other applications that require the Quality of Service (QoS) guarantees provided by ATM. The Cornet’s PMC STM-1 module can be plugged into any VME, cPCI board. The Cornet PMC STM1 is designed based on high performance chipset from Mind speed and conforms to ATM forum recommendations. 


  • PCI 32-bit, 33MHz PMC interface
  • Conforms to the ATM Forum recommendations
  • High performance Mind speed ™ ATM Controller @ 155 Mbps ATM SAR
  • Support for ATM AAL5 and AAL0 Adaptation Layers
  • Up to 64 K simultaneous Virtual Connections (VCs) supported
  • 4MB on-board memory for ATM
  • Optical interfaces for 155 Mbps connectivity
  • Serial EEPROM to store PCI configuration information.
  • One 10/100 BASE-TX port is terminated to P4 PMC connector
  • Cornet API and diagnostic utility
  • Device drivers Linux 2.4 & 2.6

Product Specifications

PMC STM1 Technical Specifications

PMC (PCI 2.3) Compliant
Bus Data Transfer 32-bit, 33 MHz
Mindspeed CN8236
Intel 10/100 BASE-TX Compatiblity
149.0 mm x 74.0 mm (L x W)
SC optical Connectors
Ethernet Activity
Software Support
Linux 2.4 / 2.6
ATM Features
Single SAR with two ATM connections
155 Mbps optical interface
Transceivers with SC connectors
ATM AAL5 or AAL0 connectivity
Constant Bit Rate (CBR), Variable Bit (VBR) and Unspecified Bit Rate (UBR)
64 K Virtual Connections (VCs)
Link status and software status indicators
Ethernet Features
Intel 82551IT 10/100 Mbps integrated Mac and PHY
32-bit 33 MHz PCI 2.1 compliant with universal signaling
PHY detects polarity, MDI-X and cable length
XOR tree mode support

PMC STM1 Environmental Specifications

Operating Temperature
-0ºC to +70ºC
Storage Temperature
-40ºC to +85ºC
Relative Humidity
5% to 95% non-condensing
ROHS Compliant

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