Introduction; Product Features - 3Com ATMLINK 155 PCI User Manual

1
I
NTRODUCTION
This chapter describes the hardware and software features
® ™
of the 3Com 3C975 ATMLink 155 PCI network interface
card (NIC), hereafter called the 3C975 ATMLink NIC.

Product Features

The 3Com ATMLink 3C975 NIC is available in two models:
the 3C975-F and the 3C975-UTP. The 3C975-F NIC has an
SC duplex fiber-optic cable connector for double-strand
62.5/125 m multimode fiber-optic cable. The 3C975-UTP NIC
has an RJ-45 connector and requires Category 5 unshielded
twisted-pair cable. Both 3C975 ATMLink NICs are high-
performance single-slot, bus master, half-length PCI cards that
provide 155.52 megabit per second (Mbps) SONET (STS-3c)
physical layer support.
The 3C975 ATMLink NICs support the following features:
ATM Forum standard LAN Emulation Client (LEC)
ATM Forum AAL5 ATM adaptation layer
ATM Forum UNI 3.0/3.1 standard signaling for switched
virtual circuit (SVC) connections
Up to 4 NICs per system
Up to 16 emulated LANs (ELANs) per NIC
Up to 512 active connections per NIC
Up to 4,096 open and 1,024 simultaneously active virtual
channel connections per system
Resilient Server Link capability to protect against link failure
Compliance with PCI Local Bus Specification, revision 2.0
Link LED to indicate connection status