Kontron PMC240 - Manual (Page 21)

PMC240 Introduction
ID 25270, Rev. 01 © 2002 PEP Modular Computers GmbH Page 1 - 5
1.3 Board Overview
1.3.1 Board Introduction
The PMC240 Dual Channel Ethernet Controller is a CMC / PMC mezzanine card designed for
use with compliant carrier boards or CPU boards which support PMC modules. This module
incorporates a very flexible design which allows simple and easy integration of Ethernet func-
tionalily to any compliant system. As such, the PMC240 is an ideal solution for a very wide va-
riety of application requirements: from simple starting systems which must use currently
available resources to complex upgrade implementations employing newer technology.
The module itself may be equipped with either the single channel controller (Intel® 82545EM)
or the dual channel controller (Intel® 82546EB). Except for the number of channels, the func-
tionality provided by both controllers is essentially the same. The module supports either chip
using the same board design. This concept reduces the solution expenditure while providing
maximum performance and implementation flexibility.
Network interfacing is accomplished using either CAT5 UTP cabling for 10Base-T, 100Base-
TX, 1000Base-T operation, or multimode fiber optic links for 1000Base-SX operation. For cop-
per solutions, all MAC and PHY functions are integrated into the controller chips. Only galvanic
isolation is performed externally. For fiber optic solutions, the controller chips also provide all
MAC and PHY functions (including SERDES) except for the optical transceiver interface. This
is accomplished using an external transceiver module for each channel which also includes the
connectors to the optical links.
Host interfacing is provided by CMC / PMC compliant connectors and a single on-chip PCI in-
terface which supports both the PCI 2.2 as well as PCI-X 1.0a specifications. Depending on
application requirements, the PMC240 provides 32 or 64 bit data addressing and 33 / 66 MHz
PCI or 66 / 133 MHz PCI-X bus operation. Whether single or dual channel operation, the con-
troler chips represent only one electrical load to the PCI / PCI-X bus.
1.3.2 Board Specific Information
Specific board components involved in the Ethernet communications and data handling pro-
cess are:
• Front panel connectors (dependent on variant):
• Up to two RJ45 connectors
• Up to two Magnetics modules for galvanic isolation (RJ45 front end)
• Up to two Agilent HFBR-53A5VEM Fiber Optic Transceivers (with built-in connectors)
• Gigabit Ethernet controllers: (either)
• One single port Intel® 82545EM Gigabit Ethernet Controller, or
• One dual port Intel® 82546EB Dual Port Gigabit Ethernet Controller
• Three CMC / PMC compliant, 64 contact, male connectors (Pn1, Pn2, Pn3)
• Two linear voltage regulators
• Front panel LED’s:
• Four per channel with RJ45 copper front end
• Two per channel with SC-type optical front end
• One EEPROM (Configuration EEPROM)
• Optionally, up to 512 kB of soldered Flash memory