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Doc.ID: 34938, Rev 1.0
Introduction
CP342
CUSTOMER SPECIFIC
P R E L I M A R Y
1.2
Board Overview
1.2.1
Board Introduction
The CP342 board is a CompactPCI three speed Ethernet LAN controller for multiple server-to-
client networking functions. It provides dual independent Gigabit / Fast Ethernet interfaces.
Both interfaces are based on the Intell® Gigabit Ethernet PCI Bus LAN Controller 82546GB
with integrated physical layer interface (PHY).
CP342 is a 3U CPCI Ethernet board suitable for both 10Base-T, 100Base-TX, and 1000Base-
TX interfacing and includes all necessary features for auto-negotiation. Thus, 10/100/1000
Mbit/s transfer rates are supported by the board. In fact, provided that the network has the
speed capability, the CP342 switches automatically. Additionally, if the addressed network sta-
tion is compatible, it switches automatically to full-duplex mode.
The 3.3V signalling, 5V tolerant, board is designed to permit a very high PCI data bandwidth,
which is achieved thanks to a MAC with dual 64 kB configurable Transmit and Receive buffers.
The board does not have any jumpers and, therefore, does not require hardware configuration.
To make installation, repairs and updates easier, a PXE Boot allows the system to be started
from a different operating system via network provided the optional Boot Flash is installed.
Three versions of the board are available: the CP342 with a dual front panel RJ45 connector;
the CP342-RIO with no front panel connectors (signals are routed to J2 for rear IO capability);
the CP342-SFP with two Small Form-factor Pluggable (SFP) interfaces on the front panel. For
the CP342-RIO, there is a RIO module (CP-RIO3-42) with a dual RJ45 connector available.
1.2.2
Board Specific Information
Major board components of the CP342 board are:
• dual independent Gigabit Ethernet controller: Intel® 82546GB
• a Boot Flash (optional)
• a configuration EEPROM
• Magnetics (CP342, CP342-RIO)
• dual RJ45 connector (CP342)
• two SFP (small format pluggable) fiber optic connectors (CP342-SFP)
Other board features are:
• multiple server-to-client networking
• three speed operation: 10/100/1000 Mbit/s (the CP342-SFP supports only 1000 Mbits/s)
• auto-negotiation
• 64 kB Transmit and Receive buffers
• galvanic de-coupling
• optional rear IO capability (CP342-RIO plus CP-RIO3-42)
Содержание CP342
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