EKF CN4-BELL CompactPCI Quad Ethernet Controller | 3U Network NIC

Description

Product Introduction & Engineering Value

When space inside an industrial CompactPCI subrack is at an absolute premium, running separate network cards for multiple communication lines creates severe backplane congestion. The EKF CN4-BELL quad Ethernet controller solves this challenge by packing four independent 10/100 Mbps Fast Ethernet channels into a single 3U Eurocard footprint.

Engineered with quad Intel controller architecture and dedicated PCI-to-PCI bridging, this module handles high-throughput data distribution without loading down the host system bus. Systems integrators rely on its reliable multi-port layout to establish redundant network segments across industrial automation, telecommunications, and test-bench setups.

Technical Specifications

• Form Factor: 3U Eurocard (100 x 160 mm²), 4HP EMI-shielded front panel with extraction lever
• Bus Architecture: 32-Bit, 33 MHz PCI bus master with on-board PCI-to-PCI bridge
• Controller Chipset: 4 x Intel 82559ER single-chip MAC and PHY Ethernet controllers
• Network Connectors: 4 x RJ45 twisted-pair ports with integrated Link/Activity and 100Mbps LEDs
• Data Transfer Rates: 10Base-T (10/20 Mbps) and 100Base-TX Fast Ethernet (100/200 Mbps) with auto-negotiation
• Power Consumption: +5V (0.05A max), +3.3V (0.85A max) via cPCI J1 backplane connector
• Supported Media: Category 5/6 UTP or STP cabling up to 105 meters max length
• Operating Temperature: 0°C to 70°C (Commercial Grade standard)

Field Application & The “Trench” Experience

During an on-site commissioning of a redundant telemetry monitoring skid, an engineering team faced sudden communication failures when a multi-card Ethernet setup in a CompactPCI crate suffered a backplane bridge fault. Space constraints prevented adding extra expansion slots. The lead technician pulled a verified surplus EKF CN4-BELL quad-port card from spares, slid it into a single 3U slot, re-mapped the four RJ45 connections to the plant switches, and restored multi-node network traffic within twenty minutes.

Specific Niche Application Scenarios:

• Industrial CompactPCI Data Acquisition Hubs: Routing isolated Ethernet streams from high-speed sensor gateways to supervisory PCs.
• Telecommunication Gateway Racks: Consolidating multiple redundant WAN/LAN control lines into a single backplane slot.
• Modular Test & Measurement Systems: Managing parallel instrument communication networks over compact 3U bus architectures.

CN4-BELL

CN4-BELL

Transparency SOP: QA & Testing

1. Backplane Pin Inspection: Examine gold-plated J1 connector fingers and front-panel RJ45 contacts under optical magnification for oxidation or wear.
2. Cold Power-Rail Resistance Check: Verify electrical isolation across +3.3V and +5V power pins using a calibrated digital multimeter.
3. PCI Bus Handshake Test: Mount the card onto a standard 3U cPCI test chassis to verify proper BIOS/OS bus enumeration and driver recognition of all four Intel chipsets.
4. Quad-Port Packet Loopback Test: Connect all four RJ45 ports to an active network traffic generator, running continuous 100Mbps data streams for 24 hours to confirm zero packet loss.
5. Thermal Chamber Burn-In: Operate the board inside an active 50°C environmental enclosure to screen out infant mortality components.

The Veteran’s Tech Trap Guide

⚠️ PRO TIP: Ensure your operating system network configuration correctly maps the four independent interfaces (typically eth0 through eth3 in Linux or local area connection indices in Windows) to their physical front-panel RJ45 labels to avoid routing data to the wrong subnet.

Warning: Never insert or extract this CompactPCI card while the rack power supply is energized. Hot-swapping non-hot-swap cPCI modules can induce transient voltage spikes across the 32-bit data bus, risking permanent damage to the motherboard bridge and adjacent cards.

Dynamic FAQ

1. Is this EKF CN4-BELL unit brand new or surplus? We supply certified New Surplus and fully bench-tested refurbished hardware, backed by complete historical traceability.
2. What warranty covers this Ethernet controller? Every unit is backed by our standard 12-month replacement warranty covering structural and operational performance.
3. Do I need special drivers to run the CN4-BELL in modern operating systems? The board uses standard Intel 82559ER controller architecture, which is natively supported or easily recognized by most mainstream operating systems including Linux and Windows.
4. Can this card be used in 6U CompactPCI chassis slots? Yes, with an appropriate 3U-to-6U adapter bracket or front panel expansion kit (such as the CR9-1-ADAPT), it can integrate into larger 6U subracks.
5. How are the four Ethernet channels physically terminated? The front panel provides four independent shielded RJ45 receptacles wired as standard host adapters (straight-through cabling to switches or hubs).