CompactPCI Backplanes
Description
CompactPCI (cPCI) backplanes are industrial-grade versions of the PCI bus, designed to provide a robust and reliable platform for connecting various electronic components and subsystems. They are electrically compatible with the standard PCI protocol and utilize Eurocard mechanics, featuring a shielded pin-and-socket connector with 2 mm pin spacing. CompactPCI backplanes support up to eight slots per bus segment, allowing for greater expansion compared to conventional PCI implementations.
Working Principle
CompactPCI backplanes operate by providing a passive platform that connects multiple electronic components through a shared bus system. This setup allows for high-speed signal transmission and power distribution across the connected devices. The backplane's design ensures mechanical support and stability, enabling seamless communication between components. The use of a passive backplane, as opposed to a motherboard architecture, enhances reliability and ease of repair. CompactPCI backplanes are particularly useful due to their ability to support both 32- and 64-bit implementations at varying clock frequencies, accommodating a wide range of industrial applications.
Applications
CompactPCI backplanes are widely used in telecommunications, where they support a standard telecom bus for communication between cards in a chassis rack. They are also employed in network applications requiring redundant chassis and board configurations for high availability. Additionally, CompactPCI backplanes are utilized in industrial control systems, military equipment, and server environments, where their high-density routing and modular design facilitate complex control and monitoring functions.
Advantages over other Backplanes
One of the primary advantages of CompactPCI backplanes is their higher reliability, achieved through features like hot swapping, which allows components to be replaced or upgraded without interrupting system operation. They also offer compatibility with existing PCI software, enabling seamless integration with mass-market systems. The open, industry-accepted specification of CompactPCI eliminates proprietary constraints, making it a versatile choice for various applications.
Limitations
CompactPCI backplanes may face limitations in terms of scalability, as the number of slots per bus segment is capped at eight. Additionally, while they offer high reliability, the initial setup and configuration can be complex, requiring specialized knowledge and expertise. The cost of implementing a CompactPCI system may also be higher compared to simpler backplane solutions, particularly in applications that do not require the advanced features offered by CompactPCI.
Considerations
When considering CompactPCI backplanes, it is important to evaluate the initial costs, which can be significant due to the need for specialized components and configuration. Operating expenses may vary depending on the specific application and environment. CompactPCI backplanes are known for their durability and reliability, making them a cost-effective choice in the long run, especially in demanding industrial and military applications. Maintenance and replacement costs are minimized through features like hot swapping and modular design, which facilitate easy repair and upgrades. However, the complexity of the system may require ongoing technical support to ensure optimal performance.
from DigiKey
Backplane 3U 4 Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Form Factor: 3U x 160mm (A-Size)
- Board Function: Passive Backplane
from DigiKey
Backplane 6U 4 Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U
- Board Function: Passive Backplane
from DigiKey
Backplane 3U 5 Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Form Factor: 3U x 160mm (A-Size)
- Board Function: Passive Backplane
from DigiKey
Backplane 6U 5 Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U
- Board Function: Passive Backplane
from DigiKey
Backplane 8 Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Board Function: Passive Backplane
from DigiKey
Backplane Channel CompactPCI ® Connector Spacing [See More]
- Bus / Standard: CompactPCI
- Board Function: Passive Backplane
from DigiKey
BACKPLANE 1U 20 CHAN COMPACTPCI [See More]
- Bus / Standard: CompactPCI
- Board Function: Passive Backplane
from DigiKey
BACKPLANE 12 CHANNEL COMPACTPCI [See More]
- Bus / Standard: CompactPCI
- Board Function: Passive Backplane
from ELMA Electronic Inc.
Elma Electronic's EasyPlug CompactPCI backplane line has 47-pin pluggable connectors in either a vertical (3U or 6U) or horizontal (9U) orientation. This reduces mean-time-to-repair (MTTR) and time-consuming cabling costs. Learn more about Elma CPCI Backplanes. Features. Conforms to PICMG basic... [See More]
- Bus / Standard: CompactPCI
- Form Factor: 3U x 160mm (A-Size); 9U x 340 (D-Size); 6U
- Board Function: Passive Backplane
- CompactPCI / PXI: 2 to 16
from Vector Electronics & Technology, Inc.
Conform to PICMG specification 2.0, 6U, 8-slot [See More]
- Bus / Standard: CompactPCI
- Form Factor: For 6U cards
- Board Function: Passive Backplane
- Power Connectors: 3.3 volts; POWER TAPS/M-N-L
from SIE Computing Solutions, Inc.
Two to 21 Slots Custom. 6U or 7U Format. 64 Bit Operation. 5 V/3.3 V Supported. CT Bussing (ECTF H.110). Hot Swap Compatible. ATX Power Supply Connectors. Bridgeable with Center CPU. IPMI Supported [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U x 340 (C-Size) (optional feature); 7U
- Board Function: Active Backplane
- Power Connectors: ATX; 3.3 volts
from ELMA Electronic Inc.
The EasyCable cPCI backplanes have power nuts along the right side of the backplane for easy cabling access. They come in both 3U and 6U heights. The 6U version standard comes with an ATX connector in the rear and has options for H.110 for Computer Telephony. Learn more about Elma CPCI Backplanes. [See More]
- Bus / Standard: CompactPCI
- Form Factor: 3U x 160mm (A-Size); 6U
- Board Function: Passive Backplane
- CompactPCI / PXI: 3 to 8
from SIE Computing Solutions, Inc.
Eight and 21 Slots Standard. Two to 21 Slot Custom Configurations Available. 6U or 7U Format. 64-bit Operation. 5 V/3.3 V Supported. ATX Power Supply Connectors or Power Blocks. CT Bussing (ECTF H.110). Hot Swap Compatible. ATX Power Supply Connectors. Type AB rear shrouds on RP3, RP5 on Node Slots. [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U x 340 (C-Size) (optional feature); 7U
- Board Function: Active Backplane
- Power Connectors: ATX; 3.3 volts
from SIE Computing Solutions, Inc.
Eight and 21-Slots Standard. Two to 21 Slots Custom. PICMG 2.9 IPMB to all Slots. Hot Swap Compliance. 5V or 3.3V Switchable Signaling. The Eight-Slot Backplane Features One Systems Slot, Five Node Slots, and Two Fabric Slots. The 21-Slot Backplane Features Two System Slots, 17 Node Slots, and Two... [See More]
- Bus / Standard: CompactPCI
- Power Connectors: 3.3 volts
- Board Function: Active Backplane
- ISA: 0
from SIE Computing Solutions, Inc.
Two to Eight Slots Standard. Two to 21 Slots Custom. 6U or 7U Format. 64 Bit Operation. 5 V/3.3 V Supported. CT Bussing (ECTF H.110). Hot Swap Compatible. ATX Power Supply Connectors. Bridgeable with Center CPU. IPMI Supported [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U x 340 (C-Size) (optional feature); 7U
- Board Function: Active Backplane
- Power Connectors: ATX; 3.3 volts
from SIE Computing Solutions, Inc.
Two to Eight Slots Standard. Two to 21 Slots Custom. 6U or 7U Format. 64 Bit Operation. 5 V/3.3 V Supported. CT Bussing (ECTF H.110). Hot Swap Compatible. ATX Power Supply Connectors. Bridgeable with Center CPU. IPMI Supported [See More]
- Bus / Standard: CompactPCI
- Form Factor: 6U x 340 (C-Size) (optional feature); 7U
- Board Function: Active Backplane
- Power Connectors: ATX; 3.3 volts