Comprehensive Product Summary: ADLINK cBP‑3208 CompactPCI 8‑Slot 32‑bit Backplane (ATX)

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### 1. Product Overview

Product Name: cBP‑3208
Article Number: cBP‑3208
Series: cBP‑3200 Series (3U CompactPCI 32‑bit Backplane with Rear I/O Option)
Manufacturer: ADLINK Technology Inc.
Product Type: 3U CompactPCI 8‑slot 32‑bit backplane, ATX power interface
Form Factor: 3U height, 9‑slot width (36HP), 10‑layer PCB
System Slot Orientation: Right‑hand side system slot
Manufacturer Website: [www.adlinktech.com](http://www.adlinktech.com)
Manufacturer Contact: service@adlink.com.tw | Tel: +886‑2‑82265877

The ADLINK cBP‑3208 is a high‑performance 3U CompactPCI backplane designed for industrial and embedded computing platforms. It provides eight CompactPCI slots (one system slot and seven peripheral slots) supporting 32‑bit PCI signaling. The backplane is engineered for integration into ADLINK’s cPCIS‑1000 and cPCIS‑2000 series chassis and is fully compliant with the PICMG 2.0 R2.1 CompactPCI specification.

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### 2. Key Features

- CompactPCI Compliance: Fully compliant with PICMG 2.0 R2.1 CompactPCI standard.
- Bus Architecture: 32‑bit PCI bus on P1 connector; optional P2 connector for rear I/O (R‑version).
- Slot Configuration: 8 total slots — 1 system slot and 7 peripheral slots.
- Rear I/O Support: Optional rear I/O capability on models cBP‑3208R, cBP‑3206R, and cBP‑3204R.
- Power Interface: Dual ATX‑style DC power connectors (CN1, CN2) and screw terminal block for flexible power input.
- Selectable I/O Voltage: V(I/O) selectable between +3.3 V and +5 V (factory default +5 V).
- High‑Density PCB: 10‑layer printed circuit board for precise impedance control and signal integrity.
- Mechanical Design: Standard 3U CompactPCI form factor, 9‑slot width (36HP), system slot positioned on the right.
- Power Management Signals: Integrated connectors for power fail (FAL#), derating (DEG#), inhibit (INH#), and reset (RST#).
- Compatibility: Designed for use with ADLINK cPCIS‑1000/2000 chassis and compatible CompactPCI CPU and I/O boards.
- Construction: Industrial‑grade materials ensuring mechanical rigidity and EMI/EMC compliance.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Form Factor | 3U CompactPCI |
| Bus Width | 32‑bit PCI bus |
| Number of Slots | 8 (1 system + 7 peripheral) |
| PCB Layers | 10‑layer impedance‑controlled PCB |
| Dimensions | 133.35 mm (H) × 182.0 mm (W) × 3.2 mm (T) |
| Slot Pitch | 4HP per slot (standard CompactPCI spacing) |
| System Slot Position | Right‑hand side |
| Power Connectors | Two ATX‑type 20‑pin connectors (CN1, CN2) and screw terminal block |
| Selectable I/O Voltage | +3.3 V or +5 V (default +5 V) |
| Rear I/O Option | Available on cBP‑3208R variant |
| Operating Temperature | 0 °C to 70 °C (typical system environment) |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | < 95 % @ 40 °C, non‑condensing |
| Compliance | PICMG 2.0 R2.1, CE, FCC Class A |
| Weight | Approx. 0.5 kg (bare board) |
| Material | FR‑4 industrial‑grade PCB substrate |

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### 4. Functionality

The cBP‑3208 serves as the electrical and mechanical backbone of a 3U CompactPCI system. It interconnects the system controller board (CPU) and up to seven peripheral I/O boards through a 32‑bit PCI bus. The backplane distributes power, clock, and control signals across all slots and provides optional rear I/O connectivity for advanced configurations.

Use Cases and Applications:
- Industrial automation controllers
- Embedded computing platforms
- Data acquisition and control systems
- Telecommunications and networking equipment
- Test and measurement instrumentation
- Military and transportation embedded systems

Compatibility:
- Fully compatible with ADLINK cPCIS‑1000 and cPCIS‑2000 chassis.
- Supports CompactPCI CPU boards, I/O modules, and peripheral cards adhering to PICMG 2.0 R2.1.
- Compatible with ATX or CompactPCI power supplies (31‑pin or 47‑pin via adapter backplanes).

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### 5. Components & Accessories

Included Interfaces:
- P1 Connectors: Standard 32‑bit CompactPCI bus interface for all slots.
- P2 Connectors: Installed only on rear I/O versions (cBP‑3208R).
- CN1/CN2: Dual ATX‑style 20‑pin DC power input connectors.
- Screw Terminal Block: Alternate DC power input for +3.3 V, +5 V, +12 V, −12 V, and GND.
- Jumpers and Headers:
- JP8: INH# (power inhibit)
- JP9: RST# (system reset)
- JP10: FAL# (power fail input)
- JP7: +12 V sense jumper

Optional Accessories:
- cPCI‑PSF: Power supply frame for PS2‑size ATX PSU.
- cPCI‑DBF: Drive bay frame for HDD/FDD/CD‑ROM integration.
- cPCI‑SP3E: 3U 4HP slot‑panel with EMC gasket for unused slots.
- cPS‑150R / cPS‑175 Series: Redundant CompactPCI power supplies.
- APS‑925A: 280 W ATX power supply for PS2 mounting.

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### 6. Installation & Setup

Requirements:
- 3U CompactPCI chassis (e.g., ADLINK cPCIS‑1000 or cPCIS‑2000).
- Compatible CompactPCI CPU and peripheral boards.
- ATX or CompactPCI‑type power supply.

Mounting Options:
- The backplane mounts directly to the chassis card cage using standard CompactPCI guide rails and screws.
- System slot orientation is fixed on the right‑hand side for ADLINK chassis compatibility.

Configuration:
- Select V(I/O) voltage via onboard jumper (default +5 V).
- Connect ATX power cables to CN1 and CN2 or use the screw terminal block for direct DC input.
- Optional rear I/O connectors (P2) can be installed for cBP‑3208R configurations.
- JP8 (INH#) can be wired to a front‑panel power switch for ATX PSU control.
- JP9 (RST#) allows system reset signal routing.
- JP10 (FAL#) connects to PSU fault monitoring circuits.
- JP7 (+12 V sense) enables voltage sense feedback when supported by the PSU.

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### 7. Performance & Capabilities

Bus Performance:
- 32‑bit PCI bus supporting up to 33 MHz operation per PICMG 2.0 R2.1.
- Supports seven bus‑mastering peripheral slots plus one system slot.
- Controlled impedance traces ensure signal integrity across all slots.

Power Distribution:
- Supports +3.3 V, +5 V, +12 V, and −12 V rails.
- V(I/O) selectable for compatibility with both 3.3 V and 5 V PCI signaling environments.
- Integrated sense lines (+5 V and +12 V) for voltage compensation.
- Power management signals (INH#, FAL#, DEG#, RST#) facilitate system monitoring and control.

Electrical Characteristics:
- Designed for low‑noise, high‑reliability operation in industrial environments.
- 10‑layer PCB minimizes crosstalk and maintains impedance control.
- Supports hot‑swap functionality when used with compliant CompactPCI boards.

Limitations:
- 32‑bit bus width (no 64‑bit extension).
- Rear I/O available only on “R” variants.
- Requires external cooling via chassis fans (no onboard fans).

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### 8. Standards & Compliance

Industry Standards:
- PICMG 2.0 R2.1: CompactPCI electrical and mechanical specification.
- PICMG 2.11: Power interface compatibility (via optional PSU backplanes).
- ATX Power Interface: Standard 20‑pin connector pinout for CN1/CN2.

Regulatory Compliance:
- EMI/EMC: Meets EN55022 Class A and FCC Class A requirements.
- Safety: Designed to meet UL 1950, CSA C22.2 No. 950, and EN 60950 standards when integrated with certified chassis and PSU.
- Environmental: RoHS‑compliant materials; operational temperature 0 °C – 70 °C.

Quality Assurance:
- Manufactured under ADLINK’s ISO‑certified quality management system.
- 100 % functional and electrical testing prior to shipment.

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### 9. Additional Information

Warranty:
ADLINK provides a one‑year limited warranty from the confirmed date of purchase. The warranty covers defects in materials and workmanship under normal use. It excludes damage from misuse, modification, or operation beyond specified limits.

Support & Service:
- Technical Support: nuipc@adlink.com.tw
- Sales & Service: service@adlink.com.tw
- Phone: +886‑2‑82265877
- Fax: +886‑2‑82265717
- Address: 9F, No. 166, Jian Yi Road, Chungho City, Taipei 235, Taiwan, R.O.C.

Maintenance:
- Periodically inspect connectors for dust or oxidation.
- Ensure proper airflow within the chassis to maintain thermal stability.
- Use only ADLINK‑approved power supplies and accessories.

Firmware/Hardware Updates:
The cBP‑3208 is a passive backplane; no firmware updates are required. Hardware revisions may be released to improve signal integrity or mechanical compatibility.

Integration Notes:
- Designed for seamless integration with ADLINK cPCIS‑2000A/B chassis (4U height) and cPCIS‑1000 (3U height).
- Compatible with ADLINK cPCI‑series CPU boards and peripheral modules.
- Can be combined with redundant power backplanes (cBP‑3052E or cBP‑3062) for high‑availability systems.

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### Summary

The ADLINK cBP‑3208 is a robust, industrial‑grade 3U CompactPCI 8‑slot 32‑bit backplane engineered for high‑reliability embedded and industrial computing applications. It provides a stable, impedance‑controlled PCI bus infrastructure supporting one system controller and up to seven peripheral modules. With selectable I/O voltage, dual ATX power connectors, and optional rear I/O capability, the cBP‑3208 offers exceptional flexibility for system integrators. Its 10‑layer PCB design ensures superior signal integrity, while compliance with PICMG 2.0 R2.1 guarantees interoperability with a wide range of CompactPCI components.

When integrated into ADLINK’s cPCIS‑1000 or cPCIS‑2000 chassis, the cBP‑3208 forms the foundation of a modular, scalable, and serviceable CompactPCI platform suitable for mission‑critical industrial, telecom, and automation environments.

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End of Product Summary – ADLINK cBP‑3208 CompactPCI 8‑Slot 32‑bit Backplane (ATX)