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- Four Isolated GbE LAN Ports:
Each port operates independently, providing electrical isolation to enhance system reliability and prevent cross-interference between channels.
- Four Independent PSE Channels:
Each channel can supply power individually, supporting both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.
- IEEE 802.3af Compliance:
Delivers up to 15.4W at 48V per PoE port, suitable for standard PoE devices such as IP cameras, VoIP phones, and wireless access points.
- IEEE 802.3at Compliance:
Supports up to 25.5W at 54V per PoE+ port, enabling connection of higher-power devices such as PTZ cameras, industrial sensors, and network controllers.
- Flexible Power Input:
Accepts 12V–24V DC input via a 6-pin PCIe-ATX connector, allowing integration into a wide range of system power configurations.
- Total Power Output:
Provides a total power budget of 75W, distributed across four PoE/PoE+ ports.
- Enhanced Protection:
Complies with EN61000-4-5 2kV surge protection, safeguarding connected devices and the host system from transient voltage spikes and electrical surges.
- High-Quality Connector Interface:
Features 30µ (micron) gold-plated PCIe fingers for improved conductivity, reduced contact resistance, and extended durability.
- Warranty:
Backed by a 3-year manufacturer warranty, ensuring long-term reliability and support.
- Operating Temperature Options:
Available in two variants:
- ESPL-G4P1-C1: Standard temperature range (0°C to +70°C)
- ESPL-G4P1-W1: Wide temperature range (-40°C to +85°C)
Each port operates independently, providing electrical isolation to enhance system reliability and prevent cross-interference between channels.
- Four Independent PSE Channels:
Each channel can supply power individually, supporting both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.
- IEEE 802.3af Compliance:
Delivers up to 15.4W at 48V per PoE port, suitable for standard PoE devices such as IP cameras, VoIP phones, and wireless access points.
- IEEE 802.3at Compliance:
Supports up to 25.5W at 54V per PoE+ port, enabling connection of higher-power devices such as PTZ cameras, industrial sensors, and network controllers.
- Flexible Power Input:
Accepts 12V–24V DC input via a 6-pin PCIe-ATX connector, allowing integration into a wide range of system power configurations.
- Total Power Output:
Provides a total power budget of 75W, distributed across four PoE/PoE+ ports.
- Enhanced Protection:
Complies with EN61000-4-5 2kV surge protection, safeguarding connected devices and the host system from transient voltage spikes and electrical surges.
- High-Quality Connector Interface:
Features 30µ (micron) gold-plated PCIe fingers for improved conductivity, reduced contact resistance, and extended durability.
- Warranty:
Backed by a 3-year manufacturer warranty, ensuring long-term reliability and support.
- Operating Temperature Options:
Available in two variants:
- ESPL-G4P1-C1: Standard temperature range (0°C to +70°C)
- ESPL-G4P1-W1: Wide temperature range (-40°C to +85°C)
Comprehensive Product Summary – ESPL-G4P1-C1-A71 PCIe to Four Isolated PoE/PoE+ Module
### 1. Product Overview
Product Name: PCIe to Four Isolated PoE/PoE+ Module
Model: ESPL-G4P1-C1-A71
Series: ESPL-G4P1 Series
Article Number: ESPL-G4P1-C1-A71
Manufacturer: Innodisk Corporation
Product Description:
The Innodisk ESPL-G4P1-C1-A71 is a high-performance PCI Express (PCIe) expansion module designed to provide four isolated Gigabit Ethernet (GbE) LAN ports with Power over Ethernet (PoE) and Power over Ethernet Plus (PoE+) capabilities. It integrates four independent Power Sourcing Equipment (PSE) channels, enabling simultaneous power and data transmission over standard Ethernet cabling. The module is engineered for industrial, embedded, and networking applications requiring reliable, isolated PoE connectivity and robust power delivery.
### 2. Key Features
- Four Isolated GbE LAN Ports:
Each port operates independently, providing electrical isolation to enhance system reliability and prevent cross-interference between channels.
- Four Independent PSE Channels:
Each channel can supply power individually, supporting both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.
- IEEE 802.3af Compliance:
Delivers up to 15.4W at 48V per PoE port, suitable for standard PoE devices such as IP cameras, VoIP phones, and wireless access points.
- IEEE 802.3at Compliance:
Supports up to 25.5W at 54V per PoE+ port, enabling connection of higher-power devices such as PTZ cameras, industrial sensors, and network controllers.
- Flexible Power Input:
Accepts 12V–24V DC input via a 6-pin PCIe-ATX connector, allowing integration into a wide range of system power configurations.
- Total Power Output:
Provides a total power budget of 75W, distributed across four PoE/PoE+ ports.
- Enhanced Protection:
Complies with EN61000-4-5 2kV surge protection, safeguarding connected devices and the host system from transient voltage spikes and electrical surges.
- High-Quality Connector Interface:
Features 30µ (micron) gold-plated PCIe fingers for improved conductivity, reduced contact resistance, and extended durability.
- Warranty:
Backed by a 3-year manufacturer warranty, ensuring long-term reliability and support.
- Operating Temperature Options:
Available in two variants:
- ESPL-G4P1-C1: Standard temperature range (0°C to +70°C)
- ESPL-G4P1-W1: Wide temperature range (-40°C to +85°C)
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Standard PCI Express |
| Input Interface | PCI Express 2.1 x4 |
| Output Interface | PoE/PoE+ x4 |
| Output Connector | RJ45 x4 |
| Total Power (TDP) | 75W |
| Power Input | 12V–24V DC via 6-pin PCIe-ATX |
| PoE Standards Supported | IEEE 802.3af (15.4W @ 48V), IEEE 802.3at (25.5W @ 54V) |
| Surge Protection | EN61000-4-5 2kV |
| Dimensions (W x L x H) | 169.55 mm x 111.15 mm x 19.6 mm |
| Operating Temperature (Standard) | 0°C to +70°C |
| Operating Temperature (Wide Temp) | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000Hz |
| Shock Resistance | 50G @ 0.5ms |
| Connector Finish | 30µ gold finger |
| Warranty | 3 years |
| Driver Support | Windows XP (32-bit), Windows 7/8/8.1/10 (32/64-bit), Linux kernel 2.4, 2.6.x, 3.x |
| Limitations | Not recommended for VMware ESXi due to high latency |
### 4. Functionality
The ESPL-G4P1-C1-A71 functions as a PCIe expansion card that adds four isolated Gigabit Ethernet ports with integrated PoE/PoE+ power sourcing capability to a host system. When installed in a compatible PCIe slot, the module interfaces directly with the system bus, enabling high-speed data transfer and power delivery over standard Ethernet cables.
Each of the four RJ45 ports can independently supply power to connected devices, eliminating the need for separate power adapters. The module automatically detects the power requirements of connected devices and adjusts output according to IEEE 802.3af or 802.3at standards.
Typical Use Cases:
- Industrial automation systems requiring multiple powered network devices
- Surveillance systems with IP cameras powered via PoE
- Embedded computing platforms for IoT gateways or edge servers
- Network appliances and routers requiring isolated Ethernet interfaces
- Laboratory or testing environments needing controlled PoE power delivery
Compatibility:
The module supports a wide range of operating systems, including multiple versions of Windows and Linux. It is not recommended for VMware ESXi environments due to latency considerations.
### 5. Components & Accessories
Included Items:
- ESPL-G4P1-C1-A71 PCIe module
- 6-pin PCIe-ATX power connector cable (for 12V–24V input)
- Quick installation guide
- Driver download instructions (available via MyInnodisk website)
Optional Accessories:
- Extended temperature variant (ESPL-G4P1-W1)
- Additional RJ45 network cables
- PCIe riser or bracket kits for custom chassis integration
Connectors:
- PCIe Interface: Standard PCI Express x4 edge connector
- Power Connector: 6-pin PCIe-ATX input
- Network Ports: Four RJ45 connectors supporting PoE/PoE+ output
### 6. Installation & Setup
System Requirements:
- Available PCI Express x4 slot (compatible with x8/x16 slots)
- System power supply capable of providing 12V–24V DC input
- Supported operating system (Windows XP/7/8/8.1/10 or Linux kernel 2.4/2.6/3.x)
Installation Steps:
1. Power off the host system and disconnect it from AC power.
2. Insert the ESPL-G4P1-C1-A71 module into an available PCIe x4 slot.
3. Connect the 6-pin PCIe-ATX power cable to the module.
4. Secure the card using the chassis bracket screw.
5. Power on the system and install the appropriate driver from the MyInnodisk website.
6. Verify that all four Ethernet ports are recognized by the operating system.
Mounting Options:
- Standard PCIe slot mounting in desktop or industrial chassis
- Compatible with rackmount and embedded system enclosures
Configuration:
- Software-based configuration via operating system network settings
- PoE power management handled automatically by onboard PSE controller
### 7. Performance & Capabilities
Data Throughput:
Each port supports Gigabit Ethernet speeds (10/100/1000 Mbps), ensuring high-bandwidth data transfer for demanding network applications.
Power Delivery:
- Up to 15.4W per port (IEEE 802.3af)
- Up to 25.5W per port (IEEE 802.3at)
- Total combined power output up to 75W
Efficiency:
The module’s power conversion circuitry is optimized for minimal loss, ensuring efficient power delivery and stable voltage output across all ports.
Isolation:
Electrical isolation between ports enhances system safety and prevents ground loops, making it suitable for industrial and mission-critical environments.
Limitations:
While the module performs optimally in Windows and Linux environments, it is not recommended for VMware ESXi due to potential latency issues inherent to virtualized network stacks.
### 8. Standards & Compliance
Electrical and Safety Standards:
- IEEE 802.3af (PoE) – Power over Ethernet standard delivering up to 15.4W per port
- IEEE 802.3at (PoE+) – Enhanced PoE standard delivering up to 25.5W per port
- EN61000-4-5 2kV Surge Protection – Ensures resilience against transient voltage surges
Environmental and Mechanical Compliance:
- Designed to withstand industrial vibration (5G @ 7–2000Hz) and shock (50G @ 0.5ms)
- Wide operating temperature range available for harsh environments
Regulatory Compliance:
- Manufactured in accordance with international quality and safety standards
- RoHS-compliant materials and environmentally responsible design
Industry Standards:
- PCI Express 2.1 specification compliance
- Ethernet IEEE 802.3 standards compliance
### 9. Additional Information
Warranty:
3-year limited warranty covering manufacturing defects and performance reliability under normal operating conditions.
Support & Maintenance:
- Technical support available through Innodisk’s global offices (Taiwan, USA, Europe, Japan, China).
- Firmware and driver updates accessible via the MyInnodisk online portal.
- Maintenance involves periodic inspection of connectors and ensuring adequate airflow for thermal management.
Product Availability:
- Standard temperature model (ESPL-G4P1-C1-A71)
- Wide temperature model (ESPL-G4P1-W1-A71) for extended environmental tolerance
Manufacturer Contact Information:
Innodisk Corporation Headquarters (Taiwan)
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-21673689
Revision Date: March 9, 2021
Copyright: © 2021 Innodisk Corporation. All rights reserved.
Specifications are subject to change without prior notice.
### Summary
The Innodisk ESPL-G4P1-C1-A71 is a robust, industrial-grade PCIe expansion module that delivers four isolated Gigabit Ethernet ports with full PoE and PoE+ functionality. Designed for high-reliability applications, it supports up to 75W total power output, complies with IEEE 802.3af/at standards, and offers advanced surge protection and wide temperature operation. Its combination of electrical isolation, flexible power input, and multi-OS compatibility makes it ideal for embedded systems, industrial automation, and network infrastructure deployments requiring dependable PoE connectivity.
With its durable construction, 30µ gold-plated connectors, and 3-year warranty, the ESPL-G4P1-C1-A71 exemplifies Innodisk’s commitment to quality, performance, and long-term reliability in industrial networking solutions.
### 1. Product Overview
Product Name: PCIe to Four Isolated PoE/PoE+ Module
Model: ESPL-G4P1-C1-A71
Series: ESPL-G4P1 Series
Article Number: ESPL-G4P1-C1-A71
Manufacturer: Innodisk Corporation
Product Description:
The Innodisk ESPL-G4P1-C1-A71 is a high-performance PCI Express (PCIe) expansion module designed to provide four isolated Gigabit Ethernet (GbE) LAN ports with Power over Ethernet (PoE) and Power over Ethernet Plus (PoE+) capabilities. It integrates four independent Power Sourcing Equipment (PSE) channels, enabling simultaneous power and data transmission over standard Ethernet cabling. The module is engineered for industrial, embedded, and networking applications requiring reliable, isolated PoE connectivity and robust power delivery.
### 2. Key Features
- Four Isolated GbE LAN Ports:
Each port operates independently, providing electrical isolation to enhance system reliability and prevent cross-interference between channels.
- Four Independent PSE Channels:
Each channel can supply power individually, supporting both IEEE 802.3af (PoE) and IEEE 802.3at (PoE+) standards.
- IEEE 802.3af Compliance:
Delivers up to 15.4W at 48V per PoE port, suitable for standard PoE devices such as IP cameras, VoIP phones, and wireless access points.
- IEEE 802.3at Compliance:
Supports up to 25.5W at 54V per PoE+ port, enabling connection of higher-power devices such as PTZ cameras, industrial sensors, and network controllers.
- Flexible Power Input:
Accepts 12V–24V DC input via a 6-pin PCIe-ATX connector, allowing integration into a wide range of system power configurations.
- Total Power Output:
Provides a total power budget of 75W, distributed across four PoE/PoE+ ports.
- Enhanced Protection:
Complies with EN61000-4-5 2kV surge protection, safeguarding connected devices and the host system from transient voltage spikes and electrical surges.
- High-Quality Connector Interface:
Features 30µ (micron) gold-plated PCIe fingers for improved conductivity, reduced contact resistance, and extended durability.
- Warranty:
Backed by a 3-year manufacturer warranty, ensuring long-term reliability and support.
- Operating Temperature Options:
Available in two variants:
- ESPL-G4P1-C1: Standard temperature range (0°C to +70°C)
- ESPL-G4P1-W1: Wide temperature range (-40°C to +85°C)
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Standard PCI Express |
| Input Interface | PCI Express 2.1 x4 |
| Output Interface | PoE/PoE+ x4 |
| Output Connector | RJ45 x4 |
| Total Power (TDP) | 75W |
| Power Input | 12V–24V DC via 6-pin PCIe-ATX |
| PoE Standards Supported | IEEE 802.3af (15.4W @ 48V), IEEE 802.3at (25.5W @ 54V) |
| Surge Protection | EN61000-4-5 2kV |
| Dimensions (W x L x H) | 169.55 mm x 111.15 mm x 19.6 mm |
| Operating Temperature (Standard) | 0°C to +70°C |
| Operating Temperature (Wide Temp) | -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000Hz |
| Shock Resistance | 50G @ 0.5ms |
| Connector Finish | 30µ gold finger |
| Warranty | 3 years |
| Driver Support | Windows XP (32-bit), Windows 7/8/8.1/10 (32/64-bit), Linux kernel 2.4, 2.6.x, 3.x |
| Limitations | Not recommended for VMware ESXi due to high latency |
### 4. Functionality
The ESPL-G4P1-C1-A71 functions as a PCIe expansion card that adds four isolated Gigabit Ethernet ports with integrated PoE/PoE+ power sourcing capability to a host system. When installed in a compatible PCIe slot, the module interfaces directly with the system bus, enabling high-speed data transfer and power delivery over standard Ethernet cables.
Each of the four RJ45 ports can independently supply power to connected devices, eliminating the need for separate power adapters. The module automatically detects the power requirements of connected devices and adjusts output according to IEEE 802.3af or 802.3at standards.
Typical Use Cases:
- Industrial automation systems requiring multiple powered network devices
- Surveillance systems with IP cameras powered via PoE
- Embedded computing platforms for IoT gateways or edge servers
- Network appliances and routers requiring isolated Ethernet interfaces
- Laboratory or testing environments needing controlled PoE power delivery
Compatibility:
The module supports a wide range of operating systems, including multiple versions of Windows and Linux. It is not recommended for VMware ESXi environments due to latency considerations.
### 5. Components & Accessories
Included Items:
- ESPL-G4P1-C1-A71 PCIe module
- 6-pin PCIe-ATX power connector cable (for 12V–24V input)
- Quick installation guide
- Driver download instructions (available via MyInnodisk website)
Optional Accessories:
- Extended temperature variant (ESPL-G4P1-W1)
- Additional RJ45 network cables
- PCIe riser or bracket kits for custom chassis integration
Connectors:
- PCIe Interface: Standard PCI Express x4 edge connector
- Power Connector: 6-pin PCIe-ATX input
- Network Ports: Four RJ45 connectors supporting PoE/PoE+ output
### 6. Installation & Setup
System Requirements:
- Available PCI Express x4 slot (compatible with x8/x16 slots)
- System power supply capable of providing 12V–24V DC input
- Supported operating system (Windows XP/7/8/8.1/10 or Linux kernel 2.4/2.6/3.x)
Installation Steps:
1. Power off the host system and disconnect it from AC power.
2. Insert the ESPL-G4P1-C1-A71 module into an available PCIe x4 slot.
3. Connect the 6-pin PCIe-ATX power cable to the module.
4. Secure the card using the chassis bracket screw.
5. Power on the system and install the appropriate driver from the MyInnodisk website.
6. Verify that all four Ethernet ports are recognized by the operating system.
Mounting Options:
- Standard PCIe slot mounting in desktop or industrial chassis
- Compatible with rackmount and embedded system enclosures
Configuration:
- Software-based configuration via operating system network settings
- PoE power management handled automatically by onboard PSE controller
### 7. Performance & Capabilities
Data Throughput:
Each port supports Gigabit Ethernet speeds (10/100/1000 Mbps), ensuring high-bandwidth data transfer for demanding network applications.
Power Delivery:
- Up to 15.4W per port (IEEE 802.3af)
- Up to 25.5W per port (IEEE 802.3at)
- Total combined power output up to 75W
Efficiency:
The module’s power conversion circuitry is optimized for minimal loss, ensuring efficient power delivery and stable voltage output across all ports.
Isolation:
Electrical isolation between ports enhances system safety and prevents ground loops, making it suitable for industrial and mission-critical environments.
Limitations:
While the module performs optimally in Windows and Linux environments, it is not recommended for VMware ESXi due to potential latency issues inherent to virtualized network stacks.
### 8. Standards & Compliance
Electrical and Safety Standards:
- IEEE 802.3af (PoE) – Power over Ethernet standard delivering up to 15.4W per port
- IEEE 802.3at (PoE+) – Enhanced PoE standard delivering up to 25.5W per port
- EN61000-4-5 2kV Surge Protection – Ensures resilience against transient voltage surges
Environmental and Mechanical Compliance:
- Designed to withstand industrial vibration (5G @ 7–2000Hz) and shock (50G @ 0.5ms)
- Wide operating temperature range available for harsh environments
Regulatory Compliance:
- Manufactured in accordance with international quality and safety standards
- RoHS-compliant materials and environmentally responsible design
Industry Standards:
- PCI Express 2.1 specification compliance
- Ethernet IEEE 802.3 standards compliance
### 9. Additional Information
Warranty:
3-year limited warranty covering manufacturing defects and performance reliability under normal operating conditions.
Support & Maintenance:
- Technical support available through Innodisk’s global offices (Taiwan, USA, Europe, Japan, China).
- Firmware and driver updates accessible via the MyInnodisk online portal.
- Maintenance involves periodic inspection of connectors and ensuring adequate airflow for thermal management.
Product Availability:
- Standard temperature model (ESPL-G4P1-C1-A71)
- Wide temperature model (ESPL-G4P1-W1-A71) for extended environmental tolerance
Manufacturer Contact Information:
Innodisk Corporation Headquarters (Taiwan)
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-3-6667-0161
- China: sales_cn@innodisk.com | +86-755-21673689
Revision Date: March 9, 2021
Copyright: © 2021 Innodisk Corporation. All rights reserved.
Specifications are subject to change without prior notice.
### Summary
The Innodisk ESPL-G4P1-C1-A71 is a robust, industrial-grade PCIe expansion module that delivers four isolated Gigabit Ethernet ports with full PoE and PoE+ functionality. Designed for high-reliability applications, it supports up to 75W total power output, complies with IEEE 802.3af/at standards, and offers advanced surge protection and wide temperature operation. Its combination of electrical isolation, flexible power input, and multi-OS compatibility makes it ideal for embedded systems, industrial automation, and network infrastructure deployments requiring dependable PoE connectivity.
With its durable construction, 30µ gold-plated connectors, and 3-year warranty, the ESPL-G4P1-C1-A71 exemplifies Innodisk’s commitment to quality, performance, and long-term reliability in industrial networking solutions.
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