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- PCI Express x1 Compliant: Fully compatible with PCI Express x1 interface, ensuring broad compatibility with modern industrial PCs and embedded systems.
- Multi‑Protocol Serial Support: Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation.
- High Isolation Protection: 3 kV galvanic isolation between ports and system bus to protect against ground loops and electrical surges.
- Enhanced ESD Protection: IEC 61000‑4‑2 compliant with 15 kV air and 8 kV contact discharge protection.
- Wide Baud Rate Range: Supports baud rates from 50 bps to 921.6 Kbps, suitable for a wide range of serial devices.
- 128‑Byte FIFO Buffer: Reduces CPU overhead and ensures stable data transmission at high speeds.
- Flow Control Options: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control for flexible communication management.
- Low‑Profile Design: Compact 67.2 × 136.8 mm PCB suitable for small‑form‑factor PCs and embedded systems.
- LED Indicators: Individual TX (green) and RX (amber) LEDs for each port provide clear visual status of data transmission and reception.
- Industrial Temperature Range: Operates reliably from ‑40 °C to +75 °C, with storage capability up to +85 °C.
- Power Efficiency: Operates on 3.3 V DC with a typical current draw of 1,150 mA.
- Long‑Term Reliability: Backed by a 5‑year manufacturer warranty.
- Multi‑Protocol Serial Support: Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation.
- High Isolation Protection: 3 kV galvanic isolation between ports and system bus to protect against ground loops and electrical surges.
- Enhanced ESD Protection: IEC 61000‑4‑2 compliant with 15 kV air and 8 kV contact discharge protection.
- Wide Baud Rate Range: Supports baud rates from 50 bps to 921.6 Kbps, suitable for a wide range of serial devices.
- 128‑Byte FIFO Buffer: Reduces CPU overhead and ensures stable data transmission at high speeds.
- Flow Control Options: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control for flexible communication management.
- Low‑Profile Design: Compact 67.2 × 136.8 mm PCB suitable for small‑form‑factor PCs and embedded systems.
- LED Indicators: Individual TX (green) and RX (amber) LEDs for each port provide clear visual status of data transmission and reception.
- Industrial Temperature Range: Operates reliably from ‑40 °C to +75 °C, with storage capability up to +85 °C.
- Power Efficiency: Operates on 3.3 V DC with a typical current draw of 1,150 mA.
- Long‑Term Reliability: Backed by a 5‑year manufacturer warranty.
Comprehensive Product Summary – PCard‑E3041L‑I‑D4 Industrial PCI Express Serial Communication Card
### 1. Product Overview
Product Name: PCard‑E3041L‑I‑D4
Article Number: PCard‑E3041L‑I‑D4
Series: PCard‑Ex041L‑I‑D4 Series (Industrial PCI Express Serial Communication Cards)
Manufacturer: ORing Industrial Networking Corp.
Product Type: PCI Express (PCIe) low‑profile serial communication card with isolation
Model Version: V1.3
Product Category: Industrial communication interface card for RS‑232/422/485 serial connectivity
The PCard‑E3041L‑I‑D4 is a rugged, industrial‑grade PCI Express x1 expansion card designed to provide four isolated serial communication ports supporting RS‑232, RS‑422, and RS‑485 interfaces. It is part of ORing’s PCard‑Ex041L series, engineered for high reliability in harsh environments such as factory automation, POS, ATM, and kiosk systems. The card features 3 kV isolation protection, ESD protection up to 15 kV (air) and 8 kV (contact), and supports data rates up to 921.6 Kbps.
### 2. Key Features
- PCI Express x1 Compliant: Fully compatible with PCI Express x1 interface, ensuring broad compatibility with modern industrial PCs and embedded systems.
- Multi‑Protocol Serial Support: Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation.
- High Isolation Protection: 3 kV galvanic isolation between ports and system bus to protect against ground loops and electrical surges.
- Enhanced ESD Protection: IEC 61000‑4‑2 compliant with 15 kV air and 8 kV contact discharge protection.
- Wide Baud Rate Range: Supports baud rates from 50 bps to 921.6 Kbps, suitable for a wide range of serial devices.
- 128‑Byte FIFO Buffer: Reduces CPU overhead and ensures stable data transmission at high speeds.
- Flow Control Options: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control for flexible communication management.
- Low‑Profile Design: Compact 67.2 × 136.8 mm PCB suitable for small‑form‑factor PCs and embedded systems.
- LED Indicators: Individual TX (green) and RX (amber) LEDs for each port provide clear visual status of data transmission and reception.
- Industrial Temperature Range: Operates reliably from ‑40 °C to +75 °C, with storage capability up to +85 °C.
- Power Efficiency: Operates on 3.3 V DC with a typical current draw of 1,150 mA.
- Long‑Term Reliability: Backed by a 5‑year manufacturer warranty.
### 3. Technical Specifications
Electrical & Interface
- Bus Interface: PCI Express x1
- Serial Ports: 4 independent ports
- Connector Type: DB44 female (1 × DB44 F)
- Supported Modes: RS‑232, RS‑422, 2‑wire RS‑485, 4‑wire RS‑485
- Baud Rate: 50 bps – 921.6 Kbps
- Data Bits: 5, 6, 7, 8
- Parity: Odd, even, none, mark, space
- Stop Bits: 1, 1.5, 2
- Flow Control: RTS/CTS, Xon/Xoff
- Isolation: 3 kV (port‑to‑system)
- ESD Protection: 15 kV (air), 8 kV (contact)
- Power Requirement: 3.3 V DC ± 5%, 1,150 mA typical
Physical Characteristics
- Dimensions: 67.2 mm (H) × 136.8 mm (L) (2.65 × 5.39 in.)
- Form Factor: Low‑profile PCIe card
- Weight: Approx. < 100 g (typical for low‑profile PCIe cards)
- Material: Multi‑layer PCB with industrial‑grade components
Environmental Conditions
- Operating Temperature: ‑40 °C to +75 °C (‑40 °F to +167 °F)
- Storage Temperature: ‑40 °C to +85 °C (‑40 °F to +185 °F)
- Operating Humidity: 5 % – 95 % RH, non‑condensing
### 4. Functionality
The PCard‑E3041L‑I‑D4 functions as a high‑performance serial communication interface for industrial PCs. Installed in a PCI Express slot, it provides four isolated serial ports that can be configured individually for RS‑232, RS‑422, or RS‑485 communication.
Operation Modes:
- RS‑232: Supports standard signals (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND) for legacy serial devices.
- RS‑422: Differential signaling with TX± and RX± pairs for long‑distance, noise‑immune communication.
- RS‑485 (2‑wire/4‑wire): Supports half‑duplex (2‑wire) and full‑duplex (4‑wire) modes for multi‑drop networks.
Use Cases & Applications:
- Industrial Automation: PLC communication, sensor data acquisition, and control systems.
- Retail & Banking: POS terminals, ATM machines, and kiosk systems requiring multiple serial interfaces.
- Transportation & Energy: SCADA systems, data loggers, and monitoring equipment.
- Embedded Systems: Compact industrial PCs and embedded controllers needing isolated serial connectivity.
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCI Express serial drivers.
- Works with a wide range of serial peripherals such as barcode scanners, modems, printers, and industrial controllers.
### 5. Components & Accessories
Included in Package:
- 1 × PCard‑E3041L‑I‑D4 PCIe card
- 1 × Quick Installation Guide (QIG)
- 1 × Standard profile bracket (for full‑height installation)
Optional Accessories:
- Cable Model CY‑AS‑WL0‑012: DB44 Male → 4 × DB9 Male, 50 cm length (DB44M to DB9Mx4).
This cable allows connection of up to four serial devices using standard DB9 connectors.
Connectors & Pin Assignments (DB44 Female):
| Pin | RS‑232 | RS‑422 | 4‑Wire RS‑485 | 2‑Wire RS‑485 |
|-----|---------|---------|----------------|----------------|
| 1 | DCD | TX‑ | TX‑ | – |
| 2 | RXD | TX+ | TX+ | – |
| 3 | TXD | RX+ | RX+ | D+ |
| 4 | DTR | RX‑ | RX‑ | D‑ |
| 5 | GND | GND | GND | GND |
| 6 | DSR | – | – | – |
| 7 | RTS | – | – | – |
| 8 | CTS | – | – | – |
LED Indicators:
- TX (Green): Port transmitting data
- RX (Amber): Port receiving data
### 6. Installation & Setup
System Requirements:
- Available PCI Express x1 slot (compatible with x4/x8/x16 slots)
- 3.3 V DC power supply from motherboard
- Supported operating system with appropriate driver
Installation Steps:
1. Power off the host PC and disconnect it from the power source.
2. Remove the chassis cover and locate an available PCIe slot.
3. Insert the PCard‑E3041L‑I‑D4 firmly into the slot and secure it with the bracket screw.
4. If required, replace the low‑profile bracket with the included standard bracket.
5. Reassemble the chassis and power on the system.
6. Install the necessary drivers from ORing’s support website or OS repository.
7. Configure port parameters (mode, baud rate, parity, etc.) via software or DIP switch settings.
RS‑485 DIP Switch Configuration:
- PIN 1/PIN 2: Pull‑up/Pull‑down resistor enable (Hi/Lo)
- PIN 3: Terminator resistor enable
Mounting Options:
- Standard PCIe slot mounting
- Compatible with both low‑profile and full‑height PC enclosures
Safety Considerations:
- Ensure adequate airflow in rack or enclosure installations.
- Avoid mechanical stress or uneven loading when mounting in multi‑unit racks.
- Verify that the ambient temperature does not exceed +75 °C.
- Prevent circuit overloading by checking system power ratings.
### 7. Performance & Capabilities
Data Transmission:
- Supports asynchronous serial communication with baud rates up to 921.6 Kbps.
- 128‑byte FIFO buffer per port ensures smooth data flow and minimizes CPU load.
- Full‑duplex operation in RS‑232 and RS‑422 modes; half‑duplex or full‑duplex in RS‑485.
Isolation & Protection:
- 3 kV isolation between serial ports and system bus prevents ground loop interference.
- ESD protection up to 15 kV (air) and 8 kV (contact) ensures resilience against electrostatic discharge.
- Surge protection compliant with IEC 61000‑4‑5 (signal line 6 kV for SI models; 3 kV isolation for I models).
Power Efficiency:
- Low‑power design consuming only 1.15 A at 3.3 V DC.
- No external power adapter required; powered directly from PCIe bus.
Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Wide temperature and humidity tolerance for field deployment.
Limitations:
- Does not include 6 kV surge protection (available only on “‑SI” models).
- Requires optional cable for DB9 device connectivity.
### 8. Standards & Compliance
Electromagnetic Compatibility (EMC):
- EN 55032/24 – Information technology equipment, EMC requirements
- CISPR 22 – Radiated and conducted emissions
- FCC Part 15B Class B – U.S. EMI compliance
Electromagnetic Susceptibility (EMS):
- IEC 61000‑4‑2 (ESD): Contact 8 kV, Air 15 kV
- IEC 61000‑4‑3 (RS): 80 MHz – 1 GHz, 3 V/m
- IEC 61000‑4‑4 (EFT): Power 1 kV, Signal 0.5 kV
- IEC 61000‑4‑5 (Surge): Power 2 kV, Signal 6 kV (for SI models)
- IEC 61000‑4‑6 (CS): 150 kHz – 80 MHz, 3 V/m
- IEC 61000‑4‑8 (PFMF): Power frequency magnetic field immunity
Environmental & Safety Compliance:
- Designed for industrial temperature range operation (‑40 °C to +75 °C).
- RoHS‑compliant manufacturing process (lead‑free).
Industry Standards:
- PCI Express Base Specification v1.1 and above
- RS‑232 (TIA/EIA‑232‑F), RS‑422 (TIA/EIA‑422‑B), RS‑485 (TIA/EIA‑485‑A) compliant
### 9. Additional Information
Warranty:
- 5‑year limited hardware warranty from ORing Industrial Networking Corp.
Support & Maintenance:
- Technical support available via email (support@oringnet.com) and phone (+886‑2‑2218‑1066).
- Firmware and driver updates downloadable from [www.oringnet.com](http://www.oringnet.com).
- Quick Installation Guide and user manuals provided in printed and digital formats.
Maintenance Recommendations:
- Periodically inspect connectors and cables for wear or corrosion.
- Ensure proper grounding and shielding in electrically noisy environments.
- Keep firmware and drivers updated to maintain compatibility and performance.
Ordering Information:
| Model | Description |
|--------|--------------|
| PCard‑E3041L‑I‑D4 | Industrial 4‑Port RS‑232/422/485 PCI Express Card, Low Profile, 3 kV Isolation |
| PCard‑E3041L‑SI‑D4 | Industrial 4‑Port RS‑232/422/485 PCI Express Card, Low Profile, 6 kV Surge Protection & 3 kV Isolation |
Optional Cable:
| Model | Description |
|--------|--------------|
| CY‑AS‑WL0‑012 | DB44 Male → 4 × DB9 Male, 50 cm cable (DB44M to DB9Mx4) |
Manufacturer Contact:
ORing Industrial Networking Corp.
Tel: +886‑2‑2218‑1066 Fax: +886‑2‑2218‑1014
Website: [www.oringnet.com](http://www.oringnet.com)
Email: support@oringnet.com
### Summary
The ORing PCard‑E3041L‑I‑D4 is a robust, low‑profile PCI Express serial communication card engineered for industrial and embedded applications requiring multiple isolated serial interfaces. With four configurable RS‑232/422/485 ports, 3 kV isolation, and comprehensive ESD protection, it ensures reliable data transmission in electrically harsh environments. Its wide operating temperature range, compact design, and compliance with international EMC and safety standards make it ideal for mission‑critical systems such as automation controllers, kiosks, and industrial PCs.
Backed by a 5‑year warranty and supported by ORing’s global technical service, the PCard‑E3041L‑I‑D4 delivers long‑term reliability, flexibility, and performance for modern industrial communication infrastructures.
### 1. Product Overview
Product Name: PCard‑E3041L‑I‑D4
Article Number: PCard‑E3041L‑I‑D4
Series: PCard‑Ex041L‑I‑D4 Series (Industrial PCI Express Serial Communication Cards)
Manufacturer: ORing Industrial Networking Corp.
Product Type: PCI Express (PCIe) low‑profile serial communication card with isolation
Model Version: V1.3
Product Category: Industrial communication interface card for RS‑232/422/485 serial connectivity
The PCard‑E3041L‑I‑D4 is a rugged, industrial‑grade PCI Express x1 expansion card designed to provide four isolated serial communication ports supporting RS‑232, RS‑422, and RS‑485 interfaces. It is part of ORing’s PCard‑Ex041L series, engineered for high reliability in harsh environments such as factory automation, POS, ATM, and kiosk systems. The card features 3 kV isolation protection, ESD protection up to 15 kV (air) and 8 kV (contact), and supports data rates up to 921.6 Kbps.
### 2. Key Features
- PCI Express x1 Compliant: Fully compatible with PCI Express x1 interface, ensuring broad compatibility with modern industrial PCs and embedded systems.
- Multi‑Protocol Serial Support: Provides four independent serial ports configurable for RS‑232, RS‑422, or RS‑485 (2‑wire or 4‑wire) operation.
- High Isolation Protection: 3 kV galvanic isolation between ports and system bus to protect against ground loops and electrical surges.
- Enhanced ESD Protection: IEC 61000‑4‑2 compliant with 15 kV air and 8 kV contact discharge protection.
- Wide Baud Rate Range: Supports baud rates from 50 bps to 921.6 Kbps, suitable for a wide range of serial devices.
- 128‑Byte FIFO Buffer: Reduces CPU overhead and ensures stable data transmission at high speeds.
- Flow Control Options: Supports both hardware (RTS/CTS) and software (Xon/Xoff) flow control for flexible communication management.
- Low‑Profile Design: Compact 67.2 × 136.8 mm PCB suitable for small‑form‑factor PCs and embedded systems.
- LED Indicators: Individual TX (green) and RX (amber) LEDs for each port provide clear visual status of data transmission and reception.
- Industrial Temperature Range: Operates reliably from ‑40 °C to +75 °C, with storage capability up to +85 °C.
- Power Efficiency: Operates on 3.3 V DC with a typical current draw of 1,150 mA.
- Long‑Term Reliability: Backed by a 5‑year manufacturer warranty.
### 3. Technical Specifications
Electrical & Interface
- Bus Interface: PCI Express x1
- Serial Ports: 4 independent ports
- Connector Type: DB44 female (1 × DB44 F)
- Supported Modes: RS‑232, RS‑422, 2‑wire RS‑485, 4‑wire RS‑485
- Baud Rate: 50 bps – 921.6 Kbps
- Data Bits: 5, 6, 7, 8
- Parity: Odd, even, none, mark, space
- Stop Bits: 1, 1.5, 2
- Flow Control: RTS/CTS, Xon/Xoff
- Isolation: 3 kV (port‑to‑system)
- ESD Protection: 15 kV (air), 8 kV (contact)
- Power Requirement: 3.3 V DC ± 5%, 1,150 mA typical
Physical Characteristics
- Dimensions: 67.2 mm (H) × 136.8 mm (L) (2.65 × 5.39 in.)
- Form Factor: Low‑profile PCIe card
- Weight: Approx. < 100 g (typical for low‑profile PCIe cards)
- Material: Multi‑layer PCB with industrial‑grade components
Environmental Conditions
- Operating Temperature: ‑40 °C to +75 °C (‑40 °F to +167 °F)
- Storage Temperature: ‑40 °C to +85 °C (‑40 °F to +185 °F)
- Operating Humidity: 5 % – 95 % RH, non‑condensing
### 4. Functionality
The PCard‑E3041L‑I‑D4 functions as a high‑performance serial communication interface for industrial PCs. Installed in a PCI Express slot, it provides four isolated serial ports that can be configured individually for RS‑232, RS‑422, or RS‑485 communication.
Operation Modes:
- RS‑232: Supports standard signals (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND) for legacy serial devices.
- RS‑422: Differential signaling with TX± and RX± pairs for long‑distance, noise‑immune communication.
- RS‑485 (2‑wire/4‑wire): Supports half‑duplex (2‑wire) and full‑duplex (4‑wire) modes for multi‑drop networks.
Use Cases & Applications:
- Industrial Automation: PLC communication, sensor data acquisition, and control systems.
- Retail & Banking: POS terminals, ATM machines, and kiosk systems requiring multiple serial interfaces.
- Transportation & Energy: SCADA systems, data loggers, and monitoring equipment.
- Embedded Systems: Compact industrial PCs and embedded controllers needing isolated serial connectivity.
Compatibility:
- Compatible with Windows, Linux, and other major operating systems supporting PCI Express serial drivers.
- Works with a wide range of serial peripherals such as barcode scanners, modems, printers, and industrial controllers.
### 5. Components & Accessories
Included in Package:
- 1 × PCard‑E3041L‑I‑D4 PCIe card
- 1 × Quick Installation Guide (QIG)
- 1 × Standard profile bracket (for full‑height installation)
Optional Accessories:
- Cable Model CY‑AS‑WL0‑012: DB44 Male → 4 × DB9 Male, 50 cm length (DB44M to DB9Mx4).
This cable allows connection of up to four serial devices using standard DB9 connectors.
Connectors & Pin Assignments (DB44 Female):
| Pin | RS‑232 | RS‑422 | 4‑Wire RS‑485 | 2‑Wire RS‑485 |
|-----|---------|---------|----------------|----------------|
| 1 | DCD | TX‑ | TX‑ | – |
| 2 | RXD | TX+ | TX+ | – |
| 3 | TXD | RX+ | RX+ | D+ |
| 4 | DTR | RX‑ | RX‑ | D‑ |
| 5 | GND | GND | GND | GND |
| 6 | DSR | – | – | – |
| 7 | RTS | – | – | – |
| 8 | CTS | – | – | – |
LED Indicators:
- TX (Green): Port transmitting data
- RX (Amber): Port receiving data
### 6. Installation & Setup
System Requirements:
- Available PCI Express x1 slot (compatible with x4/x8/x16 slots)
- 3.3 V DC power supply from motherboard
- Supported operating system with appropriate driver
Installation Steps:
1. Power off the host PC and disconnect it from the power source.
2. Remove the chassis cover and locate an available PCIe slot.
3. Insert the PCard‑E3041L‑I‑D4 firmly into the slot and secure it with the bracket screw.
4. If required, replace the low‑profile bracket with the included standard bracket.
5. Reassemble the chassis and power on the system.
6. Install the necessary drivers from ORing’s support website or OS repository.
7. Configure port parameters (mode, baud rate, parity, etc.) via software or DIP switch settings.
RS‑485 DIP Switch Configuration:
- PIN 1/PIN 2: Pull‑up/Pull‑down resistor enable (Hi/Lo)
- PIN 3: Terminator resistor enable
Mounting Options:
- Standard PCIe slot mounting
- Compatible with both low‑profile and full‑height PC enclosures
Safety Considerations:
- Ensure adequate airflow in rack or enclosure installations.
- Avoid mechanical stress or uneven loading when mounting in multi‑unit racks.
- Verify that the ambient temperature does not exceed +75 °C.
- Prevent circuit overloading by checking system power ratings.
### 7. Performance & Capabilities
Data Transmission:
- Supports asynchronous serial communication with baud rates up to 921.6 Kbps.
- 128‑byte FIFO buffer per port ensures smooth data flow and minimizes CPU load.
- Full‑duplex operation in RS‑232 and RS‑422 modes; half‑duplex or full‑duplex in RS‑485.
Isolation & Protection:
- 3 kV isolation between serial ports and system bus prevents ground loop interference.
- ESD protection up to 15 kV (air) and 8 kV (contact) ensures resilience against electrostatic discharge.
- Surge protection compliant with IEC 61000‑4‑5 (signal line 6 kV for SI models; 3 kV isolation for I models).
Power Efficiency:
- Low‑power design consuming only 1.15 A at 3.3 V DC.
- No external power adapter required; powered directly from PCIe bus.
Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Wide temperature and humidity tolerance for field deployment.
Limitations:
- Does not include 6 kV surge protection (available only on “‑SI” models).
- Requires optional cable for DB9 device connectivity.
### 8. Standards & Compliance
Electromagnetic Compatibility (EMC):
- EN 55032/24 – Information technology equipment, EMC requirements
- CISPR 22 – Radiated and conducted emissions
- FCC Part 15B Class B – U.S. EMI compliance
Electromagnetic Susceptibility (EMS):
- IEC 61000‑4‑2 (ESD): Contact 8 kV, Air 15 kV
- IEC 61000‑4‑3 (RS): 80 MHz – 1 GHz, 3 V/m
- IEC 61000‑4‑4 (EFT): Power 1 kV, Signal 0.5 kV
- IEC 61000‑4‑5 (Surge): Power 2 kV, Signal 6 kV (for SI models)
- IEC 61000‑4‑6 (CS): 150 kHz – 80 MHz, 3 V/m
- IEC 61000‑4‑8 (PFMF): Power frequency magnetic field immunity
Environmental & Safety Compliance:
- Designed for industrial temperature range operation (‑40 °C to +75 °C).
- RoHS‑compliant manufacturing process (lead‑free).
Industry Standards:
- PCI Express Base Specification v1.1 and above
- RS‑232 (TIA/EIA‑232‑F), RS‑422 (TIA/EIA‑422‑B), RS‑485 (TIA/EIA‑485‑A) compliant
### 9. Additional Information
Warranty:
- 5‑year limited hardware warranty from ORing Industrial Networking Corp.
Support & Maintenance:
- Technical support available via email (support@oringnet.com) and phone (+886‑2‑2218‑1066).
- Firmware and driver updates downloadable from [www.oringnet.com](http://www.oringnet.com).
- Quick Installation Guide and user manuals provided in printed and digital formats.
Maintenance Recommendations:
- Periodically inspect connectors and cables for wear or corrosion.
- Ensure proper grounding and shielding in electrically noisy environments.
- Keep firmware and drivers updated to maintain compatibility and performance.
Ordering Information:
| Model | Description |
|--------|--------------|
| PCard‑E3041L‑I‑D4 | Industrial 4‑Port RS‑232/422/485 PCI Express Card, Low Profile, 3 kV Isolation |
| PCard‑E3041L‑SI‑D4 | Industrial 4‑Port RS‑232/422/485 PCI Express Card, Low Profile, 6 kV Surge Protection & 3 kV Isolation |
Optional Cable:
| Model | Description |
|--------|--------------|
| CY‑AS‑WL0‑012 | DB44 Male → 4 × DB9 Male, 50 cm cable (DB44M to DB9Mx4) |
Manufacturer Contact:
ORing Industrial Networking Corp.
Tel: +886‑2‑2218‑1066 Fax: +886‑2‑2218‑1014
Website: [www.oringnet.com](http://www.oringnet.com)
Email: support@oringnet.com
### Summary
The ORing PCard‑E3041L‑I‑D4 is a robust, low‑profile PCI Express serial communication card engineered for industrial and embedded applications requiring multiple isolated serial interfaces. With four configurable RS‑232/422/485 ports, 3 kV isolation, and comprehensive ESD protection, it ensures reliable data transmission in electrically harsh environments. Its wide operating temperature range, compact design, and compliance with international EMC and safety standards make it ideal for mission‑critical systems such as automation controllers, kiosks, and industrial PCs.
Backed by a 5‑year warranty and supported by ORing’s global technical service, the PCard‑E3041L‑I‑D4 delivers long‑term reliability, flexibility, and performance for modern industrial communication infrastructures.
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