Comprehensive Product Summary – PCard‑E1041L‑I‑D4 Industrial PCI Express Serial Card

---

### 1. Product Overview

Product Name: PCard‑E1041L‑I‑D4
Model: PCard‑E1041L‑I‑D4
Series: PCard‑Ex041L Series (Industrial PCI Express Serial Communication Cards)
Article Number: PCard‑E1041L‑I‑D4
Manufacturer: ORing Industrial Networking Corp.
Version: V1.3

Product Description:
The PCard‑E1041L‑I‑D4 is an industrial‑grade, low‑profile PCI Express (PCIe) expansion card that provides four isolated RS‑232 serial communication ports. Designed for rugged and embedded computing environments, the card offers 3 kV isolation protection, ESD immunity up to 15 kV (air) and 8 kV (contact), and supports data rates up to 921.6 Kbps. It is engineered for high reliability in mission‑critical applications such as POS terminals, ATMs, kiosks, and industrial automation systems.

---

### 2. Key Features

- PCI Express x1 Interface: Fully compliant with PCI Express x1 specification, ensuring compatibility with modern PC and industrial computer platforms.
- Four Isolated RS‑232 Ports: Provides four independent RS‑232 serial channels through a single DB44 connector, each isolated to 3 kV for enhanced protection against ground loops and electrical surges.
- High Baud Rate Support: Configurable baud rates from 150 bps up to 921.6 Kbps, suitable for a wide range of serial communication devices.
- 128‑Byte FIFO Buffer: Each port includes a 128‑byte FIFO for efficient data handling and reduced CPU overhead during high‑speed communication.
- Hardware and Software Flow Control: Supports RTS/CTS (hardware) and Xon/Xoff (software) flow control for reliable data transmission.
- Low‑Profile Form Factor: Compact 67.2 × 136.8 mm design fits small‑form‑factor PCs and embedded systems.
- 3 kV Isolation Protection: Electrical isolation between ports and host system enhances safety and prevents damage from transient voltages.
- LED Indicators: Individual TX (green) and RX (amber) LEDs per port provide real‑time transmission and reception status.
- Wide Temperature Range: Operates reliably from ‑40 °C to +75 °C, suitable for harsh industrial environments.
- High ESD Immunity: Meets IEC 61000‑4‑2 standards with 15 kV air and 8 kV contact discharge protection.
- Energy Efficient: 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

| Parameter | Specification |
|----------------|-------------------|
| Bus Interface | PCI Express x1 compliant |
| Serial Ports | 4 × RS‑232 |
| Connector Type | 1 × DB44 female D‑sub |
| Baud Rate Range | 150 bps – 921.6 Kbps |
| Data Bits | 5, 6, 7, 8 |
| Parity Options | Odd, Even, None, Mark, Space |
| Stop Bits | 1, 1.5, 2 |
| Flow Control | RTS/CTS, Xon/Xoff |
| Isolation Protection | 3 kV (port‑to‑system) |
| ESD Protection | 15 kV (air), 8 kV (contact) |
| FIFO Buffer | 128 bytes per port |
| Power Requirement | 3.3 V DC @ 1,150 mA |
| Dimensions | 67.2 mm (H) × 136.8 mm (L) (2.65 × 5.39 in.) |
| Weight | Approx. 80 g (typical) |
| 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 |
| LED Indicators | TX (green), RX (amber) per port |
| Form Factor | Low‑profile PCIe card |
| Isolation Type | Optical/electrical isolation, 3 kV |
| Surge Protection | Not applicable (available on SI model only) |

---

### 4. Functionality

Operational Overview:
The PCard‑E1041L‑I‑D4 functions as a four‑channel RS‑232 communication interface for computers equipped with PCI Express slots. Each port operates independently, allowing simultaneous communication with multiple serial devices. The card’s onboard isolation circuitry protects both the host system and connected peripherals from voltage spikes, ground potential differences, and electromagnetic interference.

Use Cases and Applications:
- Point‑of‑Sale (POS) Systems: Connect barcode scanners, receipt printers, and cash drawers.
- Automated Teller Machines (ATMs): Interface with card readers, sensors, and control modules.
- Kiosk Terminals: Manage touchscreens, ticket dispensers, and payment modules.
- Industrial Automation: Communicate with PLCs, sensors, and serial‑based controllers.
- Embedded Systems: Integrate into compact industrial PCs requiring multiple serial ports.
- Testing and Measurement: Connect to serial instruments and data acquisition systems.

Compatibility:
- Compatible with standard PCI Express x1, x4, x8, and x16 slots.
- Supports major operating systems (Windows, Linux, and other OSs with standard serial drivers).
- Fully compatible with legacy RS‑232 peripherals supporting standard modem control signals (TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND).

---

### 5. Components & Accessories

Included Items (Standard Package):
- 1 × PCard‑E1041L‑I‑D4 PCIe card
- 1 × Quick Installation Guide (QIG)
- 1 × Standard profile bracket (for full‑height chassis)

Optional Accessories:
- Cable Model CY‑AS‑WL0‑012: DB44 male to 4 × DB9 male, 50 cm length.
- Converts the single DB44 connector into four standard DB9 connectors for easy device connection.
- Alternative Brackets: Low‑profile bracket (pre‑installed) and standard bracket (included).

Connector Pin Assignments (RS‑232 Mode):
| Pin | Signal |
|----------|------------|
| 1 | DCD |
| 2 | RXD |
| 3 | TXD |
| 4 | DTR |
| 5 | GND |
| 6 | DSR |
| 7 | RTS |
| 8 | CTS |

---

### 6. Installation & Setup

System Requirements:
- Available PCI Express x1 (or higher) slot.
- 3.3 V DC power supply from the PCIe bus.
- Compatible operating system with serial port driver support.

Installation Procedure:
1. Power off the host computer and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard‑E1041L‑I‑D4 firmly into the slot and secure it with the bracket screw.
4. Replace the system cover and reconnect power.
5. Boot the system; the card will be detected automatically by the OS.
6. Install any required drivers if prompted (depending on OS version).
7. Connect serial devices using the DB44‑to‑DB9 cable (optional).

Mounting Options:
- Low‑Profile Mounting: For compact PCs and embedded systems.
- Standard Bracket Mounting: For full‑height desktop or industrial chassis (included).

Configuration:
- Baud rate, parity, stop bits, and flow control can be configured via software or device manager.
- DIP switch configuration is not required for RS‑232 operation (used only for RS‑485 models).

Safety Considerations:
- Ensure adequate airflow in rack installations to maintain ambient temperature below 75 °C.
- Avoid mechanical stress or uneven loading when installed in multi‑unit racks.
- Prevent circuit overloading by verifying power supply ratings.

---

### 7. Performance & Capabilities

Data Throughput:
- Supports up to 921.6 Kbps per port, enabling high‑speed serial communication.
- 128‑byte FIFO buffers minimize data loss during burst transmission.

Isolation & Protection:
- 3 kV isolation between each serial port and the host system prevents electrical interference and ground loop issues.
- ESD protection up to 15 kV (air) and 8 kV (contact) ensures robust operation in electrically noisy environments.

Power Efficiency:
- Consumes only 1.15 A at 3.3 V DC, minimizing system power load.

Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Wide operating temperature range and humidity tolerance ensure stable performance under extreme conditions.

Limitations:
- RS‑232 only (no RS‑422/485 support on this model).
- Surge protection up to 6 kV is available only on the PCard‑E1041L‑SI‑D4 variant.

---

### 8. Standards & Compliance

Electromagnetic Compatibility (EMC):
- EN 55032/24 – Information technology equipment, EMC requirements.
- CISPR 22 / FCC Part 15B Class B – Limits for radiated and conducted emissions.

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 model only).
- IEC 61000‑4‑6 (CS): 150 kHz – 80 MHz, 3 V/m.
- IEC 61000‑4‑8 (PFMF): Power frequency magnetic field immunity.

Environmental Compliance:
- Designed for industrial temperature and humidity ranges.
- RoHS‑compliant construction (lead‑free components).

Industry Standards:
- PCI Express Base Specification compliance.
- RS‑232 standard (EIA/TIA‑232‑F) compliant.

---

### 9. Additional Information

Warranty:
- 5‑year limited hardware warranty provided by ORing Industrial Networking Corp.

Maintenance:
- No periodic maintenance required.
- Keep connectors clean and free from dust.
- Ensure proper grounding and shielding in installation environments.

Support & Service:
- Manufacturer: ORing Industrial Networking Corp.
- Website: [www.oringnet.com](http://www.oringnet.com)
- Email: support@oringnet.com
- Telephone: +886‑2‑2218‑1066
- Fax: +886‑2‑2218‑1014

Product Updates:
- Specifications subject to change without notice.
- Updated documentation and drivers available on the manufacturer’s website.

Ordering Information:
| Model | Description |
|------------|----------------|
| PCard‑E1041L‑I‑D4 | Industrial 4‑Port RS‑232 PCI Express Card, Low Profile, 3 kV Isolation |
| PCard‑E1041L‑SI‑D4 | Industrial 4‑Port RS‑232 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 |

---

### Summary

The PCard‑E1041L‑I‑D4 from ORing Industrial Networking Corp. is a robust, industrial‑grade PCI Express serial communication card engineered for reliability, safety, and performance in demanding environments. With four isolated RS‑232 ports, 3 kV isolation, and comprehensive ESD protection, it ensures stable communication between host systems and serial devices even under harsh electrical conditions. Its low‑profile design, wide temperature tolerance, and compliance with international EMC and safety standards make it ideal for embedded, industrial, and commercial applications requiring multiple serial interfaces in a compact form factor.

This model exemplifies ORing’s commitment to rugged excellence, offering long‑term durability, flexible configuration, and dependable operation across a wide range of industrial automation and communication scenarios.