Comprehensive Product Summary – PCard-E1041L-S-D4 Industrial PCI Express Serial Card

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### 1. Product Overview

Product Name: PCard-E1041L-S-D4
Model: PCard-E1041L-S-D4
Series: PCard-Ex041L-D4 Series
Article Number: PCard-E1041L-S-D4
Manufacturer: ORing Industrial Networking Corp.
Version: V1.3

Product Description:
The ORing PCard-E1041L-S-D4 is an industrial-grade, low-profile PCI Express (PCIe) expansion card that provides four RS-232 serial communication ports through a single DB44 female connector. Designed for rugged and high-reliability environments, the card features 6 kV surge protection, 15 kV air and 8 kV contact ESD protection, and operates across a wide temperature range of -40°C to +75°C. It is optimized for industrial automation, POS, ATM, and kiosk applications requiring stable, high-speed serial communication.

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### 2. Key Features

- PCI Express x1 Compliant: Fully compatible with PCI Express x1 interface, ensuring high-speed data transfer and broad system compatibility.
- Four RS-232 Ports: Provides four independent RS-232 serial communication channels via a single DB44 connector.
- High Surge and ESD Protection:
- Surge protection up to 6 kV (signal lines, –S model only).
- ESD protection: 15 kV (air discharge), 8 kV (contact discharge).
- Wide Baud Rate Range: Supports baud rates from 150 bps to 921.6 Kbps, suitable for a wide variety of serial devices.
- 128-Byte FIFO Buffer: Ensures smooth data transmission and reception with minimal CPU overhead.
- Flow Control Support: Hardware (RTS/CTS) and software (Xon/Xoff) flow control supported for reliable communication.
- Low Profile Design: Compact form factor (67.2 x 104.8 mm) suitable for small form factor PCs and embedded systems.
- Full Modem Control Signals: Provides DCD, DSR, DTR, RTS, CTS, and DCD signals for full modem compatibility.
- LED Indicators:
- Green LED for TX (transmit activity).
- Amber LED for RX (receive activity).
- Industrial-Grade Reliability: Designed for continuous operation in harsh environments with extended temperature and humidity tolerance.
- Power Efficiency: Operates on 3.3 VDC with a current draw of 835 mA.
- Long-Term Warranty: Backed by a 5-year manufacturer warranty.

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### 3. Technical Specifications

Electrical & Interface:
- Bus Interface: PCI Express x1
- Serial Interface Type: RS-232
- Number of Ports: 4
- Connector Type: DB44 Female (1x)
- Baud Rate: 150 bps to 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 (hardware), Xon/Xoff (software)
- Signal Lines: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND

Physical Characteristics:
- Dimensions: 67.2 mm (H) x 104.8 mm (L)
- Form Factor: Low Profile PCIe card
- Weight: Not specified (lightweight industrial-grade PCB)
- Material: Industrial-grade PCB with metal bracket (standard and low-profile options)

Power Requirements:
- Input Voltage: 3.3 VDC
- Power Consumption: 835 mA @ 3.3 VDC

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% to 95% RH, non-condensing

Protection Ratings:
- ESD Protection: 15 kV (air), 8 kV (contact)
- Surge Protection: 6 kV (signal lines, –S model only)

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### 4. Functionality

Operational Overview:
The PCard-E1041L-S-D4 functions as a four-port RS-232 serial expansion card for systems equipped with PCI Express slots. It enables communication between a host computer and multiple serial devices such as barcode scanners, receipt printers, modems, industrial controllers, and sensors. Each port operates independently, supporting full-duplex communication and modem control signals.

Use Cases and Applications:
- Point-of-Sale (POS) Systems: Connects multiple serial peripherals such as receipt printers, cash drawers, and barcode readers.
- ATM and Banking Equipment: Provides reliable serial communication for transaction and control modules.
- Kiosk Terminals: Supports serial-based input/output devices in self-service kiosks.
- Industrial Automation: Interfaces with PLCs, sensors, and control systems requiring RS-232 connectivity.
- Embedded and Compact PCs: Ideal for small form factor systems due to its low-profile design.

Compatibility:
- Compatible with standard PCI Express x1, x4, x8, and x16 slots.
- Supports major operating systems (Windows, Linux, and other OSs supporting PCIe serial drivers).
- Fully compatible with RS-232 standard devices and communication protocols.

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### 5. Components & Accessories

Included in Package:
- 1 × PCard-E1041L-S-D4 PCIe Card
- 1 × Quick Installation Guide (QIG)
- 1 × Standard Profile Bracket (Low-profile bracket pre-installed)

Optional Accessories:
- Cable Model: CY-AS-WL0-012
- Description: DB44 Male to 4 × DB9 Male cable, 50 cm length
- Purpose: Breaks out the single DB44 connector into four individual DB9 connectors for device connections.

Connector Pin Assignments (RS-232 Mode):
| Pin | Signal | Description |
|-----|---------|-------------|
| 1 | DCD | Data Carrier Detect |
| 2 | RXD | Receive Data |
| 3 | TXD | Transmit Data |
| 4 | DTR | Data Terminal Ready |
| 5 | GND | Signal Ground |
| 6 | DSR | Data Set Ready |
| 7 | RTS | Request to Send |
| 8 | CTS | Clear to Send |

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### 6. Installation & Setup

System Requirements:
- Available PCI Express slot (x1 or higher)
- Compatible operating system with PCIe serial driver support
- PC or industrial computer chassis supporting low-profile or standard PCI brackets

Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Remove the system cover and locate an available PCIe slot.
3. Insert the PCard-E1041L-S-D4 firmly into the slot.
4. Secure the card using the provided bracket screw.
5. Replace the system cover and power on the computer.
6. Install the appropriate driver software if required by the operating system.
7. Connect serial devices using the DB44-to-DB9 breakout cable.

Mounting Options:
- Low Profile: Pre-installed for compact systems.
- Standard Profile Bracket: Included for full-height chassis installation.

Configuration:
- No external power supply required (powered via PCIe bus).
- DIP switch configuration not applicable for RS-232 model (used in RS-422/485 variants).

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### 7. Performance & Capabilities

Data Transmission:
- Supports baud rates from 150 bps to 921.6 Kbps, enabling both low-speed and high-speed serial communication.
- 128-byte FIFO buffer per port ensures efficient data handling and minimizes CPU load.

Signal Integrity & Protection:
- 6 kV surge protection (signal lines) ensures resilience against transient voltage spikes.
- ESD protection up to 15 kV (air) and 8 kV (contact) prevents electrostatic discharge damage.

Reliability:
- Designed for continuous operation in industrial environments.
- Wide temperature tolerance ensures stable performance in both indoor and outdoor installations.

Limitations:
- RS-232 only (no RS-422/485 support on this model).
- Requires optional breakout cable for individual DB9 connections.

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### 8. Standards & Compliance

Electromagnetic Compatibility (EMC):
- EN 55032/24 – EMC emission and immunity standards for industrial environments.
- CISPR 22 / FCC Part 15B Class B – EMI compliance for commercial and residential use.

Electromagnetic Susceptibility (EMS):
- IEC 61000-4-2 (ESD): Contact: 8 kV; Air: 15 kV
- IEC 61000-4-3 (RS): 80 MHz to 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 (–S model only)
- IEC 61000-4-6 (CS): 150 kHz to 80 MHz, 3 V/m
- IEC 61000-4-8 (PFMF): Power frequency magnetic field immunity

Safety & Environmental Considerations:
- Designed for installation in controlled industrial environments.
- Must ensure adequate airflow and mechanical stability when mounted in rack systems.
- Complies with RoHS environmental standards (lead-free manufacturing).

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### 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.
- Avoid exposure to excessive moisture or corrosive environments.

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

Product Lifecycle & Updates:
- Firmware and driver updates available through ORing’s official support portal.
- Product specifications subject to change without notice (refer to latest datasheet for updates).

Ordering Information:
| Model | Description |
|--------|--------------|
| PCard-E1041L-S-D4 | Industrial 4-Port RS-232 PCI Express Card, Low Profile, 6 kV Surge Protection |
| PCard-E1041L-D4 | Industrial 4-Port RS-232 PCI Express Card, Low Profile, No Surge Protection |

Optional Cable:
| Model | Description |
|--------|--------------|
| CY-AS-WL0-012 | DB44 Male to 4 × DB9 Male, 50 cm cable |

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### Summary

The ORing PCard-E1041L-S-D4 is a robust, industrial-grade PCI Express serial communication card engineered for demanding applications requiring multiple RS-232 ports in a compact form factor. Its combination of 6 kV surge protection, 15 kV ESD immunity, and wide operating temperature range makes it ideal for mission-critical environments such as industrial automation, retail systems, and embedded computing. The card’s low-profile design, 128-byte FIFO buffer, and broad baud rate support ensure reliable, high-performance serial communication across diverse applications. With a 5-year warranty and compliance with international EMC and safety standards, the PCard-E1041L-S-D4 delivers long-term reliability and performance for industrial and commercial deployments.