The Abaco Systems PMC422-W01 is a high-performance eight-port serial controller housed in a single-width mezzanine module format. Designed to provide robust multi-channel serial communication for embedded computing architectures, this rugged PMC (PCI Mezzanine Card) board delivers reliable asynchronous and synchronous serial connectivity for defense, aerospace, and demanding industrial automation applications.
Technical Parameters & Datasheet Overview
- Product Model: PMC422-W01
- Product Range: Embedded Serial Communication Mezzanine Boards
- Number of Ports: 8 independent serial communication ports
- Bus Architecture: PCI Mezzanine Card (PMC) standard interface
- Protocol Support: Selectable RS-232, RS-422, or RS-485 serial standards depending on configuration
- Data Transfer Rates: High-speed baud rate generation per channel
- Approximate Dimensions: Standard single-width PMC module form factor (approx. 149 mm x 74 mm)
- Approximate Weight: Approx. 0.1 kg (0.22 lbs)
- Country of Origin: United States / Global manufacturing standards
- Operating Temperature Range: Standard industrial or rugged conduction-cooled options available
Applications
- Defense and Aerospace: Integrated into rugged mission computers and radar processing systems requiring multi-channel serial communications.
- Telecommunications Infrastructure: Used in carrier-grade communication switching and telemetry monitoring equipment.
- Industrial Embedded Systems: Deployed in supervisory control and data acquisition (SCADA) host computers for legacy serial device integration.
Usage Precautions
- Electrostatic Discharge (ESD): Always handle the PMC board with proper ESD wrist straps and anti-static mats to protect sensitive onboard transceiver chips.
- Carrier Board Compatibility: Ensure the host VME, VPX, or CompactPCI carrier board supplies correct voltage rails and proper mechanical standoff support for the PMC module.
- Front Panel / Rear I/O Routing: Verify whether your system routes serial signals through front-panel connectors or rear P4/J4 I/O lines to avoid wiring mismatches.
Parameter Settings & Configuration Methods
- Driver Installation: Configure operational parameters using operating system-specific device drivers (such as VxWorks, Linux, or Windows embedded environments).
- Jumper / Software Selectable Interfaces: Configure channel modes (RS-232/422/485) via software configuration utilities or onboard jumpers where applicable.
- Baud Rate & Parity Tuning: Establish communication parameters through terminal configuration software to match connected peripheral devices.
Manual / Automatic Mode Switching
- Driver-Managed Flow Control: Hardware and software flow control (RTS/CTS, XON/XOFF) are managed automatically by the onboard serial controller architecture.
- Dynamic Reconfiguration: Communication modes can be toggled via software commands issued from the host processor operating system during system initialization or runtime.
Emergency Trip Operations
- Host-Controlled Reset: In the event of a communication lockup or system fault, the host single-board computer can issue a hardware reset or power cycle to reinitialize the serial controller module.
- Fail-Safe Isolation: Internal transceiver protection guards against short-circuit conditions on individual serial lines, preventing damage to the main host carrier board.
Frequently Asked Questions (Q&A)
Q: What host bus types are compatible with the PMC422-W01? A: It plugs directly into standard PMC sites on VMEbus, CompactPCI, or VPX single-board computer carrier cards.
Q: Are all eight ports configurable independently? A: Yes, individual channels can generally be configured for distinct baud rates and protocol settings depending on the attached peripheral requirements.
Q: Does this module support rear I/O routing? A: Depending on the exact sub-part variant (-W01), signals can be routed to front-panel connectors or through the carrier board’s rear transition modules.
