Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
DSC PC4401 MAXSYS Data Interface Module - 4-Port RS-232 Serial
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Product Overview
The DSC PC4401 MAXSYS Data Interface Module delivers reliable serial connectivity for industrial and commercial system integration. This interface module provides four dedicated RS-232 serial ports, enabling seamless communication between MAXSYS control systems and peripheral devices.
Designed for professional installation environments, the module supports multiple operational modes including bi-directional RS-232 communication, PC-Link isolation, and printer module functionality. Its robust construction ensures stable performance in demanding applications where consistent data transmission is critical.
Technical Overview
The PC4401 interface module features four independent RS-232 serial ports that maintain signal integrity across extended cable runs. Each port supports standard serial communication protocols, making it compatible with a wide range of industrial equipment, printers, and legacy systems.
The module's flexible architecture allows it to operate in three distinct modes: as a standard bi-directional RS-232 interface for data exchange, as a PC-Link isolator to prevent ground loop issues, or as a dedicated printer module for hardcopy documentation. This versatility reduces the need for multiple specialized components in complex installations.
Key Product Advantages
The DSC PC4401 MAXSYS Data Interface Module offers distinct advantages for system integrators and facility managers. Its multi-port design consolidates connectivity requirements while maintaining signal quality across all channels.
Multi-Functional Design
Operates as either a standard RS-232 interface, PC-Link isolator, or printer module, reducing component count and simplifying system architecture.
- Three operational modes in one unit
- Eliminates need for separate isolation devices
- Simplifies system documentation
Scalable Connectivity
Four independent RS-232 ports support simultaneous connections to multiple peripheral devices without signal degradation.
- Independent port operation
- Maintains signal integrity
- Supports mixed peripheral types
Deployment / Use Cases
The PC4401 interface module serves critical roles in access control, building automation, and industrial monitoring systems. Its RS-232 connectivity makes it ideal for integrating legacy equipment with modern control platforms.
Common applications include connecting MAXSYS control panels to serial printers for event logging, interfacing with older access control readers that use serial communication, and providing isolated data pathways between sensitive equipment to prevent electrical interference. The module's versatility supports both simple point-to-point connections and complex multi-device networks within facility management systems.
Highlights
- Four independent RS-232 serial ports
- Operates in three modes: bi-directional interface, PC-Link isolator, or printer module
- Manufactured by Johnson Controls under the DSC brand
- Part number PC4401 for precise identification
- Designed for MAXSYS control system integration
- Supports simultaneous connections to multiple peripheral devices
- Maintains signal integrity across extended cable runs
- Compatible with industrial equipment and legacy systems
Specifications
| Specifications | |
|---|---|
| Manufacturer | Johnson Controls |
| Manufacturer Part Number | PC4401 |
| Brand Name | DSC |
| Product Name | MAXSYS Data Interface Module |
| Product Type | Interface Module |
| Interfaces/Ports | |
| Total Number of Ports | 4 |
| Interfaces/Ports Details | 4 x RS-232 Serial |
FAQ
What type of serial interface does the PC4401 module provide?
The DSC PC4401 MAXSYS Data Interface Module provides four RS-232 serial ports. RS-232 is a standard serial communication interface commonly used in industrial and commercial applications for connecting control systems to peripheral devices like printers, readers, and monitoring equipment.
How many devices can connect to this interface module simultaneously?
The module supports connections to up to four devices simultaneously through its independent RS-232 serial ports. Each port operates independently, allowing different peripheral types to communicate with the control system without interference or signal degradation.
What are the three operational modes of this interface module?
The PC4401 can operate as a bi-directional RS-232 interface for standard data exchange, as a PC-Link isolator to prevent ground loop issues between connected equipment, or as a dedicated printer module for generating hardcopy documentation from the control system.