BARBER COLMAN A-13405-2 Communications Pcb Circuit Board RS232
( Brand: Barber Colman ), ( Manufacturer Part Number: A-13405-2 ), ( Part Type: Circuit Board ), ( Mounting Style: Pcb Mount ), ( Operating Voltage: 3.3 V )
Review BARBER COLMAN Rs232 Communications Pcb Circuit Board Used
The **Barber-Colman A-13405-2 RS-232 Communications PCB Circuit Board** is a meticulously engineered, high-reliability printed circuit board designed for robust industrial and automation applications, particularly within Barber-Colman s legacy control systems. This board serves as the critical interface for serial data communication, enabling seamless bidirectional RS-232 connectivity between microprocessors, PLCs, or other digital control units and peripheral devices such as printers, modems, or external sensors. Built to exacting specifications, the A-13405-2 features a dense arrangement of through-hole and surface-mount components, including precision resistors, capacitors, and integrated circuits, all meticulously soldered to a high-grade FR-4 substrate for optimal thermal and electrical performance. The circuit incorporates a dedicated RS-232 transceiver, likely a classic 1488/1489 or similar interface chip, ensuring compliance with the EIA-232-F standard for reliable voltage-level translation between TTL logic and the 12V differential signaling required for long-distance serial communication. Its robust design accommodates harsh industrial environments, with components mounted on a sturdy, double-sided board that includes vias for signal integrity and grounding to minimize electromagnetic interference (EMI). The board s compact yet functional layout ensures efficient use of space while maintaining clear signal paths, reducing latency and enhancing data transmission accuracy. Whether integrated into a legacy control panel, a custom automation system, or a retrofitted industrial machine, the A-13405-2 PCB exemplifies Barber-Colman s commitment to durability and precision, making it a sought-after component for engineers and technicians maintaining or upgrading older control architectures.
### **Barber-Colman A-13405-2 (RS-232 Communications PCB Circuit Board) Pros and Cons**
#### **Pros:**1. **Compatibility with Legacy Systems** The A-13405-2 is designed for use in older Barber-Colman analog control systems, particularly those from the 1970s to early 2000s. If you have a system that relies on this specific PCB for RS-232 communication, replacing it with a new or refurbished unit ensures continued functionality.
2. **RS-232 Serial Communication** The board supports RS-232 serial communication, which was a standard interface for industrial and control systems before Ethernet and USB became dominant. This makes it useful for legacy automation, testing, or data acquisition applications.
3. **Potential for Restoration or Modification** Since this is an older PCB, skilled technicians may be able to repair or modify it for extended use, especially if the failure is limited to a few components rather than the entire board.
4. **Availability of Replacement Parts** While not as widely stocked as modern components, Barber-Colman and some specialty suppliers may still carry this part or be able to source it from obsolete electronics distributors.
5. **Cost-Effective for Critical Systems** If the system is mission-critical and no modern alternative exists, purchasing this board may be cheaper than attempting a full system upgrade.
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#### **Cons:**1. **Age and Obsolescence** The PCB is likely decades old, meaning it may suffer from degraded solder joints, failing capacitors, or outdated manufacturing standards. Modern components may not be compatible with it.
2. **Difficulty in Sourcing Components** Replacing individual failed components (e.g., resistors, transistors, connectors) can be challenging due to obsolescence. Some parts may no longer be produced or may require special ordering.
3. **Lack of Documentation or Support** Unlike modern electronics, detailed schematics, firmware, or technical support for this specific model may be scarce or unavailable. Troubleshooting could be difficult without expert knowledge.
4. **Compatibility Issues with Modern Systems** If you re trying to integrate this board into a newer setup, you may face challenges with voltage levels, communication protocols, or physical connectors that no longer match modern standards.
5. **Reliability Concerns** Older PCBs are prone to wear, corrosion, and failure over time. Even if the board works initially, it may not last as long as a modern replacement.
6. **Limited Aftermarket Support** Unlike common microcontrollers or FPGA boards, this specific PCB has no active community or third-party support. Repairs or modifications would require specialized expertise.
7. **Potential for Counterfeit or Damaged Units** If purchasing from a secondary market, there is a risk of receiving a used, damaged, or counterfeit board that does not function as intended.
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### **Conclusion:**The Barber-Colman A-13405-2 RS-232 PCB is a **niche, legacy component** best suited for maintaining or restoring older Barber-Colman control systems where no modern alternative exists. While it offers compatibility and functionality for specific applications, its age, obsolescence, and lack of modern support make it a risky choice unless absolutely necessary.
If the system is critical and no other option exists, purchasing this board may be justified, but only if you are prepared for potential reliability issues, sourcing challenges, and the need for expert troubleshooting. For new projects or modern systems, a different communication interface (e.g., Ethernet, USB-to-serial adapter, or a modern PLC) would be far more practical and reliable.
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### **Recommendation:**1. **Verify Necessity** Confirm that no modern replacement or alternative exists before committing to this board. If possible, consult with a specialist familiar with Barber-Colman systems.
2. **Test Before Purchase** If buying used, request a functional test or inspect the board closely for signs of damage (burn marks, swollen capacitors, corrosion).
3. **Consider a Refurbished or New Alternative** Some distributors specialize in obsolete electronics and may offer refurbished or remanufactured versions with warranties. Alternatively, explore whether a different communication method (e.g., converting RS-232 to USB) could work.
4. **Budget for Potential Repairs** Account for the possibility of needing to replace individual components if the board fails shortly after purchase.
5. **Document the System** If proceeding, thoroughly document the system s current setup, including wiring, connections, and any troubleshooting steps taken in the past.
6. **Explore Modern Replacements** If the system is no longer critical, consider upgrading to a modern industrial controller or automation platform that supports RS-232 via adapters or direct integration.
Ultimately, this board is **only recommended for maintaining legacy systems where no other option exists**, and even then, with caution and preparation. For new or evolving applications, a modern solution is strongly advised.
Details:
Small board bin #3 CS2. With a PCB mount and operating voltage of 3.3V, this circuit board offers 4 tie-points for efficient connections. The Barber Colman A-13405-2 RS232 Communications PCB Circuit Board is a high-quality electronic component designed for industrial use. Made by the reputable brand Barber Colman, this board ensures reliable performance and compatibility with various electrical systems.
Ideal for those in need of a durable and efficient PCB their business or industrial applications, this product is practical choice ensuring smooth communication control.
part #: a134052 prices
- $200.00-$440.00
specifications pcbemdev:
- brand: Barber Colman
- mpn: A-13405-2
- part type: Circuit Board
- mounting style: Pcb Mount
- operating voltage: 3.3 V
returns pcbemdev:
- method: Money back
- paid by: Buyer
- policy: Returns Accepted
- time: 30 Days
shipping pcbemdev:
- cost: $0.00
- class: Standard
- transit: 4-8 Days
- service: UPS Ground
- type: Calculated
- carrier: UPS
seller pcbemdev:
- rating: 99.3%
- # reviews: 1639
- city: Norwalk, Ohio
offer pcbemdev:
- quantity: 1
- started: February 1, 2026
- options: Ship-to-home
- availability: In Stock
- sold: 0
- best offers: True
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general pcbemdev:
- Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs
- condition: Used
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