DS3800NGPA | OEM GE Speedtronic General Purpose Port

Description

Product Introduction

The DS3800NGPA is a general-purpose port adapter board for Mark IV systems—the “G” in the suffix indicates general-purpose functionality, the “P” indicates port adapter, and the “A” is a manufacturing revision. This board was used in installations where a flexible port interface was needed for remote devices and communication links. It provides configurable port interfaces that can be adapted to different communication protocols and physical layers.

The board plugs into the Mark IV backplane and provides a configurable port interface. It’s more flexible than the dedicated communication boards, but that flexibility comes with more configuration effort. Compare this to the DS3800NFCF (fiber optic board) or the DS3800NGDC (general-purpose fiber optic board). The NGPA is a general-purpose port adapter—it can handle different types of ports depending on the configuration.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What does the NGPA board do?
The NGPA is a general-purpose port adapter board for Mark IV systems. It provides flexible, configurable port interfaces for remote devices and communication links.

What’s the difference between the NGPA and the NGMA?
The NGPA is a general-purpose port adapter—it provides configurable port interfaces. The NGMA is a general-purpose I/O board—it provides configurable I/O links. The NGPA is typically used for communication links; the NGMA is used for I/O connections.

How is the NGPA configured?
The NGPA is configured via jumpers on the board or through firmware settings. The exact configuration depends on the application. Check your system documentation for the specific configuration requirements. If you’re replacing a failed NGPA, photograph the jumper settings before removing the old board.

Can I hot-swap this board?
No. Mark IV backplanes are not hot-swappable. Power down the cabinet, lock out the breaker, and wait 60 seconds before removing or installing the board.

What’s the most common failure mode on the NGPA?
We’ve serviced about a dozen NGPA boards. The most common failure is the edge connector—corrosion from humidity. The second most common failure is the port interface circuitry—it can degrade over time. The board is repairable.

What’s your warranty and lead time?
We stock the NGPA in limited quantities. Lead time is 1-2 business days. We offer a 1-year warranty. We test every board with a 24-hour burn-in and a diagnostic verification. The test report is included.

Is this board compatible with the Mark VIe?
No. This board is for Mark IV systems only. The backplane architecture is different.

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