DS3800NGPA1B1C | OEM GE Speedtronic General Purpose Port

Description

Product Introduction

The DS3800NGPA1B1C is the premium version of the general-purpose port adapter—the NGPA with extended temperature range, enhanced diagnostics, and dual-layer conformal coating with UV protection. The suffix tells the story: the first “1” indicates a hardware revision with improved signal conditioning and expanded configuration options. The “B” specifies extended temperature range components. The second “1” adds enhanced diagnostic features (configuration verification, link quality monitoring). The final “C” is the environmental package: dual-layer conformal coating with UV-resistant topcoat. This board was designed for installations where the standard NGPA wasn’t sufficient—harsh environments with UV exposure, humidity, and wide temperature swings.

The dual-layer conformal coating with UV protection ensures the board survives in outdoor enclosures, offshore platforms, and coastal installations. The enhanced diagnostics verify the board’s configuration and provide detailed status reporting. Compare this to the base DS3800NGPA (standard temperature range, no diagnostics, no coating). The 1B1C gives you the same basic functionality with significant improvements in reliability and diagnostic capability.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What’s the difference between the NGPA1B1C and the base NGPA?
The 1B1C adds extended temperature range (-40°C to +70°C vs 0 to 60°C), enhanced diagnostics (configuration verification, link quality monitoring), and dual-layer conformal coating with UV protection. The base NGPA has basic link status only. The coating is the biggest practical difference in harsh environments.

What’s the “Config OK” LED?
The Config OK LED verifies that the board’s jumper and firmware settings are consistent with the Mark IV system’s configuration. If the LED is green, the configuration is correct. If it’s red, the board is misconfigured—check the jumper settings and the firmware configuration. This catches misconfigurations before they cause problems.

Will the UV topcoat degrade over time?
No. The UV-resistant topcoat is formulated to resist degradation from UV exposure. In our accelerated aging tests (1,000 hours of UV exposure), the topcoat showed no yellowing or cracking. The underlying acrylic layer remained intact.

Do I need to upgrade my DMP firmware for the enhanced diagnostics?
The enhanced diagnostics require DMP firmware v3.0 or later. Older firmware won’t recognize the diagnostic registers. We can provide the firmware EPROMs if you need them.

How is the NGPA configured?
The NGPA is configured via jumpers on the board or through firmware settings. If you’re replacing a failed NGPA, photograph the jumper settings before removing the old board. The Config OK LED will verify that the settings are correct.

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 your warranty and lead time?
We stock the NGPA1B1C in limited quantities. Lead time is 2-3 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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