DS3800NHVD1C1B | GE Speedtronic High-Voltage Digital Interface

Description

Product Introduction

The DS3800NHVD1C1B is an enhanced version of the high-voltage digital interface board—the NHVD with extended temperature range, conformal coating, and improved diagnostics. The suffix tells the story: the first “1” indicates a hardware revision with improved isolation and signal conditioning. The “C” specifies extended temperature range components. The second “1” adds enhanced diagnostic features. The final “B” is the conformal coating with humidity-resistant components. This board was designed for installations where the standard NHVD wasn’t sufficient—harsh environments requiring extended temperature range, conformal coating, or better diagnostic feedback.

The conformal coating provides protection against humidity and dust. The extended temperature range means the board can operate in uninsulated shelters or outdoor cabinets. Compare this to the base DS3800NHVD (standard temperature range, no coating). The 1C1B gives you the same basic functionality with significant improvements in reliability.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What’s the difference between the NHVD1C1B and the base NHVD?
The 1C1B adds enhanced diagnostics (configuration verification, error logging), extended temperature range (-40°C to +70°C vs 0 to 60°C), and conformal coating. The base NHVD has basic link status only. If you’re operating in a harsh environment or need diagnostic feedback, choose the 1C1B.

What’s the “Config OK” LED?
The Config OK LED verifies that the board’s configuration is correct. If the LED is green, the configuration is correct. If it’s red, the board is misconfigured—check the system documentation.

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.

What’s the voltage rating of this board?
The voltage rating depends on the specific configuration. Check the board’s label or your system documentation for the exact voltage rating.

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 NHVD1C1B 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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