DS3800NGRD1B1A | OEM GE Speedtronic General Purpose Remote

Description

Product Introduction

The DS3800NGRD1B1A is an enhanced version of the general-purpose remote device interface—the NGRD with extended temperature range and improved diagnostics. 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 “A” is the standard environmental package (no conformal coating—single-layer board). This board was designed for installations where the standard NGRD wasn’t sufficient—where extended temperature range or better diagnostics were needed.

The extended temperature range means the board can operate in uninsulated shelters or outdoor cabinets. The enhanced diagnostics verify the board’s configuration and provide detailed status reporting. Compare this to the base DS3800NGRD (standard temperature range, basic diagnostics). The 1B1A gives you the same basic functionality with better diagnostic feedback and extended temperature tolerance.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What’s the difference between the NGRD1B1A and the base NGRD?
The 1B1A adds enhanced diagnostics (configuration verification, link quality monitoring) and extended temperature range (-40°C to +70°C vs 0 to 60°C). The base NGRD has basic link status and standard temperature range only.

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.

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.

Does this board have conformal coating?
No, the final “A” indicates no conformal coating. This is a bare board. If you need conformal coating for humidity or salt spray protection, look for the NGRD1B1B or NGRD1B1C variants.

How is the NGRD configured?
The NGRD is configured via jumpers on the board or through firmware settings. If you’re replacing a failed NGRD, 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 NGRD1B1A 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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