DS3800NGDC | New Surplus GE Turbine Control Board

Description

Product Introduction

Sometimes you need a fiber optic link that doesn’t fit the standard categories. The DS3800NGDC is that link—a general-purpose fiber optic communications board for Mark IV systems that provides flexible, configurable I/O for remote devices and inter-cabinet communication. The “G” in the suffix indicates general-purpose functionality, and the “C” is a manufacturing revision. This board was used in installations where the standard fiber boards (NFCF, NFCD, NFDB) didn’t have the right configuration for the application.

The board plugs into the Mark IV backplane and provides a configurable fiber optic interface. It’s more flexible than the dedicated link boards, but that flexibility comes with more configuration effort. Compare this to the DS3800NFCF (single-channel, fixed configuration) or the DS3800NFCD (dual-channel, fixed configuration). The NGDC is the board you use when the standard boards don’t fit your I/O configuration.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What does the NGDC board do?
The NGDC is a general-purpose fiber optic communications board for Mark IV systems. It provides flexible, configurable fiber optic I/O links for remote devices and inter-cabinet communication. It’s more flexible than the standard fiber boards, but requires more configuration effort.

What’s the difference between the NGDC and the NFCD/NFCF?
The NGDC is general-purpose and configurable. The NFCD (dual-channel) and NFCF (single-channel) are fixed-configuration boards. The NGDC was used when the standard boards didn’t fit the I/O configuration. In practice, the NGDC and NFCD/NFCF are often interchangeable, but the NGDC requires more configuration to match the application.

How is the NGDC configured?
The NGDC 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 NGDC, photograph the jumper settings before removing the old board.

Can I use the NGDC with the long-haul fiber boards?
The NGDC was designed for the standard Mark IV fiber system. It may not be compatible with long-haul boards that use different wavelengths. Check your system configuration before mixing board types.

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 NGDC?
We’ve serviced about a dozen NGDC boards. The most common failure is the edge connector—corrosion from humidity. The second most common failure is the configuration memory—the settings can become corrupted, causing the board to behave unpredictably. The board is repairable.

What’s your warranty and lead time?
We stock the NGDC 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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