Description
Product Introduction
The MRC P47011B R/T Control Board is a printed circuit board designed for the MRC MPA-5400A marine public address and general alarm (PA/GA) system. It serves as a dedicated control board within the system’s electronic architecture and is intended for maintenance, repair, and replacement of a matching installed assembly.
The P47011B is identified as an R/T Control Board for the MPA-5400A. The precise meaning of the R/T designation and the board’s detailed electrical functions should be confirmed against the original equipment documentation. Correct part-number matching is important for maintaining system operation and avoiding wiring or interface incompatibilities.
This board is suitable for spare-parts sourcing when the existing MPA-5400A installation specifies the same component. Before installation, inspect the board markings, connectors, revision, and physical condition.
P47011B
Key Features
- Manufacturer: MRC
- Model: P47011B
- Product Type: R/T Control Board
- Compatible System: MPA-5400A
- Application: Marine PA/GA communication equipment
- Form Factor: Printed circuit board assembly
- Primary Use: System maintenance and replacement
- Compatibility: Verify the exact board version and installed system configuration
Product Datasheet
| Parameter | Description |
|---|---|
| Brand | MRC |
| Model | P47011B |
| Series | MPA-5400A |
| Product Name | R/T Control Board |
| Place of Manufacture / Origin | Not independently verified |
| Product Status | Used condition reported in the referenced listing; seller states tested and in good condition |
| Dimensions | Not verified |
| Weight | Not verified |
| Country of Origin | Not independently verified |
| Power Requirements | Confirm from the board markings and MPA-5400A documentation |
| Discontinued | Not verified |
Installation and Compatibility Notes
- Confirm the complete part number P47011B and verify that the installed system uses the MPA-5400A.
- Compare the board revision, connectors, terminal arrangement, and component layout with the original unit.
- Consult the system wiring diagram to identify the board’s connections and intended function.
- Disconnect relevant power sources and follow electrostatic-discharge precautions before handling the PCB.
- After replacement, perform the required PA/GA functional checks according to the vessel’s maintenance procedures.
- Do not substitute another MPA-5400A board solely because it belongs to the same system; different boards may perform different functions.
Frequently Asked Questions
Q1: What is the MRC P47011B?
A: It is an R/T Control Board identified for use with the MRC MPA-5400A marine communication system.
Q2: What system is it designed for?
A: The listed application is the MRC MPA-5400A. Confirm the installed equipment model and board identification before purchasing.
Q3: What does R/T mean in the model description?
A: The supplied product description uses the abbreviation R/T, but its precise expansion and function have not been independently verified. Refer to the equipment documentation.
Q4: Is the board tested?
A: The referenced seller describes the item as tested and in good condition. Confirm the testing scope and warranty terms directly with the seller.
Q5: What are the electrical requirements?
A: Verified voltage and current specifications are not available here. Check the original board markings and system documentation before connecting power.
Q6: Can another MPA-5400A board replace the P47011B?
A: Not necessarily. Boards within the same system may have different functions and connections. Confirm the exact part number and compatibility before substitution.
Recommended Related MRC Models and Components
The following MRC components are associated with the MPA-5400A system and may be useful for maintenance planning. They are different assemblies, not confirmed direct replacements for the P47011B.
- MRC P58036C — Main Control PCB for MPA-5400A.
- MRC P53014 — Speaker Control Unit PCB for MPA-5400A.
- MRC P48005 — Call Signal Oscillator PCB for MPA-5400A.
- MRC PM-271 — Microphone Control Unit associated with the MPA-5400A.
- MRC P47011B — R/T Control Board for MPA-5400A.
- MRC MPA-5400A — Marine public address and general alarm system.
- MRC MPA-5400A Speaker Control Unit — Speaker-control equipment for the system.
- MRC MPA-5400A Alarm Generator — Alarm-generation equipment.
- MRC MPA-5400A Cassette & Radio Unit — Audio source unit.
- MRC MPA-5400A Power Supply Unit — Power component; confirm the exact part number.
- MRC MPA-5400A Terminal Board — Wiring interface component; verify the required version.
- MRC MPA-5400A Audio Interface Board — Related component category; exact model requires verification.
- MRC MPA-5400A Microphone Interface Components — Components for compatible microphone connections.
- MRC MPA-5400A Speaker Interface Components — Components for compatible speaker circuits.
- MRC MPA-5400A Replacement PCB Assemblies — Spare boards selected by exact model and part number.
Purchasing Reminder
Before ordering, confirm the exact identification MRC P47011B R/T Control Board for MPA-5400A. Verify the board markings, revision, connectors, physical condition, and compatibility with your existing marine PA/GA system. Confirm the seller’s testing details and return terms before purchase.
