H&H MDCCM-1140-120 Communication Circuit Board Module
Purchase the genuine H&H MDCCM-1140-120 COMM-II Communication Module. This reliable Digital Communication Control Module (DCCM) is an essential component for elevator control systems, ensuring stable and efficient operation.
H&H MDCCM-1140-120 Communication Circuit Board Module
The H&H MDCCM-1140-120 is a specialized Communication Circuit Board Module, also identified as the COMM-II or Digital Communication Control Module (DCCM). Engineered for robust performance, this module is a critical component within elevator control systems, facilitating reliable data exchange between the main controller and various peripherals. The board features essential integrated circuits, including the DCCM V3.4 EVEN and ODD chips, ensuring stable operation. It is equipped with multiple interface connectors (P1, P2, P3, P4), dip switches for configuration, and status indicator LEDs for straightforward diagnostics and maintenance. This module is an ideal replacement part for servicing and maintaining the integrity of compatible elevator communication networks.
Technical Specifications:
- Brand: H&H
- Model / Part Number: MDCCM-1140-120
- Product Type: Communication Circuit Board Module
- Also Known As: COMM-II, Digital Communication Control Module (DCCM)
- Key Components: DCCM V3.4 EVEN, DCCM V3.4 ODD
- Interfaces: Connectors P1, P2, P3, P4; Dip Switches

| Brand | H&H |
|---|---|
| Model | MDCCM-1140-120 |
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