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Crestron

Crestron CNTBLOCK Network Junction Module

$187.99

The Crestron CNTBLOCK is a passive Cresnet distribution block designed for terminating and distributing Cresnet power and data to multiple devices. It features eight detachable Cresnet ports, jumper-selectable dual power groups, LED diagnostics for power and data signals, and a compact surface-mount design with integral flanges-ideal for clean wiring in AV cabinets, closets, or beneath tables.

View Product Features

  • Eight 4‑pin Cresnet ports in two jumper‑selectable power groups
  • Jumper allows isolation of 24V power between groups
  • LEDs indicate presence of power and Y/Z data lines
  • Surface‑mountable with integral flanges, compact metal chassis
  • No programming required; passive device simplifies Cresnet topology
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About the Crestron CNTBLOCK Network Junction Module

The Crestron CNTBLOCK Network Junction Module is a compact network connection and distribution accessory designed to simplify Cresnet® wiring in Crestron control system installations. It acts as a centralized junction point where multiple Cresnet devices can be connected, organized, and powered efficiently. By consolidating network connections into a single module, the CNTBLOCK helps installers reduce wiring complexity, improve system reliability, and maintain a clean, structured control system layout.

Commonly used in equipment racks, wall enclosures, and control panels, the CNTBLOCK enables easy expansion and troubleshooting of Cresnet-based systems. It allows multiple peripherals—such as keypads, touch panels, sensors, and control modules—to be connected to a single Cresnet network while maintaining proper signal distribution and power management. This makes it especially valuable in medium to large Crestron installations where multiple devices must be interconnected reliably.

Designed for long-term use in professional AV and automation environments, the CNTBLOCK features durable construction and secure terminal connections. It is ideal for both new installations and system upgrades where organized Cresnet distribution is essential for stable performance.

Key Features

  • Eight 4‑pin Cresnet ports in two jumper‑selectable power groups
  • Jumper allows isolation of 24V power between groups
  • LEDs indicate presence of power and Y/Z data lines
  • Surface‑mountable with integral flanges, compact metal chassis
  • No programming required; passive device simplifies Cresnet topology

Crestron CNTBLOCK Network Junction Module Specs

Product Type
Network Junction Module
Manufacturer
Crestron Electronics
Model Number
CNTBLOCK
Network Type
Cresnet (4-wire control network)
Primary Function
Cresnet signal and power distribution
Connection Method
Screw terminal blocks
Number of Connections
Multiple Cresnet device terminations
Input
Cresnet network input from control processor or power supply
Output
Cresnet network outputs to connected devices
Power Distribution
Pass-through Cresnet power
Mounting Options
Surface mount or enclosure mount
Installation Location
Equipment racks, control panels, wall enclosures
Chassis Material
Durable industrial-grade housing
Cooling
Passive (no active cooling required)
Operating Voltage
Cresnet standard voltage
Operating Environment
Indoor professional AV installations
Use Case
Structured Cresnet wiring and system organization
Compatibility
Crestron Cresnet-enabled devices

Key Features

  • Eight 4‑pin Cresnet ports in two jumper‑selectable power groups
  • Jumper allows isolation of 24V power between groups
  • LEDs indicate presence of power and Y/Z data lines
  • Surface‑mountable with integral flanges, compact metal chassis
  • No programming required; passive device simplifies Cresnet topology
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