Overview

The MODHUB‑48E from Contemporary Controls is part of the MODHUB series of modular active ARCNET hubs, designed for large-scale industrial networks. Unlike smaller models such as the MODHUB‑16E, the 48E is a powered card cage chassis capable of hosting multiple expansion modules, scaling up to 48 ARCNET ports. It supports ARCNET baseband at 2.5 Mbps and allows mixed media connections, including coaxial, twisted pair, and fiber optic cabling.

This hub is ideal for demanding industrial automation applications where high port density, reliability, and flexible cabling are essential.

Technical Specifications

Key Features

• High capacity: Supports up to 48 ARCNET ports with modular expansion.

• Mixed media support: Coaxial, twisted pair, and fiber optic cabling can be combined.

• Industrial reliability: Watchdog timer and digital delay unlock mechanism prevent network lockups.

• Diagnostic LEDs: Monitor hub timing, power supply, and network reconfiguration.

• Fanless cooling: Ensures long-term stability without moving parts.

• Rack-mountable chassis: Fits standard industrial racks for convenient installation.

Typical Applications

• Large factory automation systems requiring robust ARCNET networking.

• Power generation plants with distributed control and monitoring systems.

• Chemical and metallurgical industries with complex industrial networks.

• Process control systems needing mixed media connections and modular expansion.

• Campus-wide industrial networks requiring up to 48 ports in a single hub.

FAQ

Q1: How many ports does the MODHUB‑48E support?
A1: Up to 48 ports, depending on installed expansion modules.

Q2: What protocol does it support?
A2: ARCNET baseband at 2.5 Mbps.

Q3: What makes it different from the MODHUB‑16E?
A3: The 48E offers higher port capacity (48 vs. 16) and is designed for larger industrial networks.

Q4: How is it cooled?
A4: Fanless design with low-heat CMOS components.

Q5: What installation options exist?
A5: Designed for rack mounting in standard industrial racks.