DS33X42+ T1 E1 J1 Line Interface Unit

DS33X42+

DS33X42+ – T1/E1/J1 Line Interface Unit for Telecom Infrastructure

Product Description

Product Overview

The DS33X42+ is a T1/E1/J1 Line Interface Unit (LIU) from Analog Devices (formerly Maxim Integrated), designed to provide a reliable physical layer interface between digital communication controllers and telecom transmission lines. It integrates line driving, receiving, monitoring, and protection functions, significantly reducing external component count.

The device is widely used in telecom infrastructure, access network equipment, and industrial communication systems where stability, compliance, and long-term availability are critical.

Key Features & Advantages

Supports T1, E1, and J1 communication standards
Integrated line driver and receiver reduce external components
Built-in line monitoring and fault detection
Designed for high-reliability communication environments
Original ADI device suitable for long-term and volume deployment

Typical Applications

Telecom switching systems
Access network and transmission equipment
Industrial communication systems
TDM network interface cards
Network infrastructure hardware

Product Specifications

Parameter	Description
Part Number	DS33X42+
Manufacturer	Analog Devices, Inc.
Product Type	T1/E1/J1 Line Interface Unit (LIU)
Supported Standards	T1 / E1 / J1
Integrated Functions	Line driver, receiver, monitoring
Interface Position	Between digital controller and line
Line Protection	Integrated protection and diagnostics
System Compatibility	Compatible with mainstream TDM controllers
Supply Voltage	Single supply
Operating Temperature	Industrial temperature range
Package Type	Surface-mount package
Mounting Style	SMT
Target Markets	Telecom, Industrial Communications
RoHS Compliance	RoHS compliant