Specifications

Overview 1-1

Chapter 1

Introduction

1.1 Overview

IPmux-4 is a modular TDMoIP gateway enabling one or four E1 or T1 circuits to

be extended over IP networks. The device converts the data stream coming from

the E1 or T1 ports into configurable-sized IP packets that are transported over the

Ethernet port and vice versa. IPmux-4 offers end-to-end synchronization for TDM

applications and large buffers, to compensate for the delay variation inserted by

the network. The device can be used to extend E1 or T1 services over high-speed

IP/Ethernet backbones for both Metropolitan Area Network and corporate

applications. IPmux-4 can be managed locally via an ASCII terminal or remotely

via Telnet or RADview (RAD’s SNMP-based network management application).

Versions

IPmux-4 with an E1 interface: Balanced line with an RJ-45 connector

Unbalanced line with a mini-coaxial connector

IPmux-4 with 4E1 interfaces: Balanced lines with RJ-45 connectors

Unbalanced lines with mini-coaxial connectors

IPmux-4 with a T1 interface: Balanced line with an RJ-45 connector

IPmux-4 with 4T1 interfaces: Balanced lines with RJ-45 connectors

Applications

Two typical IPmux-4 applications are shown in Figure 1-1 and Figure 1-2.

Router

Gigabit Ethernet

Switch

Gigabit Ethernet

Switch

IPmux-4IPmux-4

Workstation

1 Gbps

100BaseT100BaseT

PBX

SITE B

Figure 1-1. Multiplexing Voice and Data over Fast / Giga Ethernet Trunk

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