RAD Data comm IPmux-1E Manuel D’Utilisation

IPmux-1/1E Installation and Operation Manual

Chapter 1 Introduction

Functional Description

1-17

IP over
Ethernet

IPmux-1

E1/T1

IPmux-1

E1/T1

Adaptive Mode

Loopback Timing Mode

E1/T1 Device

Master Clock
Source Device

Remote Loopback
Timing Device

Figure 1-14. IPmux-1 in Adaptive Timing Mode

Adaptive

IPmux-4/16

LBT

V5.1

Grooming of FXS

in E1 CAS

Grooming

of BRI

Megaplex

Telephone

Switch

IP over
Ethernet

ISDN

POTS

ISDN

Adaptive

Figure 1-15. IPmux-1E in Adaptive Timing Mode

Frame Format

The Ethernet frame sent by the IPmux-1 is a UDP datagram that transfers E1/T1
payload bytes over IP over Ethernet (UDP payload + UDP header + IP header +

Ethernet header).
The UDP payload size is equal to TDM bytes per frame (TDM bytes/frame

configuration).
Table 1-2 specifies the structure of the different headers, special fields, and the

payload in the Ethernet packet.

MAC

UDP

Payload

Figure 1-16. TDMoIP Frame Structure

Order from: Cutter Networks

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