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IPmux-11 Installation and Operation Manual Chapter 1 Introduction

Functional Description 1-7

E1/T1

Device

E1/T1

Device

E1/T1

Device

E1/T1

Device

E1/T1 E1/T1

IPmux-11

(Loopback Timing)

IPmux-11

(Loopback Timing)

IPmux-11

(Loopback Timing)

IPmux-11

(Loopback Timing)

External Clock

Distribution

Network

IP/Ethernet

Network

Figure 1-3. IPmux-11 in Loopback Timing Mode

External timing from the network can also be issued to IPmux-11 by external clock

input.

E1/T1

Device

(Loopback Timing)

E1/T1

Device

(Loopback Timing)

E1/T1 E1/T1

IP/Ethernet

Network

IPmux-11

(External Timing)

IPmux-11

(External Timing)

External Clock

Distribution

Network

Figure 1-4. IPmux-11 in External Clock Mode

Single Source Clock Network

When a common clock is not available on all the ends of the network one of the

IPmux-11 devices is configured to work in loopback timing, while the other

IPmux-11device is configured to work in adaptive timing (see Figure 1-5).

E1/T1 E1/T1

Master Clock

Source Device

Remote Loopback

Timing Device

IP/Ethernet

Network

IPmux-11

(Loopback Timing)

IPmux-11

(Adaptive Timing)

Figure 1-5. IPmux-11 in Adaptive Timing Mode

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 115 116

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RAD Data comm IPmux-8 Spécifications Page 23

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