Specifications

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
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