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IPmux-1/1E Installation and Operation Manual Chapter 1 Introduction
Functional Description 1-15
Clock from External Distribution Network
IPmux-1
E1/T1
E1/T1
E1/T1 Device
LBT Mode
E1/T1 Device
IPmux-1
External
Clock Mode
External
Clock Mode
LBT Mode
IP/Ethernet
Figure 1-12. IPmux-1 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-1 devices is configured to work in Loopback timing mode, while the other
IPmux-1 device is configured to work in Adaptive timing mode (see Figure 1-13).
IP/Ethernet
IPmux-1
E1/T1
E1/T1
IPmux-1
E1/T1
E1/T1
Adaptive Mode
Loopback
Timing Mode
E1/T1 Device E1/T1 Device
Master Clock
Source Device
Remote Loopback
Timing Device
Figure 1-13. IPmux-1 in Adaptive Timing Mode
IPmux-8/16
LBT
Grooming of FXS
in E1 CAS
ISDN
POTS
ISDN
LBT
V5.1
E1
Grooming
of BRI
Megaplex
ISDN
IP over
Ethernet
Adaptive
IPmux-1E
Adaptive
IPmux-1E
Adaptive
IPmux-1E
Telephone
Switch
Figure 1-14. IPmux-1E in Adaptive Timing Mode
Megaplex can also be connected directly to the network, via its TDMoIP main link
(ML-IP).
Note