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ASP 113 01
Media gateway
Base
station
Location
Area
5/1531-ANF 901 14 Uen D3 2013-11-28
E
E
M
L
L
G
U
U
U
3
3
1
1
Synchronization ring cable
Base
station
Portables
Figure 1: Architecture of a MX-ONE cordless phone system
Pcm synchronization in the picture above is distributed in the synchroni-
zation ring. This puts some requirement on the configuration.
•
All boards in the ring must be ELU31/4 with switch set to
index_4_mode.
•
All boards in the ring must be configured to enable synchronization
distribution, see CXCFC in CORDLESS PHONE command
description.
•
All media gateways shall be configured to retrieve synchronization
from ELU31, except the master board. With command
Synchronization accuracy within +/- 5 PPM
NTU or CPE
+/- 25 PPM
Media gateway
E
L
U
3
1
Base
station
PSTN
E
L
U
3
1
Fixed
Part
...
Base
station
G
ENERAL
M
G
U
5
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