User guide

TD 92422GB
18 February 2010 / Ver. E
System Planning
Ascom IP-DECT System
19
Figure 7. Non redundant synchronization
Reference synchronization
The reference ports are used to synchronize two separate rings, for example between two
buildings.
Figure 4.
Figure 8. Two rings synchronized via reference sync
Note: If all IPBLs in the ring with reference out connection are restarted (for example
power failure in the building) all RFPs connected to the IPBLs in the ring with reference in
will be reinitiated.
IPBL1 Ring out
IPBL2 Ring in
IPBL2 Ring out
IPBL3 Ring in
010
011
Ring sync
Ref s
y
nc
IPBL1 Ring out
IPBL2 Ring in
IPBL2 Ring out
IPBL3 Ring in
I
PBL3 Ring out
I
PBL1 Ring in
IPBL4 Ring out
IPBL5 Ring in
IPBL5 Ring out
IPBL6 Ring in
IPBL6 Ring out
IPBL4 Ring in
IPBL3 Ref out
IPBL6 Ref in