AMT/PTD/PBX/0020/2/4/EN
01/2007
Page 147
7.4.3
Wiring of synchronization ports
Important:
DECT synchronization wiring between the two NeXspans must be done using only
an STP5 cable.
•
Master - Slave and Slave - Slave wiring (ISDN straight wiring)
Tableau 12 : Wiring of synchronization ports (Master - Slave and Slave - Slave)
•
Priority Master - Not priority Master wiring (ISDN straight wiring)
Tableau 13 : Wiring of synchronization ports (priority Master - not priority Master)
Signal
RJ45 S DECT
(J7B)
RJ45 P DECT
(J7A)
1st pair
2.048 MHz clock
PHBIT
6
6
NHBIT
3
3
2nd pair
DECT 800 ms clock
PHDECT
5
5
NHDECT
4
4
Signal
Priority Master
RJ45 P DECT
(J7A)
Not priority
Master RJ45 P
DECT (J7A)
AHGA
1
1
AHGB
2
2
HEXTA
7
7
HEXTB
8
8
Summary of Contents for NeXspan C
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