Aastra NeXspan 500 - Wiring of Synchronization Ports

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