AMT/PTD/PBX/0020/2/4/EN 01/2007 Page 151
LED
A BCSI LED on the front panel of the CSI card gives information about DECT multi-site
synchronization:
Tableau 15 : Meaning of DECT multi-site synchronization on CSI card front panel
7.5.3 Wiring of synchronization ports
ISDN straight wiring:
Tableau 16 : Wiring of synchronization ports
The synchronization port on an F4 has a wiring restriction: when a repeater is used downstream
of an F4, all the PBXs downstream of the repeater must be of the same type: F1/F6 or F4.
STATE EXPLANATION
OFF No BCSI card connected
Flashes green BCSI card present but no incoming (for a master PBX) DECT
synchronization signal
On steady green Incoming DECT synchronization signal on the BCSI card (for a slave
PBX)
Signal RJ45 DECT S RJ45 DECT P
1st pair
2.048 MHz clock
PHBIT 6 6
NHBIT 3 3
2nd pair
DECT clock
PHDECT 5 5
NHDECT 4 4
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