AMT/PTD/TR/0020/2/7/EN
10/2008
Page 8-168
Case of multisite F4/F4, F4/F6 or F4/F1 device with F4 equipped with an
FPHBG2 back plane and CSI and LDT cards (NeXspan 50)
The secondary port of the “Master” PBX is connected to the primary port of the “Slave” PBX.
The base stations must be wired in two pairs. The synchronisation signal is carried by the M bit in
the S frame.
Note:
For a multisite F4/F6, if the DECT base stations are connected to the integrated S0
accesses of a NeXspan S CPU board, a third pair is required for synchronization.
Note:
The LD4X (removing jumper J14 from an LD4NX card and offering additional functions)
is only compatible on the NeXspan S/L/D range and as of software release R4.1.
Figure 7-22: Contiguous multisite F4/F4, F4/F6 or F4/F1 (with F4 fitted with FPHBG2/CSI/LDT card)
F4
L
D
T
F4
or
F1*
or
F6
L
D
4
/
L
D
4
N
IP or T2 network
S0 bus
S0 bus
master PBX
slave PBX
DECT base
DECT base
* minimum OCT4 card
L
D
T
/
L
D
4
X
BCSI
S
P
P
S
slave cards
slave card
Summary of Contents for X Series
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