Tadiran Telecom Coral IPx 800 Series, Installation Procedure And Hardware Reference Manual

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8-22
Coral IPx 800 Installation Manual
HDC C
a
rd
Hig
h
Den
sity Con
tr
o
l
8
Clock and Sync Generator
The Clock signal is strobed at 4.096 MHz to identify the bit period of the HDLC and
PCM buses. The Sync signal is strobed at 8.0 KHz, appearing once every 125mS to
identify the start of time slot 0 on each of the two PCM buses.
Figure 8-3 Coral
IPx 800, PCM Highway
Distribution
HDC
Peripheral
service
&
group
controller
A3
B3
A2
B2
A1
B1
384 time slots
Coral IPx 800
IPx 500X / 800X
2nd Expansion Cage
IPx 800M
Main Cage
12 11 10 9 8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
SLO
T
12
SLO
T
1
1
SLO
T
10
SLO
T
9
SLO
T
8
SLO
T
7
SLO
T
6
SLO
T
5
SLO
T
4
SLO
T
3
SLO
T
2
SLO
T
1
SLO
T
9
SLO
T
8
SLO
T
7
SLO
T
6
SLO
T
5
SLO
T
4
SLO
T
3
SLO
T
2
SLO
T
1
IPx 500X / 800X
1st Expansion Cage
12 11 10 9 8 7 6 5 4 3 2 1
SL
O
T
1
2
SL
O
T
1
1
SL
O
T
1
0
SL
O
T
9
SL
O
T
8
SL
O
T
7
SL
O
T
6
SL
O
T
5
SL
O
T
4
SL
O
T
3
SL
O
T
2
SL
O
T
1
PCM highway A3
PCM highway B1
64 time slots each PCM highway
Se
c
.Sync.
P
rm.Sync.
Sec.Sy
n
c
.
Pr
m.Sync
.
Sec.Sy
n
c
.
Prm
.Sy
n
c
.
Applicable in
IPx 800X
Applicable in
IPx 800X