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P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
3-19
Boards for HiPath 3000
Central Boards
For Australia only: The T/R interfaces supply a ring voltage of 35 V
eff
. Depending on the
terminals connected, we cannot exclude the possibility of errors occurring during ringing
state.
● Two digital S
0
interfaces (CO (default) or station)
● Backplane (CUC or CUP) connection via slots 1 (X11), 2 (X5) and 3 (X6)
● Music on hold: MPPI, EXM
● Options bus (O bus)
● Two V.24 interfaces. The second interface is implemented via the V24/1 option.
Switches and indicators
● Reset/reload switch
– Switch pressed < 5 s = Reset activated
– Switch pressed > 5 s = Reload activated (RUN LED out indicates that a reload is in
progress)
● RUN LED
LED status meaning is explained in the following table.
>
Please note that only one MPPI module may be connected. In other words, you
can connect either MPPI S30122-K5380-X200 via X4 or MPPI S30122-K7275-
B via X19/X20.
Table 3-3 CBCC - LED Status Meaning
RUN LED Meaning
Off No power
On Reset switch pressed briefly
Off Reset switch held down for more than 5 seconds (LED is extin-
guished to acknowledge that a reload has begun)
On System boot
Off
for 0.1 s
Load operation: APS in SDRAM, loadware, and card data
Flashing
0.5 s on/0.5 s off
Normal operating state (zero load)
1
1 The flashing rhythm depends on the load. The higher the system load the slower the flashing rhythm.
Flashing
0.1 s on/0.1 s off
MMC removed or defective
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