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ZXSDR BS8900 Hardware Manual
Indicator
Name
Color
Meaning
Flash Status
Description
CST
Green
Communica-
tion status
indicator be-
tween CPU
and MMC
Controlled by
CPU, EPLD
transparent
transmission
mode
On: normal
communica-
tion between
CPU and MMC
Off: failed
communica-
tion between
CPU and MMC.
RUN
Green
Running
Indicator
Four statuses:
5Hz flash, 1Hz
flash, On and
Off.
5 Hz flash:
the board is
in power-up
procedure.
1 Hz flash:
the board
is normally
running.
On: the
version is
downloaded
successfully
and is being
started.
Off: the board
is abnormal.
ALM
Red
Alarm
Indicator
Processor
Control
On: the board
has alarm.
Off: the board
has no alarm.
Button
Table 14
describes the button on the CH Panel.
T
ABLE
47 CH B
UTTON
D
ESCRIPTION
Button Name
Description
RST
Reset
Fabric Switch Module (FS)
Functions
The
FS
module provides the following functions:
�
In forward direction, performs the baseband data multiplexing
and framing and then transmit them to the remote
RRU
.
�
In reverse direction, performs deframing and demultiplexing
for received
RRU
remote data and then transmit them to the
baseband processing unit.
�
Supports six remote baseband fiber interfaces.
�
The logic unit implements all the functions except for optical
interface processing.
Principle
The FS module comprises active/standby control unit, MCU0 unit,
MCU1 unit, EPLD logic, optical interface control unit, FPGA unit,
92
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Содержание CDMA Outdoor Basestation-8900
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