Chapter 2 Modules
Indicator
Color
Meaning
Flash
Status
Descrip-
tion
SCS
Green
System
clock
running
status
indicator
FPGA
control
indicator
, three
status: on,
quick flash
and off.
On when
the system
clock is
normal.
Quickly
blinks (on
for 0.125
seconds and
off for 0.125
seconds)
when a
10ms clock
failure
occurs.
Off when a
50CHIP
clock failure
occurs.
CST
Green
Communi-
cation sta-
tus indica-
tor between
CPU and
MMC
Controlled
by CPU,
EPLD trans-
parent
transmis-
sion
On when the
communi-
cation be-
tween CPU
and MMC is
normal.
Off when
CPU fails to
communi-
cate with
MMC.
RUN
Green
Running
Indicator
MMC control
indicator
Blinks in
5 Hz flash
when the
module is
being pow-
ered on.
Blinks in
1 Hz flash
when the
module runs
normally.
On when
the mod-
ule is start-
ing the ver-
sion after
download-
ing it suc-
cessfully.
Off when
the module
is abnormal.
ALM
Red
Alarm
Indicator
MMC control
indicator
On when
an alarm
occurs on
the module.
Off when
no alarm
occurs on
the module.
Confidential and Proprietary Information of ZTE CORPORATION
27
Содержание CDMA Outdoor Basestation-8900
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