Appendix A Outdoor BBU+RSU Cabinet
Indicator
Table 13
describes the indicators on the panel of CH module.
T
ABLE
46 CH M
ODULE
P
ANEL
I
NDICATOR
D
ESCRIPTION
Indicator
Name
Color
Meaning
Flash Status
Description
BLS
Green
Baseband link
(forward/re-
verse) run-
ning status
indicator
The flash
frequency
is 8Hz; it
indicates
the SERDES
receiving
status and
the forward
baseband
signal failure
while FS0/FS1
board
connects to
CH board.
Ordinal flash
on time, the
maximum
flash for four
times per sec-
ond, 0.125s
On and 0.125s
Off
The first sec-
ond: one flash
means com-
munication
with FS0 is
normal and
Off means
communica-
tion is broken.
The forth sec-
ond: two
flashes mean
communica-
tion with FS1
is normal and
Off means
communica-
tion is broken.
Recycle again
per 6 seconds.
If the for-
ward IO signal
check from
the channel
chip output is
wrong, it is
always off.
If the 61.44M
clock or the
32CHIP clock
is wrong, it is
always off.
SCS
Green
System clock
(50CHIP/10ms)
running status
indicator
Three
statuses: On,
quick flash
and Off.
On: the
system clock
running is
normal.
Quick flash:
10ms wrong,
0.125s On and
0.125s Off.
Off: 50CHIP
wrong.
ST
Green
Reservation
Controlled by
CPU, EPLD
transparent
transmission
mode
-
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