Silkscreen
Color
Status
Description
Steady off
l
The board does
not serve as an
active board.
l
The board has not
been activated.
l
The board is not
providing any
services.
On for 0.125s and off
for 0.125s
The operation and
maintenance link
(OML) is
disconnected.
On for 1s and off for
1s
The board is being
tested, such as an
RRU Voltage
Standing Wave Ratio
(VSWR) test through
a USB
(1)
flash drive.
NOTE
Of UMPT boards,
only the UMPTa1 has
this status.
In every 4s, the
indicator is on for
0.125s and off for
0.125s (eight times)
in the first 2s and then
off for 2s.
l
All cells
corresponding to
the subrack that
houses this board
are not activated.
l
The S1 link is
faulty.
NOTE
Of UMPT boards,
only the UMPTa2 and
UMPTa6 have this
status.
Besides the preceding three indicators, some other indicators indicate the connection status of
the FE/GE optical port, FE/GE electrical port, interconnection port, and E1/T1 port. The
indicators on the FE/GE optical port, FE/GE electrical port, interconnection port, and E1/T1
port, which have no silkscreen on the boards, are near the corresponding port, as shown in
.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
33
