Huawei BTS3900C Hardware Description page 97

BTS3900C (Ver.C)
Hardware Description
The UBRI provides six indicators indicating the status of the CRRI links. The indicators are
above the SFP ports.
Table 3-78 CPRI port status indicators
Silkscreen
CPRIx
Ports
Table 3-79
Table 3-79 Ports on the UBRI panel
Silkscreen
CPRI0 to CPRI5
The following table lists the specifications of the CPRI ports on the UBRI.
Issue 03 (2013-05-27)
Table 3-78 describes the indicators.
Color
Red or green
describes the ports on the UBRI panel.
Connector
SFP female
connector
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Status
Steady green
Steady red
Blinking red (on for
1s and off for 1s)
Steady off
Quantity
6
3 BTS3900C Modules
Description
The CPRI link is
functioning properly.
An optical module
fails to receive signals
because of the
following reasons:
l The optical
module is faulty.
l The fiber optic
cable is broken.
The CPRI link is out
of lock because of the
following reasons:
l There is no mutual
lock between dual-
mode clock
sources.
l The data rates of
the CPRI ports do
not match each
other.
l The optical
module cannot be
detected.
l The CPRI cable is
not connected.
Description
Connecting the BBU
and the RF module
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