Huawei BTS3900C, Hardware Description

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The UBRI provides six indicators indicating the status of the CRRI links. The indicators are
above the SFP ports.
Table 3-78 describes the indicators.
Table 3-78 CPRI port status indicators
Silkscreen Color Status Description
CPRIx Red or green Steady green The CPRI link is
functioning properly.
Steady red 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.
Blinking red (on for
1s and off for 1s) 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.
Steady off l The optical
module cannot be
detected.
l The CPRI cable is
not connected.
Ports
Table 3-79 describes the ports on the UBRI panel.
Table 3-79 Ports on the UBRI panel
Silkscreen Connector Quantity Description
CPRI0 to CPRI5 SFP female
connector 6 Connecting the BBU
and the RF module
The following table lists the specifications of the CPRI ports on the UBRI.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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