Huawei BTS3900C - Page 76

Silkscreen Color Status Description
Steady off
l The optical
module cannot be
detected.
l The CPRI cable is
not connected.
The LBBPd provides an indicator that indicates the Quad Small Form-factor Pluggable (QSFP)
link status. The indicator is above the QSFP port. Table 3-52 describes the indicator.
Table 3-52 QSFP link status indicator
Silkscreen Color Status Description
HEI Red or green Steady green The inter-BBU
transmission link is
functional.
Steady red An optical module
fails to receive or
transmit 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 interconnection
link is out of lock
because of the
following reasons:
l There is no
mutual lock
between two
interconnected
BBUs.
l The data rates of
the QSFP ports do
not match each
other.
Steady off
The optical module
cannot be detected.
Ports
Table 3-53 describes the six CPRI ports on the LBBP panel.
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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