Huawei DBS3900 IBS, Hardware Description, Page: 13 / 28

DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
2 DRH Introduction
Issue DraftA (2013-08-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
7
Indicator
s Color Status Description
1s and off for 1s) channels disabled.
VSWR Red Steady off No Voltage Standing Wave Ratio (VSWR)
alarm is generated.
Steady on VSWR alarms are generated.
CPRI0 Red or
green Steady green The CPRI link is functioning properly.
Steady red An optical module fails to transmit or
receive signals because the optical module
is faulty or the fiber optic cable is broken.
Blinking red (on
for 1s and off for
1s) The CPRI link is out of lock because of
failure in clock lock between two modes or
mismatched data rates over CPRI ports.
Steady off The optical module cannot be detected, or
the CPRI cable is not connected properly.
CPRI1 Red or
green Steady green The CPRI link is functioning properly.
Steady red
An optical module fails to transmit or
receive signals because the optical module
is faulty or the fiber optic cable is broken.
Blinking red (on
for 1s and off for
1s) The CPRI link is out of lock because of
failure in clock lock between two modes or
mismatched data rates over CPRI ports.
Steady off
The optical module cannot be detected, or
the CPRI cable is not connected properly.
2.6 DRH Antennas(Only for U.S.A and Canada)
Type Description
Omnidirectional Ceiling
Antenna Frequency
：
698MHz to 2700MHz
；
Maximum gain
：
5dBi
Directional Ceiling Antenna
Frequency
：
698MHz to 2700MHz
；
Maximum gain
：
6dBi
Wall Mount Antenna
Frequency
：
698MHz to 2700MHz
；
Maximum gain
：
8dBi
Yagi Directional antenna
Frequency
：
698MHz to 2700MHz
；
Maximum gain
：
11dBi