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Interface
Mark
Function
Type of Connector
Secondary branch
interface
STD BY
Connects to the standby
ODU.
153IEC-R320 (28/32
GHz frequency band)
0.219" dia (38 GHz
frequency band)
Figure 2-2
Interfaces of the hybrid coupler with coaxial interfaces
Antenna interface
Primary branch interface
Secondary branch interface
Table 2-2
Description of the interfaces of the hybrid coupler with coaxial interfaces
Interface
Mark
Function
Type of Connector
Antenna interface
-
Connects to the antenna. UDR70
Primary branch
interface
a
MAIN
Connects to the active
ODU.
Type-N (female)
Secondary branch
interface
a
STANDBY
Connects to the standby
ODU.
NOTE
a: The primary branch interface or secondary branch interface of a hybrid coupler that has coaxial interfaces
is connected to ODUs through an RF cable.
2 Hybrid Coupler
OptiX RTN 600 ODU
Hardware Description
2-4
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 06 (2010-05-30)