6 Installing the Service Subrack
Remove IEC mounting ears
• The MA5800-X7 service subrack is configured with IEC (19-inch) mounting ears by default.
The MA5800-X7 subrack can be mounted in an IEC cabinet or rack. To install the MA5800-X7
subrack in an ETSI cabinet, uninstall the IEC mounting ears, and then install the ETSI (21-
inch) mounting ears.
• Before installing the service subrack, it is advised to install cable managers or sliding rails in
the cabinet or rack for supporting the service subrack.
Install the lower cable manager
Install the service subrack
and upper cable manager
Locate the installation
positions of the cable
manager and service subrack
on the mounting bars, and
install captive nuts at these
positions.
Captive nut
Mounting bar (use a flat-
head screwdriver if no
mounting bar is available.)
Phillips screwdriver
Lower cable manager
Upper cable manager
Service subrack
Cable manager（between
mounting ear and service subrack）
Install ETSI mounting ears
6.1 Installing the Service Subrack in an ETSI Cabinet
7
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