Cisco Cisco 1 GHz GainStar Amplifier 安装指南
Installation and Configuration
23
System Power
System Power (44 to 90 VAC)
The GainStar Line Extender draws AC power from the coaxial cable. This AC power
comes from an external AC power supply.
comes from an external AC power supply.
CAUTION:
RF connectors and housing seizure assemblies can be damaged if
AC shunt power directors are not removed from the GainStar Line
Extender before installing.
AC shunt power directors are not removed from the GainStar Line
Extender before installing.
Power can come from the input or output ports, and each GainStar Line Extender
can pass or block AC power flow on any port without affecting the RF continuity.
However, at least one port must pass AC power to bring power into the GainStar
Line Extender.
To set the power direction, install AC shunt power directors for the ports through
which you wish to pass AC.
Note: A red AC shunt power director is included in the unit. The red shunt is used
to activate the port that supplies power. The red shunt should be removed before
installing or removing the RF module from the housing.
can pass or block AC power flow on any port without affecting the RF continuity.
However, at least one port must pass AC power to bring power into the GainStar
Line Extender.
To set the power direction, install AC shunt power directors for the ports through
which you wish to pass AC.
Note: A red AC shunt power director is included in the unit. The red shunt is used
to activate the port that supplies power. The red shunt should be removed before
installing or removing the RF module from the housing.
CAUTION:
RF connectors and housing seizure assemblies can be damaged if
AC shunt power directors are not removed from the GainStar Line
Extender before installing or removing the GainStar Line Extender
module from the housing.
AC shunt power directors are not removed from the GainStar Line
Extender before installing or removing the GainStar Line Extender
module from the housing.
Before powering up the GainStar Line Extender, make sure all accessories are
installed and properly seated.
Important: The Main, Aux and RF input ports are the RF/ Power Ports.
installed and properly seated.
Important: The Main, Aux and RF input ports are the RF/ Power Ports.
Main
Aux
RF Input Port