Cisco Cisco 1 GHz GainMaker Amplifier Guía De Instalación
Chapter 2 Installation and Configuration
38
Removing and Installing AC Shunt Power
Directors
Directors
The line extenders draw AC power from the coaxial cable. This AC power comes
from an external AC power supply.
from an external AC power supply.
WARNING:
When AC is applied from RF ports to units downstream, the downstream
equipment shall also be located in a restricted access location (access restricted
to service personnel).
equipment shall also be located in a restricted access location (access restricted
to service personnel).
Power can come from the input or output ports, and each line extender can pass or
block AC power flow on any port without affecting RF continuity. However, at least
one port must pass AC power to bring power into the line extender.
block AC power flow on any port without affecting RF continuity. However, at least
one port must pass AC power to bring power into the line extender.
To set the power direction, install AC shunt power directors for the ports through
which you wish to pass AC.
which you wish to pass AC.
Note: A red AC shunt power director is included with 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 line extender module from the housing.
used to activate the port that supplies power. The red shunt should be removed
before installing or removing the line extender module from the housing.
CAUTION:
RF connectors and housing seizure assemblies can be damaged if AC shunt
power directors are not removed from the line extender before installing or
removing the line extender module from the housing.
power directors are not removed from the line extender before installing or
removing the line extender module from the housing.
To Remove and Install AC Shunt Power Directors
Complete the following steps to remove and install AC shunt power directors.
1 Open the housing. Refer to To Open the Line Extender Housing (on page 15).
2 To remove a power director, pull it straight out from the line extender module.
1 Open the housing. Refer to To Open the Line Extender Housing (on page 15).
2 To remove a power director, pull it straight out from the line extender module.