Cisco Cisco Digital Service Access Node (DSAN) 8200 Installation Guide
Chapter 3 Hardware Installation
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Removing and Installing AC Shunts
The DSAN draws AC power from the coaxial cable. This AC power comes from an
external AC power supply.
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).
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).
Power can come from the input or output ports, and each AC shunt 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 DSAN.
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 DSAN.
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 RF module from the housing.
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 RF module before installing or
removing the RF module from the housing.
RF connectors and housing seizure assemblies can be damaged if AC shunt
power directors are not removed from the RF module before installing or
removing the RF module from the housing.