Cisco Cisco Prisma II EDR Receiver Guia Da Instalação
2-4
Installation
78-715189-01 Rev C
Site Requirements,
Continued
Power Requirements
The Prisma II HEDA receives its electrical power from the Prisma II Chassis. The
module may be installed with the chassis powered-up.
Space Requirements
The Prisma II Headend Driver Amplifier is a single-width module. It is usually
installed in slots five through sixteen. Slots one through four are usually reserved for
the power supplies. Slots fifteen and sixteen may or may not be used with the
Intelligent Communications Interface Module (ICIM).
If an ICIM is not installed, any other module could be installed in these slots. Slot 2
If an ICIM is not installed, any other module could be installed in these slots. Slot 2
and slot 4 are reserved for an internal power supply if installed. If an internal power
supply is not installed here, any other module could be installed in these slots.
Chassis Style
The Prisma II Chassis may be ordered as front access or rear access depending on the
system you have purchased. Power inlets, RF inputs, RF outputs, and other
connectors may be located on either the front or rear of the Prisma II Chassis.
Connections to the chassis serve the same purpose and are made in the same manner
regardless of the location of the connectors or chassis configuration.