Cisco Model D-PCG1000 PowerKEY CAS Gateway Installation Guide
Chapter 2 Installing the DAVIC QPSK Demodulator
12
78-545617-01 Rev F
Installation Prerequisites
Introduction
This section describes the rack, power, and operating temperature requirements for
the QPSK demodulator.
Rack Requirements
The QPSK demodulator fits into a standard rack mount type: EIA RS-310.
CAUTION:
When installing the QPSK demodulator into a rack, be careful not to tangle or
When installing the QPSK demodulator into a rack, be careful not to tangle or
strain interconnecting cables.
In order to allow for proper ventilation and cooling, do not stack more than
In order to allow for proper ventilation and cooling, do not stack more than
eight demodulators consecutively in the rack.
Power Requirements
The QPSK demodulator requires a power source with the following specifications.
Item
Specification
Voltage
48 V DC model—42 V DC to –56.7 V DC
115 V AC model—90 V AC to 260 V AC
WARNING:
Avoid damaging the QPSK demodulator and creating a
possible fire hazard! Do not connect the QPSK
demodulator to an incorrect power source.
Power
< 25 W
Connector
Specifications
48 V DC model—Terminal Block
115 V AC model—3-prong male socket
Line frequency
47 Hz to 63 Hz ± 5%