Руководство По Установке для Cisco DNCS System Release 2.7 3.7 4.2
Glossary
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Field-return DHCT
A DHCT that has been removed from the subscriber’s home has been returned to the cable
service provider for service or repair.
flash memory (ROM)
Nonvolatile storage that can be electrically erased and reprogrammed so that software images
can be stored, booted, and rewritten as necessary.
FTP
File Transfer Protocol. A method used to exchange files between computers on a network or
the Internet using the TCP/IP protocol.
G
Guardian mode
A process that monitors the correct and accurate loading and flashing of critical software
elements for DHCTs.
I
instant hit
A transaction from the DNCS or billing system that initiates the transmission of all existing
EMMs to the device being staged.
IPPV
impulse pay-per-view. Service for which cable subscribers can electronically order program
events using two-way (or reverse path) methods. Subscribers are charged a user fee for
individual program events. See also PPV.
L
LED
light-emitting diode. Semiconductor device that converts electrical energy into light. Status
lights on hardware devices are typically LEDs.
M
MAC address
Media Access Control address. A unique physical address embedded into a network device.
Similar to a serial number.
modulator
A device that sends control and authorization information from the DNCS to the DHCT.
MSO
multiple system operator. A cable company that operates more than one cable system.