Chapter 2 Introduction
General Features
© 2012 Harmonic Inc.
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Electra 1000, Version 3.0, Rev M
Video input
Up to four video encoders per chassis
Accepts 525-line (NTSC) and 625-line (PAL) standard serial
digital and analog composite video in the same chassis.
525-line analog may be either NTSC or PAL-M
Accepts 525-line serial digital video.
Audio input
Digital and analog stereo inputs
Up to 10 stereo pairs
Up to 20 mono channels using a single PID per channel with
MPEG-1Layer II compression
Complete embedded audio extraction of eight pairs from four
groups, from serial digital video input (48 kHz synchronous to
video only)
AAC and HE AAC
a
stereo compression optional
HE AACv2
Transcoding of Dolby-E into Dolby Digital 5.1 with backup from
PCM, plus simultaneous 2.0 encoding from PCM into AC3 on
on-board /AIC board
Transcoding of Dolby Digital into Digital Plus (5.1, 2.0)
AHC-561 Dolby-E decode 5.1 (2.0). Only port 1 is capable of
Multichannel (3/2) on the AHC-561 or AHC-RAC.
Fixed Audio Gain (AIC card)
Low Delay Audio Encoding
Audio description for audio coding (AIC RAC and on-board
audio)
Dolby Digital Plus passthrough
IP output
MPEG-2 Transport Stream (TS) over UDP
One 10/100/1000 Base-T port with second redundant
channel/connector
Dual-mode IP output or manual channel switch for redundancy
Hot/warm standalone IP channel redundancy
Same-source IP output support
Automatic port redundancy
UDP encapsulation support
Unicast and multicast address support
Ping and ARP support
Single-program transport stream (SPTS) and multiple-program
transport stream (MPTS) outputs
Null packets can be preserved to match the exact rate of SPTS
(video server integration)
Connector type: RJ-45
DPI support
SCTE104
SCTE104 messaging for 525-compatibility
PSI support
Generated by NMX when managed by NMX
Alarms
Current and history alarm logs in NMX Alarm Manager
SNMP alarm forwarding
IRIS™ Support
Data reporting (loss/corrupted and silent audio) of input audio
Table 2-1: General Features
continued
Feature
Description