User`s manual

General Information
2 800032-01 Rev. G www.wegener.com
1.2 Unity 4600 Overview
Functional
Description
The Wegener Model Unity 4600 Digital Media Receiver/Decoder is a fully DVB-compliant
satellite video IRD. The
Unity 4600 receives an L-band RF carrier from an external LNB,
demodulates the carrier, extracts the MPEG transport stream, and provides the
decompressed program or programs to DVB-ASI, composite video, and/or stereo audio
outputs.
Features include:
 Control by local user or remote COMPEL
®
system
 Download of software application upgrades via satellite
 Supports COMPEL
®
/CA Conditional Access at transport level or by program
 Supports receiver card options using either DVB-QPSK or Advanced Turbo-Modulations
(Turbo-QPSK, T-8PSK, or T-16QAM)
 DVB-ASI transport stream output with network-controlled program mapping
 Supports ISO 13818-1 transport rates from 2.5 to 55 Mbps (with local decompression) or up
to 86.25 Mbps (to program-mapped ASI transport only)
 Local decompression of MPEG-2 video and MPEG-2 (L1 and L2) and/or Dolby AC-3 audio
 Auto-recognition and support of 525-line NTSC or 625-line PAL
 Audio-only mode option for radio networks
 Cueing relays and DTMF cue tone outputs standard (DTMF available only on units built
before 10/07)
 Alarm relay
 Cueing relays
 Optional SCTE 35 DPI message filter for network control of local ad avails
 Optional front-panel audio and video monitors
 Web browser control (August 2004)
Physical
Description
The Unity 4600 is housed in a standard, 1 RU, rack-mountable chassis. Its front panel (see
Figure 1.1) provides a user interface through six push buttons and an LCD as well as
monitoring through both audio and video ports. The rear panel holds connectors for input
and output signals, LNB power supply, serial and Ethernet monitoring and control, alarm
and user relays, and AC input power. The unit also includes two Unity expansion module
slots.
Figure 1.1: The Unity 4600 Digital Media Receiver/Decoder