User manual

User Manual
Overview
Page 1-14 (Rev. 2.0 /August 2005)
1.5.2.8. IRD-2991 Interfaces and Features
The IRD-2991 is a dual 4:2:0 decoders IRD. The IRD-299x family consists of three
composite video interfaces. The CVBS #1 connector is for a broadcast quality video
of decoder #1. The CVBS #2 can be used for monitoring. The CVBS #3 connector is
for broadcast quality video of decoder #2.
Figure 1-11 illustrates the IRD-2991 rear panel. The IRD-2991 basic features and
software-licensed features are described below.
Figure 1-11: IRD-2991 Rear Panel
Basic Features
• 3 composite video Interfaces
• 2 SDI interfaces
•
Embedded VBI and up to 4 stereo channels in SDI
• 4 analog-audio-stereo balanced interfaces
• 1
st
Active analog stereo pair
•
2
nd
Active analog stereo pair
• 3
rd
Active analog stereo pair
• 4
th
Active analog stereo pair
•
4 AES/EBU-SPDIF audio unbalanced interface
• 1
st
and 2
nd
Active AES/EBU-SPDIF
• 3
rd
Active AES/EBU-SPDIF
•
4
th
Active AES/EBU-SPDIF
• SNMP management (10/100 Base-T)
• Web-based management (10/100 Base-T)
•
RS-232 low speed data
• GPI
Software-Licensed Features
• ASI input
• Dual ASI output
•
MPEG-over-IP output
• IP data output (MPE de-capsulation)
• Dolby Digital (AC-3) LT/RT downmixing
•
Linear PCM (SMPTE 302M 2000), Dolby-E
Pass-through
NOTES
This model requires a breakout cable to connect to the 3rd and 4th analog stereo pairs.
In the case of power failure or system shutdown, ASI OUT 1 output will become ASI loop-through. Use ASI OUT
1 output for cascading a chain of IRD-2900