NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-414-100 Revision 2.0Page v
MCU 5000A Multipoint Control Unit List of Tables
List of Tables
Table 2-1: MCU 5000A Unit Component..................................................................  3
Table 2-2: MCU 5000A Cable Component ...............................................................  4
Table 3-1: Line Rate ................................................................................................  12
Table 3-2: Number of Logical Lines...

Page viNECA 340-414-100 Revision 2.0
List of Tables MCU 5000A Multipoint Control Unit
This page is for your notes. 

NECA 340-414-100 Revision 2.0Page 1
MCU 5000A Multipoint Control Unit General Description Manual
1:  GENERAL
A:  Overview 1.01
The MCU 5000A is a network control equipment which interconnects the 
plural remote teleconference terminals  in  multimedia  conference  system.   The  
MCU 5000A  transmits  audio, motion/still picture image, etc. via transmission 
line.  The MCU 5000A located at the center in the network as the radical topology, 
performs the line connection, video signal switching, and audio...

Page 2NECA 340-414-100 Revision 2.0
General Description Manual MCU 5000A Multipoint Control Unit
This page is for your notes. 

NECA 340-414-100 Revision 2.0Page 3
MCU 5000A Multipoint Control Unit General Description Manual
2:  SYSTEM CONFIGURATION
A: Basic 
Configuration2.01
The combination of units as shown in the Table 2-1 is required depending 
on the line type or number of lines.
B: Option Line Growth
2.02
To expand any teleconference terminal into MCU system, the line 
interface increasing is required only.  In conformity with the line interface, one of 
the following units is added in the MCU  5000A.
• 1.5M LIF unit: 4...

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General Description Manual MCU 5000A Multipoint Control Unit
Connecting Cable 
2.04
The connection between MCU 5000A and teleconference terminals is 
performed by the connecting cable required for user specification.  Table 2-2 
shows the cable components of MCU 5000A.
Accessories
2.05
The accessories for MCU 5000A are as follows.
• Mounting Screws on subrack (Special screw): 8 pcs.
• Connector for LIF interface (D-sub 15-pin) : 16 pcs.
• Power connection cable : 1...

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MCU 5000A Multipoint Control Unit General Description Manual
3:  SYSTEM FEATURES
A: Basic Connection 3.01
The MCU 5000A rearplate contains sixteen line connection ports, eight 
HSD data ports, and four RS-232C interface ports. These ports are located   on   as    
shown in  Fig. 3-1. Refer to  the 
NECA 340-414-210.
3.02
The line connection ports (LIF: CH 1 to CH 16) access to the line of the 
teleconference terminal. 
 The MCU 5000A  cascade-connection is required to...

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General Description Manual MCU 5000A Multipoint Control Unit
C: Start-up of 
EquipmentStart-up
3.05
Turn ON the power switch inside of the MCU 5000A front cover after 
confirm the memory card is installed.  The memory card is of SRAM or ROM  
type and backed up by a lithium battery.  The operation program for the MCU 
5000A is registered in the memory card and downloaded at system starting.  The 
system start-up has completed  normally following message is displayed in...

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MCU 5000A Multipoint Control Unit General Description Manual
Multipoint Teleconference (RCON)
3.10
Multipoint teleconference is the teleconference system as the terminals of 
more than three points with the console or wireless remote controller of terminal 
is connected.
3.11
The video, audio, and control data are extracted from H.221 frame signal, 
and MCU 5000A processes and controls such as video switching and audio sum 
with their data. Their data is multiplexed...

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General Description Manual MCU 5000A Multipoint Control Unit
Multipoint Teleconference (MCON)
3.12
Multipoint teleconference is the teleconference system as the terminals of 
more than three points with the console or wireless remote controller of terminal 
is connected.
3.13
The video, audio, and control data are extracted from H.221 frame signal, 
and MCU 5000A processes and controls such as video switching and audio sum 
with their data. Their data is multiplexed...