NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-4 14- 10 0  Revisio n 2.0   Page 49
MCU 5000A Multipoint Control  U nit   General Description Manual
J:  VDSW Unit  General 

Page 50NECA 340-414-100 Revision 2.0
General Description Manual MCU 5000A Multipoint Control Unit
Figure 4-15:   Block Diagram of VDSW Unit
S/P
SW
P/SHSCX
INF
HSCX
HSCX
HSCX
HSCX SEL SELS/P
SW
P/S
PN PTN
GEN/CHK
88 8
8
8
88
8
8
8
8
88
8
88
8CPU
BUS
MLP R
MLP S
LSD R
LSD S
MD R
MD SSW 

NECA 340-414-100 Revision 2.0Page 51
MCU 5000A Multipoint Control Unit General Description Manual
5:  SOFTWARE
5.01
The RX136 operating system of the control real-time/multitask OS is 
used in the MCU 5000A.  The RX136 OS conforms to the ITRON specifications. 
5.02
The multitask operation is established that each control task is executed 
per each function, and also each driver task is executed per each hardware.  The 
individual task is independently separated under that OS.  Each task operation...

Page 52NECA 340-414-100 Revision 2.0
General Description Manual MCU 5000A Multipoint Control Unit
Console Control (CC)
• Internal formal conversion of console command/indication
• Exclusive control of CD1 to CD3
• Teleconference control indication ON/OFF (each console)
• Execution of command terminated within CC
• Command send/receive in cascade-connection mode
• Slave console control
• Console through-pass control
• Overlay of program file in CPMC
Console Driver (CD1 to CD3)
• RS-232C port input/output...

NECA 340-414-100 Revision 2.0Page 53
MCU 5000A Multipoint Control Unit General Description Manual
Picture Switching (PS)
• Picture Switching of conference room
• HSD switching
Voice Input/Output Control (VC)
• Audible (voice) teleconference group setting 
• Voice detection
• Audible alert sending
Multipoint Control (TCA, TCB)
• Teleconference management
• Video signal switching control by voice (talker) signal
• Video signal switching control from terminal request
• Operator management
• Voice detection...

Page 54NECA 340-414-100 Revision 2.0
General Description Manual MCU 5000A Multipoint Control Unit
Figure 5-1:   MCU 5000A Task Diagram
LM
CM LCI FHn114
BCx18
BDn18
LDn18
TCx
VC PS
RM
TM MD
LO CG CDn13
CC LX LCXLCA
OS (RX-136)
TCx: TCA, TCB
BCx: BCA, BCB
DCx: CD1~CD3
LDn: LD1~LD8
BDn: BD1~BD8
FHn: FH1~FH14 

NECA 340-414-100 Revision 2.0Page 55
MCU 5000A Multipoint Control Unit General Description Manual
Figure 5-2:   MCU 5000A Memory Mapping
MEMORY CARD
COPY AREA
NOT USED
NOT USED
BCB
BCA
TCB
TCA
PS
LX
LCI
LCR
LCA
LM
RM
CG
CC
CM BANK 14
BANK 13
BANK 12
BANK 11
BANK 10
BANK 9
BANK 8
BANK 7
BANK 6
BANK 5
BANK 4
BANK 3
BANK 2
BANK 1400000H
300000H
2E0000H
2C0000H
2A0000H
280000H
260000H
240000H
220000H
200000H
1E0000H
1C0000H
1A0000H
180000H
160000H
140000H
120000H
100000H
128 KBYTE
ROM
MEMORY CARD BANK
SRAM...

Page 56NECA 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 57
MCU 5000A Multipoint Control Unit General Description Manual
6:  SPECIFICATIONS
A: Physical 
Specification6.01
The MCU 5000A is installed in the 19-inch subrack.  Fig. 6-1 shows the 
outline of the MCU 5000A.  The rear view of MCU 5000A is shown in Fig. 6-2.    
The installing units layout in the subrack is illustrated in Fig. 6-3.  The MCU 
5000A unit component is listed in Ta b l e  2 - 1 in paragraph 2.01.
B: Electrical 
Specification6.02
The electrical...

Page 58NECA 340-414-100 Revision 2.0
General Description Manual MCU 5000A Multipoint Control Unit
Figure 6-2:   Detailed Rear View of MCU 5000A
RS-232CHSD IFLIF
CH1
CH5CH1
CH13CH9
CH5
CH1
CH2
CH6CH1CH14
CH10CH6
CH2
CH3CH7
CH3
+++
FGSGCH15CH11
CH7
CH3
CH4
CH8
CH4CH16
CH12
CH8CH4
* RC-232C
CONNECTORAC  P OW E REARTH
TERMINALHSD IF
CONNECTORLIF
CONNECTORNAME
PLATE
LIST OF CONNECTORS
CONNECTOR NAME CONNECTOR PIN QUANITY
LIF CH1 - CH16 15 pins
HSD IF CH1 - CH8 15 pins
RS-232C CH1 - CH4 25 pins
* :  
THE CH4...