NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-4 14- 22 0  Revisio n 2.0   Page 3 o f 8
MCU  5000A Multipoint Control  U nit   INT-001
4. SYSTEM  

Page 4 o f 8   NECA 340 -41 4-2 20 Revisi on  2.0
INT-001   MCU 5000A Mult ipoint Con trol Unit
T ab le  1:  System Par ameters List ( 2 of 4) 

NECA 340-4 14- 22 0  Revisio n 2.0   Page 5 o f 8
MCU  5000A Multipoint Control  U nit   INT-001
Tab le  1:  System Par ameters List ( 3 of 4) 

Page 6 o f 8   NECA 340 -41 4-2 20 Revisi on  2.0
INT-001   MCU 5000A Mult ipoint Con trol Unit
T ab le  1:  System Par ameters List ( 4 of 4) 

NECA 340-414-220 Revision 2.0 Page 7 of 8
MCU 5000A Multipoint Control Unit INT-001
5. SYSTEM 
PARAMETER 
BACKUP ERROR 
PROCESSING5.01The system parameters are retained in the battery-powered memory even 
when the commercial electricity fails, but the  system-parameter contents may be 
destroyed by causes like the following:
(1) When power outage continued for many hours with the battery  in the 
dead state.
(2) The memory contents were caused to change due to replacement of a unit 
(chiefly an MCONT...

Page 8 of 8 NECA 340-414-220 Revision 2.0
INT-001 MCU 5000A Multipoint Control Unit
6. FUNCTION OF 
DBG SWITCH ON 
MCONT UNIT6.01
The function of the DBG Switch on MCONT unit is shown below.
Debug Initialization 
#7
: System parameter initialization switch
When starting the programs, the system parameter contents are tested and, on 
detecting an error, one of the following actions must be performed.
As a general rule, set the initialization switch to OFF.
OFF = not initializing, and halting program start...

NECA 340-414-220 Revision 2.0 Page 1 of 2
MCU 5000A Multipoint Control Unit SPR-001
CONSOLE INITIAL MESSAGE SETTING
CONSOLE RELATED
SUMMARY:
Set an initial message indication on console screen to ON or OFF when MCU is 
powered on.
 
STEP PROCEDURE 
1 Enter the following command.
SSPR__ n1 =  x1 __n2 = x2 __ … ni = xi … ¿
ni:
System parameter address00H
x
i:
System parameter values See below:
System parameter values on setting the initial message indication for each console.  The factory 
shipment value...

Page 2 of 2 NECA 340-414-220 Revision 2.0
SPR-001 MCU 5000A Multipoint Control Unit
This page is for your notes. 

NECA 340-414-220 Revision 2.0 Page 1 of 2
MCU 5000A Multipoint Control Unit SPR-002
CONSOLE COMMAND GENERATION SETTING
CONSOLE RELATED
SUMMARY:Set an automatic execution of console command to ON or OFF when MCU is
powered on.
STEP PROCEDURE
1 Enter the following command.
SSPR__ n1 =  x1 __n2 = x2 __ … __ ni = xi … ¿
ni:
System parameter address01H
x
i:
System parameter values See below:
System parameter values on setting the automatic execution.  The factory shipment value is 00H
.
SYSTEM PARAMETER...

Page 2 of 2 NECA 340-414-220 Revision 2.0
SPR-002 MCU 5000A Multipoint Control Unit
This page is for your notes.