NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-414-210 Revision 2.0 Page 1 of 4
MCU 5000A Multipoint Control Unit GSD-008
PG/SIO Unit
Figure 1:   PG/SIO Unit
CN1
CN2SW 1(1)
RC 1~4 L
S14
S15
S16
S17
CN 4
CN 3
S8
S11INT 3
INT 4 EXT 1
EXT 2 S2
S5 INT 1
INT 2S3 S4 S6
S7 IN NOR DBGS 1IN
S 13
S 12
S 10
S 9SW 1
RC 1~4
CN 4
CN 38
1
RC 1
RC 2
RC 3
 RC 4C L0S
SLP 3
SLP 2
SLP 1
(a) SIDE VIEW (b) FRONT VIEW
E
(RED)
(AMBER)
(AMBER)
(AMBER)
 (LED)
SW 2
14
EXT 3
EXT 4CH 4
CH 1 

Page 2 of 4 NECA 340-414-210 Revision 2.0
GSD-008 MCU 5000A Multipoint Control Unit
Table 1: Switch and Strap Setting for PG/SIO Unit (1 of 3)
COMPONENTS FUNCTION SHIPPING  CONDITION
SW1 Set the baud rate of RS-232C interface (CH1 to CH4).
0:  SW ON state
1:  SW OFF state
*:  Setting at the time of shipment.
SW2 Set the external clock frequency to  extract from the network.
D1 D0 Baud rate
1 1 9600 bps
1 0 4800 bps
0 1 2400 bps
0 0 1200 bps
SW1 Setting Function
8D1
RS-232C CH4
Baud rate setting
7D0
6D1...

NECA 340-414-210 Revision 2.0 Page 3 of 4
MCU 5000A Multipoint Control Unit GSD-008
Table 1: Switch and Strap Setting for PG/SIO Unit (2 of 3)
COMPONENTS FUNCTION SHIPPING CONDITION
S1 Strap for debugging NOR side.
S2
S3
S4
S5
S6
S7With  regard  to  the control  signals  (CS,  DR,  CD,  ST2 clocks, RT clock)  
of  the RS-232C interface (CH1 to 4), these select either the normal 
operation (a signal from the remote communication side is fetched) or the 
fixed level. Side to be strapped is indicated...

Page 4 of 4 NECA 340-414-210 Revision 2.0
GSD-008 MCU 5000A Multipoint Control Unit
Table 1: Switch and Strap Setting for PG/SIO Unit (3 of 3)
Table 2: LED FUNCTIONS FOR PG/SIO UNIT
COMPONENTS FUNCTION SHIPPING CONDITION
S8
S9
S10
S11
S12
S13 S8 EXT3 side
S9 IN side
S10 IN side
S11 EXT4 side
S12 IN side
S13 IN side
S14
S15
S16
S17Set interrupting detect trigger (Edge trigger mode or Level trigger mode) 
which is caused by external clock OFF or internal clock phase slip in the unit 
to initialization of µ...

NECA 340-414-210 Revision 2.0 Page 1 of 4
MCU 5000A Multipoint Control Unit GSD-009
M CONT Unit
Figure 1:   M CONT Unit
ON
(a)   SIDE VIEW (b)   FRONT VIEW
CN1
CN2
 M CONT
 MS B
 LS B
 NMI
 RST
 SW 3
 MEM CARD ACCESS
 CN 4
 CN 3
 LED CHECK
 SW 4  CN 3  CN 4  RC 6 8
 1  SW 3 SW 2  SW 1  RC 7  RC 14 RC 14
 RC 7
 8
 1
MEMORY CARDCPU STATUS
DEBUG DBS
816
OFFON
 (LED)CPU
PCK CLK
BATTOFF
WDT
BATTERY 

Page 2 of 4 NECA 340-414-210 Revision 2.0
GSD-009 MCU 5000A Multipoint Control Unit
Table 1: Switch and Strip Setting for M CONT Unit (1 of 2)
Components Function Shipping Condition
SW1 (NMI) Re-start switch
Requests the CPU for NMI (Non-Maskable Interrupt) (Push On)_
SW2 (RST) Reset switch
Requests for CPU reset (Push On)_
SW3 (D IN) DIP switch for debugging
Board for input of data of 8 bit length
ALL OFF
SW4 (LMT) LED check switch (on-latch)
Lighting check of all units in the MCU
Set Up ® Normal Down...

NECA 340-414-210 Revision 2.0 Page 3 of 4
MCU 5000A Multipoint Control Unit GSD-009
Table 1: Switch and Strip Setting for M CONT Unit (2 of 2)
Components Function Shipping Condition
BATT Backup power control (ON/OFF)
When installed, should be set to ON side.OFF side
DBS External unit data bus selection (8 bits/16 bits) 8 side
CN3 (MON) RS-232C port
RS-232C port for debugging
Communications system: Full duplex
Communication rate: 9600 bps
Sync system: Asynchronous
Data type: Start bit 1
Data bit 8
Stop...

Page 4 of 4 NECA 340-414-210 Revision 2.0
GSD-009 MCU 5000A Multipoint Control Unit
Table 2: LED Function for M CONT Unit
Components Function Shipping Condition
RC7 thru 14
ST 1~8)CPU status
When normal
D7, D6:  RED
Except D7, D6:     
YELLOW
RC6 (MC) Memory card access
Lights when accessing the memory cardRED
LED# 14 13 12 11 10 9 8 7
bit D7D6D5D4D3D2D1D0
Task No. display
memory card battery 0: Voltage abnormal
voltage detection  1: Voltage normal
0 
® lit    1 
® unlit LED#1413121110 9 8 7
bit...

NECA 340-414-210 Revision 2.0 Page 1 of 4
MCU 5000A Multipoint Control Unit GSD-010
VDSW Unit
Figure 1:   VDSW Unit
CN1
CN2
S2
chL
chH
4
1 SW 2 SW1A
B LED8 LED7 LED6 LED5 LED4 LED3 LED2 LED1VDSW
CONF A
RC8
TOGGLE SW
4 P ANGLE PIN HEADER THUMB WHEEL SW
(a) SIDE VIEW(b) FRONT VIEW
CN 3LED1
JOIN
27 LED2
S3
chL
chH
S1
NOR
DBG
PN ERR
PN RCV
LED9CONF B
LED3
LED4
LED5
LED6
LED7
LED8
LED9
LED11
LED10PN ERR
PN RCVRC1
RC4
RC1
RC4
RC1
RC4
RC1
RC4
RC1
RC4
RC1
OPE
VIDEO
LSD1
MLP/LSD2
HSD 

Page 2 of 4 NECA 340-414-210 Revision 2.0
GSD-010 MCU 5000A Multipoint Control Unit
Table 1: Switch and Strap Setting for VDSW Unit
COMPONENTS SETTING FUNCTION SHIPPING CONDITION
CONF A/B 
(Toggle SW, 
SW1)Selects the status indication of conference A.
(Toggle SW is in up state.) 
Selects the status indication of conference B.
(Toggle SW is in down state.)
MON SEL
(Thumb wheel 
SW, SW2)_Selects the output (CH1-CH8) for monitor.
Select Channel No. Displayed (SW No.)
CH1 0
CH2 1
CH3 2
CH4 3
CH5 4
CH6 5
CH7...