NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-414-210 Revision 2.0 Page 1 of 2
MCU 5000A Multipoint Control Unit GSD-001
1.5M LIF Unit
Figure 1:   1.5M LIF Unit
NORTESTNOR
TEST
1.5 M LIF
SW 1
RC1~RC8SW 1
CN  4
CN  3 RC1~RC8
RC   8
6
RC  17
5
4
3INF  4
INF
INF
INF 3
 2
 1(AMBER)
(AMBER)
CN 1
CN 2CN 4
CN 3
(a) SIDE VIEW (b) FRONT VIEW
(AMBER) (AMBER)
(LED)2
S1
S2
Table 1: Switch and Strap Setting for 1.5M LIF Unit
Component Setting Function Shipping Condition
S1
TEST sideAccess to CPU irrespective of slot address for mounting 
position of...

Page 2 of 2 NECA 340-414-210 Revision 2.0
GSD-001 MCU 5000A Multipoint Control Unit
 
Table 2: LED Functions for 1.5M LIF Unit
COMPONENT INF NO. ALARM FUNCTION Remarks
RC1
CH 1
(CH 5)
(CH 9)
(CH 13)REC NOS (input loss), LOS (out of sync)
AIS AIS (network side fault)
RC2RAI RAI (remote alarm)
NORMAL Other than the above alarms or normal.
RC3
CH 2
(CH 6)
(CH 10)
(CH 14)REC NOS (input loss), LOS (out of sync)
AIS AIS (network side fault)
RC4RAI RAI (remote alarm)
NORMAL Other than the above alarms or...

NECA 340-414-210 Revision 2.0 Page 1 of 4
MCU 5000A Multipoint Control Unit GSD-002
RS-422 LIF Unit
Figure 1:   RS-422 LIF Unit
Strap S11 ~ S22 according to Ta b l e  1.
S3
1   00
0
1 0
S11
S5
S6
S
M S7
0
1   0
S8
1 0
RC1
RC3 RC4 RC5 RC6 RC8
CH  4 (AMBER)
CH  3 (AMBER)
CH  2 (AMBER)
CH  1 (AMBER)
(LED)RC7
RC2
CN 4
CN 3
CN  3CN  4 RC8~RC1SW 1 RS-422/HSD IF
SW 1
RC1~RC8 CN 1
CN 2
TEST
NOR S21
S22HSD
LIF
S121
0
1M SS9
S1
S2
1 1
0M S
0
T
0 T0
0
T 0T
T
0T0
0
T T
0S
MS10
S17 S16
S15
S14
S13
S20
S19
S18
(a)...

Page 2 of 4 NECA 340-414-210 Revision 2.0
GSD-002 MCU 5000A Multipoint Control Unit
* Standard Setting
¬Indicate the connection between MCU and DCE with I/F device.
 (Straight conversion cable usage.) 
ÁIndicate the connection between MCU and DTE with I/F device.
 (Cross conversion cable usage.) 
ÂIndicate the connection between MCU and X.21 (DCE) with I/F device.
 (Straight conversion cable usage.)
 
When shipping, Switches and Straps are get 
¬ position.
Table 1: Strap Setting for RS-422 LIF (1 of 2)...

NECA 340-414-210 Revision 2.0 Page 3 of 4
MCU 5000A Multipoint Control Unit GSD-002
* Standard Setting
¬Indicate the connection between MCU and DCE with I/F device.
 (Straight conversion cable usage.) 
ÁIndicate the connection between MCU and DTE with I/F device.
 (Cross conversion cable usage.) 
ÂIndicate the connection between MCU and X.21 (DCE) with I/F device.
 (Straight conversion cable usage.)
 
When shipping, Switches and Straps are get 
¬ position.
Table 1: Strap Setting for RS-422 LIF (2 of 2)...

Page 4 of 4 NECA 340-414-210 Revision 2.0
GSD-002 MCU 5000A Multipoint Control Unit
Note:  (   ) indicates the channel number for LIF2/3/4 unit, respectively.
Table 2: Switch Setting for RS-422 LIF
COMPONENT SETTING FUNCTION SHIPPING CONDITION
SW1 -
Set the following loop:
1. CH1 F point  Local Loop
2. CH1 F point Remote Loop
3. CH2 F point  Local Loop
4. CH2 F point Remote Loop
5. CH3 F point  Local Loop
6. CH3 F point Remote Loop
7. CH4 F point  Local Loop
8. CH4 F point Remote LoopALL OFF
OFF...

NECA 340-414-210 Revision 2.0 Page 1 of 4
MCU 5000A Multipoint Control Unit GSD-003
H0-INF  Unit
Figure 1:   H0-INF  Unit
CN5 PIIFC CH2 DEBUG (RS-232C RxD, TxD GND)
CN 4,5 SW 1
LIF 
CH 2 PHYSICAL STATE (AMBER)
CH 2 F/W ALARM (RED)  CH 2 LAYER 2 INDICATION (GREEN)   CH 2 PHACT (GREEN) 
CH 1 PHYSICAL STATE (AMBER)
CH 1 F/W ALARM (RED)  CH 1 LAYER 2 INDICATION (GREEN)   CH 2 PHACT (GREEN) 
PIIFC CH2 
PIIFC CH1 
GND
4
1 SW 1
RC 12
RC 6
SW 3
SW 2 8
1
4
1
4
1 RC 12
RC 7
RC 6
RC 1
SW 3
SW 2
CN 5
CN 4CN 3
CN 1...

Page 2 of 4 NECA 340-414-210 Revision 2.0
GSD-003 MCU 5000A Multipoint Control Unit
Table 1: Switch and Strap Setting for H0-INF Unit
Component Setting Function Shipping Condition
S1 TEST  side Access to CPU irrespective of slot address for mounting 
position of unit.NOR side
NOR side Normal condition
S2 - Line Switch (CH1) INS side
T1 side Private Line (~1.5M)
INS side INS NET 1500
S3 - Line Switch (CH2)
T1 side Private Line (~1.5M)
INS side INS NET 1500
S4 NOR side Normal condition
NOR side
TEST  side...

NECA 340-414-210 Revision 2.0 Page 3 of 4
MCU 5000A Multipoint Control Unit GSD-003
Table 2: LED Functions for H0-INF Unit
LED NO. STATE FUNCTION LED COLOR
RC 1
lV40 F/W alarm for CH1 RED
RC 2
lLayer 2 Normal Operation for CH1
GREEN mLayer 2 Not Normal for CH1
RC 3
lLayer 1 Normal Operation for CH1
mLayer 1 Not Normal for CH1
RC 4
RC 5
RC 6RC 4 RC 5 RC 6 Physical state indication for CH1
mmmNormal Operation
YELLOW lmmRAI receive
llmLoss of signal, Out of frame
mlmAIS receive
mmlRAI or Continuous CRC...

Page 4 of 4 NECA 340-414-210 Revision 2.0
GSD-003 MCU 5000A Multipoint Control Unit
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