NEC Mcu 5000a Multipoint Control Unit Equipment Manual
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Page 131
NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-006 MOUNT UNIT TO SHELF GENERAL: This procedure describes instruction for mounting unit to MCU 5000A shelf. APPARATUS: 2224 Charge-Guard Adjustable Wrist Strap (3M) or equivalent. SUPPORT DATA: None STEP PROCEDURES 1WARNING: TO PREVENT DAMAGE TO THE ELECTROSTATICS SENSITIVE DEVICES USED IN THE MCU 5000A, ALWAYS WEAR A WRIST STRAP WHEN INSTALLING UNITS. Attach the 2224 adjustable wrist strap or equivalent to the wrist...
Page 132
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-006 MCU 5000A Multipoint Control Unit MOUNT UNIT TO SHELF Figure 1: How to Insert Unit STEP PROCEDURES 9 Prepare the same kind unit in numerical order. 10 Install the unit in the appropriate slot of the shelf (See Fig. 2). 11 Remove the 2224 adjustable wrist strap and disconnect from ESD connector on the MCU 5000A. 12 End of procedure. UNIT ABBREVIATION (a) Location of Unit Abbreviation UNIT ABBREVIATION KNOB FOR LOCKING UNIT LABEL (b) Mounting...
Page 133
NECA 340-414-210 Revision 2.0 Page 3 of 4 MCU 5000A Multipoint Control Unit INP-006 Figure 2: How to Install Unit FRONT BOTTOM UNIT EJECTORTOP UNIT EJECTOR UNIT LOWER GUIDE
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Page 4 of 4 NECA 340-414-210 Revision 2.0 INP-006 MCU 5000A Multipoint Control Unit This page is for your notes.
Page 135
NECA 340-414-210 Revision 2.0 Page 1 of 2 MCU 5000A Multipoint Control Unit INP-007 REMOVE UNIT FROM SHELF GENERAL: This procedure describes instruction for removing unit out of MCU 5000A shelf. APPARATUS: 2224 Charge-Guard Adjustable Wrist Strap (3M) or equivalent. SUPPORT DATA: None STEP PROCEDURES 1WARNING: TO PREVENT DAMAGE TO THE ELECTROSTATIC SENSITIVE DEVICES USED IN THE MCU 5000A, ALWAYS WEAR A WRIST STRAP WHEN REMOVING UNITS. Attach the 2224 adjustable wrist strap or equivalent to the...
Page 136
Page 2 of 2 NECA 340-414-210 Revision 2.0 INP-007 MCU 5000A Multipoint Control Unit Figure 1: Release the Unit Figure 2: How to Remove Unit H221 MUX LED 16 9 8 1 DSW 1 ON OFF ON OFF DBG NOR DBG NOR S4 S5 S6MUX SCU 232 WDT 256 512 S7PROM S8S9 CN1 CN2 SAMLB FRS S1ON OFF ON OFFSW 1 S3 NORNOR FRONT BOTTOM UNIT EJECTOR TOP UNIT EJECTOR UNIT LOWER GUIDE
Page 137
NECA 340-414-210 Revision 2.0 Page 1 of 2 MCU 5000A Multipoint Control Unit INP-008 INTERNAL CONNECTION GENERAL: This procedure describes the instruction for internal connection after installed the units of MCU 5000A. APPARATUS: None SUPPORT DATA: None STEP PROCEDURES Notes: 1. Three units are required for internal connection such as LIF1, LIF2, and PG/SIO units. 2. There is symbol ( s) at the pin number “1“ of each connector. This point is the top of connector so that verify it when connecting. 1...
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![Page 138
Page 2 of 2 NECA 340-414-210 Revision 2.0
INP-008 MCU 5000A Multipoint Control Unit
Figure 1: Internal Connection in Shelf
LIF 2 H LIF 1 L2
3
LIF 2 L4
LIF 1 H 1
5 6
PG/SIO L
PG/SIO H 1
23
45
6
0 1 2 3
4 5 6 7 8 [U]
PWR
L
I
F
#
1L
I
F
#
2E
C
M
U
X
#
1E
C
M
U
X
#
2E
C
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U
X
#
3E
C
M
U
X
#
4E
C
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U
X
#
5E
C
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U
X
#
6E
C
M
U
X
#
7E
C
M
U
X
#
8V
S
W
/
L
S
DH
S
D
#
1H
S
D
#
2A
C
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MA
C
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U
MP
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/
S
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Table 1: Internal Connection
CONNECTION NO. UNIT NAME CONNECTOR LABEL NAME
11.5M LIF UNIT #1:...](http://img.usermanuals.tech/thumb/54/84243/w300_nec-mcu-5000a-equipment-manual_d-137.png "Page 138
Page 2 of 2 NECA 340-414-210 Revision 2.0
INP-008 MCU 5000A Multipoint Control Unit
Figure 1: Internal Connection in Shelf
LIF 2 H LIF 1 L2
3
LIF 2 L4
LIF 1 H 1
5 6
PG/SIO L
PG/SIO H 1
23
45
6
0 1 2 3
4 5 6 7 8 [U]
PWR
L
I
F
#
1L
I
F
#
2E
C
M
U
X
#
1E
C
M
U
X
#
2E
C
M
U
X
#
3E
C
M
U
X
#
4E
C
M
U
X
#
5E
C
M
U
X
#
6E
C
M
U
X
#
7E
C
M
U
X
#
8V
S
W
/
L
S
DH
S
D
#
1H
S
D
#
2A
C
O
MA
C
O
MA
S
U
MP
G
/
S
I
OM
C
O
N
T
Table 1: Internal Connection
CONNECTION NO. UNIT NAME CONNECTOR LABEL NAME
11.5M LIF UNIT #1:...")
Page 2 of 2 NECA 340-414-210 Revision 2.0 INP-008 MCU 5000A Multipoint Control Unit Figure 1: Internal Connection in Shelf LIF 2 H LIF 1 L2 3 LIF 2 L4 LIF 1 H 1 5 6 PG/SIO L PG/SIO H 1 23 45 6 0 1 2 3 4 5 6 7 8 [U] PWR L I F # 1L I F # 2E C M U X # 1E C M U X # 2E C M U X # 3E C M U X # 4E C M U X # 5E C M U X # 6E C M U X # 7E C M U X # 8V S W / L S DH S D # 1H S D # 2A C O MA C O MA S U MP G / S I OM C O N T Table 1: Internal Connection CONNECTION NO. UNIT NAME CONNECTOR LABEL NAME 11.5M LIF UNIT #1:...
Page 139
NECA 340-414-210 Revision 2.0 Page 1 of 4 MCU 5000A Multipoint Control Unit INP-009 LIF (CH1 to CH16) CABLE CONNECTION GENERAL: This cable connects MCU 5000A to 1.544M transmission line and to transmit AMI (B8ZS) signal. This interface uses as 1.5M LIF, RS-422 LIF, and H0-INF LIF, so there are difference of signals and pin assignment between both of them. APPARATUS: None SUPPORT DATA: None Figure 1: LIF Cable Connection STEP PROCEDURES 1Using AWG 24 shielded cable or equivalent, route cable...
Page 140
Page 2 of 4 NECA 340-414-210 Revision 2.0 INP-009 MCU 5000A Multipoint Control Unit Figure 2: LIF (CH1 to CH16) Connector Pin Assignment Table 1: 1.5 LIF (CH1 to CH16) Signal Assignment PIN NO. SIGNAL NAME I/O REMARKS PIN NO. SIGNAL NAME I/O REMARKS 1 SHIELD Cable shield 9 T (B)+ OUT Transmit (B) 2 T (A)- OUT Transmit (A) 10 _ 3 _ 11 R (B)+ IN Receive (B) 4 R (A)- IN Receive (A) 12 _ 5_ 13_ 6_ 14_ 7_ 15_ 8 SG _ Signal ground - Table 2: RS-422 (CH1 to CH16) Signal Assignment PIN NO. SIGNAL NAME I/O...