NEC Mcu 5000a Multipoint Control Unit Equipment Manual

NECA 340-414-210 Revision 2.0 Page 9 of 14
MCU 5000A Multipoint Control Unit INT-001
D: Equipment 
Handling3.04
The handlings for MCU 5000A are shown as below.  The details are 
described each procedures.
Detailed Procedure
Reference Procedure No
Mount MCU 5000A to 19 inch rack INP-001
Remove MCU 5000A from 19 inch rack INP-002
Open/Remove Front Cover INP-003
Install/Close Front Cover INP-004
Turn ON/OFF power switch INP-005
Mount Unit to shelf INP-006
Remove Unit From shelf INP-007
Internal connection...

Page 10 of 14 NECA 340-414-210 Revision 2.0
INT-001 MCU 5000A Multipoint Control Unit
4:  CABLE CONNECTIONS
A: General 4.01The following should be examined for cable installation of MCU 5000A.
• The customer is required to prepare all cables which are connected MCU 
5000A and external terminal devices before starting the installation.
• Decide the proper lengths of the cables while taking into account the 
distance between MCU 5000A and external terminal devices.
• Design cable wiring routes for the MCU...

NECA 340-414-210 Revision 2.0 Page 11 of 14
MCU 5000A Multipoint Control Unit INT-001
Figure 4-1:   Cable Wiring Procedure for Connecting MCU 5000A and External Terminal Device
Prepare drawings for cable wiring.  
Draw the following figures if necessary.
• Cable wiring maps
• Cable wiring diagrams
Prepare cable wiring materials.
• Cable arrangements by customer
• Arrangements for connectors for external terminal device
• Checking on MCU 5000A accessories and connectors
Wiring of interface cables between...

Page 12 of 14 NECA 340-414-210 Revision 2.0
INT-001 MCU 5000A Multipoint Control Unit
B: Connectors and 
Connections4.04Internal connections:
 This equipment is required internal connections.  
Refer to INP-008
 for details.
4.05External connections:
 All the cables which connect between MCU 5000A 
and other external device are connected on the rear connectors of MCU  
5000A shelf.     Fig. 4-2 shows the typical cable connections, and 
Table 4-1 shows details for cables connectors and connecting...

NECA 340-414-210 Revision 2.0 Page 13 of 14
MCU 5000A Multipoint Control Unit INT-001
Table 4-1: EXTERNAL CABLE CONNECTIONS
CABLE NAMECONNECTORS FOR 
EQUIPMENT SIDECONNECTORS FOR 
CABLE SIDEQUANTITY OF 
PINREFERENCE NO.
LIF Cable (CH1 to 16) DA-15S Socket DA-15P Plug 15 INP-009
RS-232C Cable (CH1 to 4) DB-25S SocketDB-25P Plug or 
Equivalent25 Needless for option
AC Power Cord - - 3 INP-011 

Page 14 of 14 NECA 340-414-210 Revision 2.0
INT-001 MCU 5000A Multipoint Control Unit
This page is for your notes. 

NECA 340-414-210 Revision 2.0 Page 1 of 2
MCU 5000A Multipoint Control Unit INP-001
MOUNT MCU 5000A TO 19-INCH RACK
GENERAL: 
This procedure describes the steps required to mount the MCU 5000A in 19-inch 
rack.
APPARATUS:
Phillips type Screwdriver 
SUPPORT DATA: 
None
STEP PROCEDURE
1 Prepare eight screws which are annexed to equipment.
2 Install MCU 5000A shelf on the appointed location of 19-inch rack as shown in Fig. 1.
3 Tighten the eight screws and fix firmly MCU 5000A to the rack.
4 Are more MCU...

Page 2 of 2 NECA 340-414-210 Revision 2.0
INP-001 MCU 5000A Multipoint Control Unit
Figure 1:   Mounting MCU 5000A to 19-inch Rack
MCU 5000A
MCU 5000A 

NECA 340-414-210 Revision 2.0 Page 1 of 2
MCU 5000A Multipoint Control Unit INP-002
  REMOVE MCU 5000A FROM 19-INCH RACK
GENERAL: 
This procedure describes the steps required to remove the MCU 5000A from the 
19-inch rack.
APPARATUS: 
Phillips type 
Screwdriver 
SUPPORT DATA: 
INP-005
STEP PROCEDURES
1If power switch is already OFF, go to Step 2.
Otherwise turn OFF power switch.  Refer to 
INP-005.
2 Are the cables connected?
If Ye s
, go to Step 3
.
If No
, go to Step 5
.
3 Record which cables are...

Page 2 of 2 NECA 340-414-210 Revision 2.0
INP-002 MCU 5000A Multipoint Control Unit
Figure 1:   How to Remove MCU 5000A out of 19-Inch Rack
MCU 5000A
MCU 5000A