NEC Mcu 5000a Multipoint Control Unit Equipment Manual
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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 INP-008 LIF (CH1 to CH16) cable connection INP-009 Power cord connection INP-011 Start-up of MCU console INP-012 Setting for CODEC INP-013
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 5000A and the external terminal devices. 4.02MCU 5000A has two kind of connections, i.e. internal and external connections. 4.03Fig. 4-1 shows the cable wiring procedure for connecting MCU 5000A and the external devices.
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 MCU 5000A and external terminal device. • Line interface cable • MCU 5000A console cable • MODEM cable for MCU 5000A control terminal if necessary Connect interface cables and connectors: connect them to equipment connectors. • Connecting interface cables with connectors for terminal device • Connecting them to the connectors of terminal device • Connecting interface cables with connectors for MCU 5000A • Connecting them to the connectors of MCU 5000A Connect an AC power cord. • Connecting AC power cord to MCU 5000A
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 procedures. Figure 4-2: Typical Cable Connection RS-232CHSD IFLIF CH1 CH5CH11 CH13CH9 CH5 CH1 CH2 CH6CH12CH14 CH10CH6 CH2 CH3CH7 CH13 +++ FGSGCH15CH11 CH7 CH3 CH4 CH8 CH14CH16 CH12 CH8CH4 DB25SDA15S DA 15 S Note1: *the HSD IF ports are not used. Note2: ** the channel 4 (CH4) at RS-232C port does not support RS-232C interface. This port is for future use.* **
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 5000A to be mounted? If YES , go to Step 1 . If NO , go to Step 5 . 5 End of procedure.
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 connected which connectors. 4 Disconnect the cables from backboard. 5 Support MCU 5000A by assistant not to fall. In that condition remove the eight screws which are fixed MCU 5000A. 6 After unscrewing all, pull out MCU 5000A as shown in Fig. 1. 7 End of procedure.
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