NEC Mcu 5000a Multipoint Control Unit Equipment Manual
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NECA 34 0-414- 000 S EPT EMB ER, 19 98 M CU 5000A MULT IP O IN T
LIABILITY DISCLAIMER NEC America, Inc. reserves the right to change the specifications, func- tions, or features, at any time, without notice. NEC America, Inc. has prepared this document for use by its employees and customers. The information contained herein is the property of NEC America, Inc. and shall not be reproduced without prior written approval from NEC America, Inc. Copyright 1998 NEC America, Inc. Printed in USA
NECA 340-414-100 Revision 2.0 MCU 5000A Multipoint Control Unit Manual Contents Manual Contents NECA 340-414-100General Description Contains physical description, features, equipment, applications, equipment description, and customer information. NECA 340-414-210Installation Describes shelf installation, unit installation, external cabling connections, equipment power-up, and initial settings. Also provides information on switch/ strap setting with LED functions. NECA 340-414-220System Parameters Contain system parameters and parameter setting procedures. NEAC 340-414-300Console Operation Describes the control commands for the equipment using external console such as personal computer. NECA 340-414-500Maintenance Contains troubleshooting, unit replacement, and preventive/corrective maintenance procedures.
NECA 340-414-100 Revision 2.0 Manual Contents MCU 5000A Multipoint Control Unit This page is for your notes.
NECA 340-414-100 ISSUE 2 DOI-E09003 PART OF STOCK # 0293922 GENERAL DESCRIPTION MANUAL SEPTEMBER, 1998 NEC America, Inc. MCU 5000A MULTIPOINT CONTROL UNIT
LIABILITY DISCLAIMER NEC America, Inc. reserves the right to change the specifications, functions, or features, at any time, without notice. NEC America, Inc. has prepared this document for use by its em- ployees and customers. The information contained herein is the property of NEC America, Inc. and shall not be reproduced without prior written approval from NEC America, Inc. Copyright 1998 NEC America, Inc. Printed in USA
NECA 340-414-100 Revision 2.0Page i MCU 5000A Multipoint Control Unit Table of Contents Table of Contents 1: GENERAL ................................................................................................................. 1 Overview ......................................................................................................................... 1 2: SYSTEM CONFIGURATION .................................................................................... 3 Basic Configuration .......................................................................................................... 3 Option............................................................................................................................... 3 Line Growth .............................................................................................................................. 3 Simultaneously Connecting Teleconference ............................................................................ 3 Connecting Cable..................................................................................................................... 4 Accessories .............................................................................................................................. 4 3: SYSTEM FEATURES ............................................................................................... 5 Basic Connection ............................................................................................................. 5 Usable Teleconference Terminal ..................................................................................... 5 Start-up of Equipment ...................................................................................................... 6 Start-up .................................................................................................................................... 6 System Parameter Setting ....................................................................................................... 6 Teleconference Type ....................................................................................................... 6 Point-to-Point Teleconference.................................................................................................. 6 Broadcast Teleconference ....................................................................................................... 6 Multipoint Teleconference (RCON) .......................................................................................... 7 Multipoint Teleconference (MCON).......................................................................................... 8 Multipoint Lecture Connection.................................................................................................. 9 Teleconference Start and Completion............................................................................ 11 Line and Teleconference Terminal Number ................................................................... 12 Physical Line Number ............................................................................................................ 12 Logical Line Number .............................................................................................................. 12 Logical Line Number Assignment on ISDN Interface Unit Installation ........................... 14 Teleconference Port Number ................................................................................................. 17 Teleconference Terminal Number.......................................................................................... 17 Line Interface ................................................................................................................. 18 1.5M LIF Unit.......................................................................................................................... 18 RS-422/HSD IF Unit ............................................................................................................... 19 H0-INF Unit ............................................................................................................................ 19 Common Item for Each LIF Unit............................................................................................. 20 Cascade-Connection...................................................................................................... 20 Console Through-Pass .................................................................................................. 21 Supplementary Functions .............................................................................................. 22 Automatic Start Setting Function............................................................................................ 22 Memory Card Copy Function ................................................................................................. 22 Loopback Function ................................................................................................................. 22 4: HARDWARE CONFIGURATION ............................................................................ 23 1.5M LIF Unit................................................................................................................. 24 Genera ................................................................................................................................... 24 Functions................................................................................................................................ 24 Functional Block Diagram ...................................................................................................... 25 1.5M LIF Unit Interface........................................................................................................... 25 Line Management .................................................................................................................. 27 RS-422 LIF Unit ............................................................................................................. 28 General .................................................................................................................................. 28 Functions................................................................................................................................ 28
Page iiNECA 340-414-100 Revision 2.0 Table of Contents MCU 5000A Multipoint Control Unit Interface Specification ........................................................................................................... 28 H0-INF Unit .................................................................................................................... 31 General .................................................................................................................................. 31 Functions ............................................................................................................................... 31 EC H211 MUX Unit ........................................................................................................ 34 General .................................................................................................................................. 34 Functions ............................................................................................................................... 34 V SW/LSD IF Unit .......................................................................................................... 36 General .................................................................................................................................. 36 Functions ............................................................................................................................... 36 A CODEC Unit ............................................................................................................... 39 Functions ............................................................................................................................... 39 A SUM Unit .................................................................................................................... 42 General .................................................................................................................................. 42 Function ................................................................................................................................. 42 PG/SIO Unit ................................................................................................................... 45 Genera...................................................................................................................................l 45 Functions ............................................................................................................................... 45 M CONT Unit ................................................................................................................. 47 General .................................................................................................................................. 47 Functions ............................................................................................................................... 47 VDSW Unit ..................................................................................................................... 49 General .................................................................................................................................. 49 Functions ............................................................................................................................... 49 5: SOFTWARE ............................................................................................................ 51 Task Description ............................................................................................................ 51 Loader (LO) ........................................................................................................................... 51 Timer (TM) ............................................................................................................................. 51 Memory Card Driver (MD) ..................................................................................................... 51 Conference Management (CM) ............................................................................................. 51 Console Control (CC) ............................................................................................................ 52 Console Driver (CD1 to CD3) ................................................................................................ 52 Command Generator ............................................................................................................. 52 Real-Time Clock Management (RM) ..................................................................................... 52 Line Management (LM) ......................................................................................................... 52 AMI Line Control (LCA) ......................................................................................................... 52 RS-422 Line Control (LCR) ................................................................................................... 52 ISDN Line Control (LCI) ......................................................................................................... 52 FIFO Driver (FH).................................................................................................................... 52 Line Exchange (LX) ............................................................................................................... 52 Picture Switching (PS) ........................................................................................................... 53 Voice Input/Output Control (VC) ............................................................................................ 53 Multipoint Control (TCA, TCB) ............................................................................................... 53 Electrical Whiteboard Control for MCU .................................................................................. 53 LAP-B Drive (LD1 to LD8) ..................................................................................................... 53 BAS Driver (BD1 to BD8) ...................................................................................................... 53 6: SPECIFICATIONS ................................................................................................... 57 Physical Specification .................................................................................................... 57 Electrical Specification ................................................................................................... 57
NECA 340-414-100 Revision 2.0Page iii MCU 5000A Multipoint Control Unit Table of Contents 7: SYSTEM CONTROL AND VARIOUS APPLICATIONS ......................................... 61 Line Switching Control ................................................................................................... 61 Data Highway ......................................................................................................................... 61 Multipoint Connection............................................................................................................. 62 Voice Signal ........................................................................................................................... 62 Picture Signal ......................................................................................................................... 63 Low-speed Data ..................................................................................................................... 64 Point-to-Point Connection ...................................................................................................... 65 Broadcast Connection ............................................................................................................ 66 Picture Switching Control ............................................................................................... 67 Automatic Switching Mode .................................................................................................... 67 Manual Switching Mode ......................................................................................................... 67 Voice Detection Control ................................................................................................. 68 Teleconference Terminal Interface ................................................................................ 69 Command Details................................................................................................................... 70 Interface Format ..................................................................................................................... 73 Sequence Example ................................................................................................................ 74 Loopback Test................................................................................................................ 77 MCU 5000A Loopback ................................................................................................... 78 Self Diagnostic Function ................................................................................................ 80 8: MCU CONSOLE...................................................................................................... 81 Console .......................................................................................................................... 81 Console Command ........................................................................................................ 81 9: SYSTEM PARAMETER .......................................................................................... 85 Application...................................................................................................................... 85 System Parameter ......................................................................................................... 85
NECA 340-414-100 Revision 2.0Page v MCU 5000A Multipoint Control Unit List of Figures List of Figures Figure 3-1: Typical Connecting Diagram ....................................................... 5 Figure 3-2: Logical Line Number Assignment ............................................ 13 Figure 3-3: Logical Line Number Assignment (line Rate 64 kbps)............ 14 Figure 3-4: Logical Line Number Assignment (Line Rate 2×64 kbps) ...... 15 Figure 3-5: Logical Line Number Assignment (Line Rate 384 kbps) ........ 16 Figure 3-6: Casade-Connection of Two MCU 5000A .................................. 21 Figure 3-7: Two Groups Casade-Connection .............................................. 21 Figure 3-8: Example of Console Through-Pass Connection ..................... 22 Figure 4-1: Block Diagram of MCU 5000A ................................................... 23 Figure 4-2: Block Diagram of 1.5M LIF Unit................................................. 25 Figure 4-3: 1.5M LIF (CH1 to CH16) Connector Pin Assignment ............... 26 Figure 4-4: RS-422 LIF (CH1 to CH16) Connector Pin Assignment........... 29 Figure 4-5: Block Diagram of RS-422 LIF Unit ............................................ 30 Figure 4-6: Block Diagram of H0-INF Unit ................................................... 32 Figure 4-7: H0-INF (CH1 to CH16) Connector Pin Assignment.................. 33 Figure 4-8: Block Diagram of EC H221 MUX Unit ....................................... 35 Figure 4-9: Block Diagram of V SW/LSD IF Unit (1of 2).............................. 37 Figure 4-9: Block Diagram of V SW/LSD IF Unit (2 of 2)............................. 38 Figure 4-10: Block Diagram of A CODEC Unit .............................................. 41 Figure 4-11: Block Diagram of Voice Signal Process 1................................ 43 Figure 4-12: Block Diagram of Voice Signal Process 2................................ 44 Figure 4-13: Block Diagram of PG/SIO Unit................................................... 46 Figure 4-14: Block Diagram of M CONT Unit ................................................. 48 Figure 4-15: Block Diagram of VDSW Unit .................................................... 50 Figure 5-1: MCU 5000A Task Diagram ......................................................... 54 Figure 5-2: MCU 5000A Memory Mapping ................................................... 55 Figure 6-1: MCU 5000A Outline .................................................................... 57 Figure 6-2: Detailed Rear View of MCU 5000A ............................................ 58 Figure 6-3: MCU 5000A Unit Installation Layout ......................................... 59 Figure 7-1: Block Diagram of Basic Signal Flow ........................................ 61 Figure 7-2: Signal Flow of Voice Signals ..................................................... 63 Figure 7-3: Signal Flow of Picture Signals .................................................. 63 Figure 7-4: Low-speed Data Flow ................................................................. 64 Figure 7-5: Data Flow on Point-to-Point Connection.................................. 65 Figure 7-6: Data Flow on Broadcast Connection ........................................ 66 Figure 7-7: Command/Response Format..................................................... 73 Figure 7-8: Sequence Example (1 of 4) ........................................................ 74 Figure 7-8: Sequence Example (2 of 4) ........................................................ 75 Figure 7-8: Sequence Example (3 of 4) ........................................................ 76 Figure 7-8: Sequence Example (4 of 4) ........................................................ 77 Figure 7-9: Loopback Points......................................................................... 79