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Patent Information
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patent applications held by Polycom, Inc.
Polycom, Inc.
4750 Willow Road
Pleasanton, CA 94588-2708
USA
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without notice.
Serial Port Connectors Pin out Assignment . . . . . . . . . . . . .A-4
Cables For the MPI-4/8 Network Interface Module . . . . . . .A-6
v
Table of Contents
vi
Before You Begin
The MGC+50 and the MGC+100 are high performance, high capacity
Multipoint Control Units (MCU) which support up to 48 ports for the
MGC+50, and 96 ports for the MGC+100. They utilize a variable port
bandwidth ranging from 56 to 1920 Kbps.
1
Figure 1-1: MGC+ 50
Figure 1-2: MGC+ 100
1-1
Chapter 1 - Before You Begin
The system meets International Telecommunication Union Telecommunication Standardization Sector, (ITU-T, formerly CCITT)
standards for multipoint multimedia bridging devices, and meets ETSI
standards for telecommunication products.
The flexible architecture in the system is designed to accommodate users’
changing multipoint needs. This system utilizes a modular “universal slot”
platform that allows the formation of different configurations based on users’
individual port capacity and functionality requirements.
1-2
MGC+ Unit Main Features
The MGC+ unit offers the following features:
•Supports a large number of ports (48 for the MGC+50, 96 for the
MGC+100) running at 128 Kbps
•Universal slots, telco grade high availability with hot-swappable
modules, redundancy, on-line upgrading and dynamic resource
allocation
•Support for standard network interfaces (ISDN, T1-CAS, LAN and V.35
serial) for the easy integration of conference elements into external
network management and billing systems
•Support for up to 16 operator workstations (PCs) connected to either a
local or remote MCU; each operator workstation can be connected to
several MGC+ units
•Multirate conferencing and Transcoding (audio and video, including
high bit rate video and data bit rate conversion)
•Channel aggregation according to H.221, Bonding and Multirate (H0)
•Automatic rate detection upon endpoint connection to the conference
•H.320/H.323 video, T.120 data conferencing
•Enhanced Continuous Presence (multi-image video)
•IVR (Interactive Voice Response)
•Windows NT®/Windows 2000®/Windows XP® based operator station
•Multiple operators per conference
•Multiple conferences and MCUs per operator
•TCP/IP - LAN - Internet access
•Supports serial communication (V.35/RS-530/RS-449) (optional)
MGC+ Hardware and Installation Manual
1-3
Chapter 1 - Before You Begin
MGC+50/MGC+100 Specifications
Table 1-1 lists the specifications of the MGC+50 and the MGC+100 units.
Table 1-1: MGC+ Specifications
PhysicalMGC+50MGC+100
Height16”16”
Width15”, 19” with
mounting plate
Depth19.5”19.5”
WeightUp to 24 kgUp to 48 kg
Free space above the
MCU rack
IP Protocols MGC+50/MGC+100
AudioG.711, G.722 (48), G.722.1, G.728, G. 723.1,
VideoH.261, H.263 (Annexes N, F, P), H.264
DataT.120
H. 320 ProtocolsMGC+50/MGC+100
AudioG.711, G.722 (48), G.722.1, G.728, G. 723.1, Siren
VideoH.261, H.263 (Annexes N, F, P), H.264
DataT120
CascadingH.243
3” in standard
installations
G.729A, Siren 7, Siren 14
7, Siren 14
23” with mounting plates,
19” with unit at 90
3” standard installation, 9”
if a MPI-8 is to be fitted
10°–35°C (50°–95°F) when installed in a 19” rack
Storage temperature-40°–70°C (40°–158°F)
Relative humidity15%-90% no condensing
Operating altitudeUp to approx. 3,000m (10,000ft)
Storage altitudeUp to approx. 12,000m (40,000ft)
Operating ESD+8kV
Storage ESD+15kV
1-5
Chapter 1 - Before You Begin
Table 1-1: MGC+ Specifications
System
Communications
Integrated schedulerYes
API to 3rd party
reservation systems
Conference Setup
(Scheduled/
Unscheduled)
Meet Me Per
MGC+50/MGC+100
Yes
MGC+50/MGC+100
•Conference
•MCU
•Channel
•Party
Dial-out/Dial-inYes
DiagnosticsMGC+50/MGC+100
Power upYes
On-lineYes
RemoteYes
Serviceability /
Reliability
MGC+50/MGC+100
1-6
Hot plug-in modulesYes
Front panel removable
modules
Power SupplyMGC+50MGC+100
AC Input100-240 VAC,
Yes
50/60 Hz
100-240 VAC,
50/60 Hz
MGC+ Hardware and Installation Manual
Table 1-1: MGC+ Specifications
Power ConsumptionMGC+50MGC+100
AC Maximum Power
consumption
MGC+ Control Unit
A new Control unit is located in Slot A of the front panel of the MGC+.
The Control Unit has the following features:
•Support of both XPEK and pSOS Operating Systems (OS)
•XPEK or pSOS swappable Operating Systems (OS)
•MGC Manager Version 7.0x
•External IDE Compact Flash
•40 GB Hard Drive
•USB port
•CCOM, revision version 5
•New Rear Access I/O
AC Voltage - 10Amp
at 100 V AC, 5 Amp at
240 VAC protected by
a 15 Amp circuit
breaker.
AC Voltage - 15 Amp at
100 VAC and 7.5 Amp at
240 VAC protected by a 15
Amp circuit breaker.
1-7
Chapter 1 - Before You Begin
Scope of Manual
This manual describes the MGC+50 and the MGC+100 hardware and
installation procedure. It is intended for service engineers, system
administrators and system operators who need to install, configure and
maintain the MGC+ unit.
Detailed information on using the system, including starting and shutting
down the system, is provided in the MGC+ Manager User’s Guide.
This manual assumes the user has the following knowledge:
•Familiarity with Windows 2000®, Windows NT®, and Windows XP®
environment and interface
•Basic knowledge of videoconferencing concepts and terminology
The MGC+ Hardware and Installation Manual includes the following topics:
•Chapter 1 - Before You Begin
Provides a general description of the MGC+ unit, its main features and
description of the MGC+ Hardware and Installation Guide.
•Chapter 2 - Hardware Description
This chapter includes the Descriptions of the MGC+50/MGC+100 front
panel, back panel, and functional modules.
•Chapter 3 - System Architecture
Describes the system architecture and the data flow.
•Chapter 4 - Hardware Description
Describes the various components that make up the MGC+ unit.
•Chapter 5 - Maintenance
Describes the controls and LED indicators and provides maint enance
procedures.
•Appendix A - Interfaces Pin Assignment
Describes the pinout of the various MGC+ unit connectors.
1-8
Conventions
Before using this manual, it is important for you to understand the terms and
conventions used:
•The term “Choose” or “Double-click” is used when you need to activate
•The term “Select” or “Click” is used to highlight a part of the window,
•The term “Right-click” is used when you press and release the right
•The term “Choose OK” means that you can either click the OK button
•Keyboard keys appear in capital letters, between these two symbols
•The plus sign (+) between two key names indicates that you must press
•Bold type appearing in the text, or in a procedure indicates the word or
•Italic type appearing in the text or in a procedure indicates the menu
•Tips and notes appear in a different typeface and between two bars. For
MGC+ Hardware and Installation Manual
a menu command or a command button in the dialog box.
dialog box or menu that you want to be changed with your next action.
mouse button to open a pop-up menu.
with the mouse, or press the <Enter> key on the keyboard.
< >. For example, the Shift key appears as <Shift>.
and hold down one key while pressing down the second key. For
example, “press <Alt>+<P> means that you press and hold down the Alt
key while you press the P key.
the character that you should type into a text box from the ke yboard. It is
also used to indicate the name of the menu name or command name that
you should select.
name, dialog box name or field name from which an option should be
selected or into which parameters should be entered.
example:
This is an example of notes that you may encounter throughout this Hardware
Manual.
1-9
Chapter 1 - Before You Begin
List of Abbreviations
The following is the list of abbreviations used throughout this manual:
Table 1-2: Abbreviations
APIApplication Programming Interface
CSUChannel Service Unit
DPRDual Port Ram
ESDElectro-Static Discharge
HDLCHigh-level Data Link Control
HSDHigh Speed Data
IPInternet Protocol
ISDNIntegrated Services Digital Network
1-10
LANLocal Area Network
LEDLight Emitting Diode
LSDLow Speed Data
MCUMultipoint Control Unit
MGC+Multimedia Gateway Control
MPIMulti Protocol Interface
MUXMultiplexor
PBXPrivate Branch Exchange
PRIPrimary Rate Interface
TCPTransmission Control Protocol
TDMTime Division Multiplexing
MGC+ Hardware and Installation Manual
MGC+ Getting Started Guide, Chapter 2
MGC+ Getting Started Guide, Chapter 2
MGC+ Getting Started Guide, Chapter 3
MGC Administrator’s Guide,
Chapter 2
MGC+ Getting Started Guide, Chapter 3
MGC+ Getting Started Guide, Chapter 3
MGC Manager User’s Guide - Volume II,
Chapter 6
Installation and Configuration Workflow
The MGC+ unit installation and config ura tion process i nclud es the follo wing
main steps: Hardware Installation, Software Installation, Network Services
definition and the MGC+ unit cards configuration, and Database
Configuration. The hardware and software installation, initial IP
configuration and Network Services definition stages are described in the
MGC+ Getting Started Guide. The installation and configuration steps and
their description are detailed in the following flowchart.
Figure 1-3: Installation and Configuration Workflow
1-11
Chapter 1 - Before You Begin
1-12
Hardware Inst allation
Hardware
Installation
Network Services
Definition
Database
Configuration
MGC Unit
Definition in the
MGC Manager
MGC Manager
Software
Installation
First Entry MCU
IP Configuration
MGC Unit
Software
Upgrade
(Optional)
MGC+ Hardware and Installation Manual,
Chapter 2
MGC+ Hardware and Installation Manual,
Chapter 2
MGC+ Administrator’s Guide,
Chapter 2
MGC+ Administrator’s Guide,
Chapter 2
MGC+ Administrator’s Guide,
Chapter 2
MGC+ Administrator’s Guide,
Chapter 3
MGC+ User’s Guide - Volume II,
Chapter 6
This chapter describes the unpacking and connection of bo th the MGC+50
and the MGC+100, to the ISDN, T1-CAS, H.323, MPI or serial network to
the operator workstation (PC).
2
Figure 2-1: Installation and Configuration Workflow - Hardware Installation
2-1
Chapter 2 - Hardware Installation
MGC+100 Hardware Installation
Inspecting the MGC+/ReadiManager IAM Package Contents
You should inspect the shipped box and note if it was damaged in any way. If
the box items show damage, you should file a damage claim with the carrier
who delivered it.
When deciding on a setup locati on for the MGC+, refer to the section
“System Safety” on page 2-2.
Disclaimer
Polycom is not responsible for damage sustained during shipment of this
product.
System Safety
This section includes the follow topics related to system safety:
•“General Safety Precautions” on page 2-2
•“Rack Mount Safety Precautions” on page 2-3
•“Polycom MGC+/ReadiManagerReadiManager Precautions” on page 2-
3
General Safety Precautions
Follow these rules to ensure general safety:
•Keep the area around the Polycom ReadiManager clean and free of
clutter.
•The MGC+50 weighs approximately 24 kg (53 lbs) and the MGC+100
weighs approximately 48 kg (106 lbs). When lifting the system, two
people at either end should lift slowly with their feet spread out to
distribute the weight. Always keep your back straight and lift with your
legs.
2-2
Rack Mount Safety Precautions
The following precautions should be followed with regards to rack mount
safety:
•Decide on a suitable location for the equipment rack that will hold the
MGC+/ReadiManager unit. It should be situated in a clean, dust-free
area that is well ventilated. Avoid areas where heat, electrical noise and
electromagnetic fields are generated. You will also need it placed near a
grounded power outlet.
•Ensure that the leveling jacks on the bottom of the rack are fully
extended to the floor with the full weight of the rack resting on them.
•In a single rack installation, stabilizers should be attached to the rack.
•In multiple rack installations, the racks should be coupled together.
•Always make sure the rack is stable before extending a component from
the rack.
•Y ou should extend only one component at a ti me - extending two or more
simultaneously may cause the rack to become unstable.
•Before you install the rails, determine the placement of each component
in the rack.
•Install the heaviest server components on the bott om of the rack first, and
then work up.
•Allow the power supply units to cool before touching them.
•Always keep the rack’s front door and all the blade’s panels and
components closed when not servicing, to maintain proper cooling.
MGC+ Hardware and Installation Manual
Polycom MGC+/ReadiManagerReadiManager Precautions
The following precautions should be followed with regards to installation of
the ReadiConvene:
Use a regulating uninterruptable power supply (UPS) to protect the MGC+
from power surges and voltage spikes, to keep your MCU and ReadiManager
IAM operating in case of a power failure.
2-3
Chapter 2 - Hardware Installation
Carrying Strap
Lock in Open Posit ion
Wood Packing Case
Lock in Closed Position
Unpacking and Positioning the MGC+100
To unpack and position the MGC+100:
1.When you receive your MGC+100, inspect the equipment for damage
and verify that the components match the packing slip. If you did not
receive a component or if there is damage to the system, notify your
service representative immedi ately.
2-4
Figure 2-1: MGC+100 package
2.Place the MGC+100 unit on a stable flat surface in a location that meets
the MGC+ environment requirements, which are:
— Operating temperature: 10°–40°C (50°–104°F) or 10°–35°C
(50°–95°F) when installed in a 19” rack
— Humidity: 15%–90% non-condensing
— Altitude: Up to 3,000m (10,000ft)
— ESD: +8 kV
3.Release the clasp locks at the bottom, and lift the MGC+100 top cover.
MGC+ Hardware and Installation Manual
Foam Block
Foam Block
Wood Packing Case
Figure 2-2: Unpacking the MGC+100
4.Lift the MGC+100 unit and remove the packaging material.
5.Lower the MGC+100 unit, placing it on the surface.
If the MGC+100 is a standalone unit, place it on a flat surface. If you are
rack mounting the MGC+100, allow a minimum clearance of 3” above
the unit.
2-5
Chapter 2 - Hardware Installation
rear
front
remove
screws
Mounting the MGC+100 on a 23” Rack
The MGC+100 can be mounted to a 23” rack using the two mounting plates
that are pre-installed on the unit.
1.Make sure that the MCU is turned OFF and it is disconnected from the
AC power.
2.Place the MCU in a 23” rack and support it, screw the mounting brackets
to the rack securing it with bolts and
self-locking nuts (which the client provides).
-orIf the MGC+100 was shipped without the two mounting plates that are
usually pre-installed:
3.Make sure that the MCU power is tu rned OFF and t hat it is disconnected
from the AC power.
4.With a slotted screwdriver remove the five nylon plu g hole covers from
the MCU side covers.
5.With an Allen wrench (M4), remove the five screws from the MCU side
covers.
2-6
6.Remove both MCU side covers.
7.Remove the plates from the both sides of the MGC by removing the
appropriate number of functional modules to allow access to the screws.
MGC+ Hardware and Installation Manual
front
Remove
plate
Screw mounting
plate from the
inside of the MGC
(Front)
8.Unscrew both MCU the side screws and remove both side plates.
9.From the inside of the MGC-100, screw the mounting brackets to both
sides of the MCU, securing the screws in the mounted bracket.
2-7
Chapter 2 - Hardware Installation
Power
OutIn
Power
OutIn
Power
OutIn
P
O
L
Y
C
O
M
R
MGC+
Line 1
Line 1
Line 2
Line 2
Line 3
Line 3
Line 4
Line 4
Line 5
Line 6
Line 7
Line 8
19" Attachment Bar
10. Place the MCU in a 23” rack and while supportin g it, screw the mounting
brackets to the rack securing it with bolts and self-locking nuts.
When the unit is installed on a rack, the rack must be properly grounded to the
central office ground. The rack must be grounded with two-hole compressiontype connectors using copper conductors (tinned or untinned). Wire, bus bar or
braided strap connectors are acceptable.
Mounting the MGC+100 on a 19” Rack
The MGC+100 can be mounted in a 19” rack using the mounting kit (P/NKIT2026A). It is highly recommended that the 19” rack be located in an air-
conditioned room.
When the MGC+100 unit is installed on a 19” rack, environment temprature
should not exceed 35°C or 95°F.
Figure 2-3 shows how to mount the MGC+100 on the 19” rack.
Figure 2-3: MCU Rack Mount
2-8
MGC+ Hardware and Installation Manual
Item # 3
Because of heat considerations, the MCU must be installed with the Control Unit
Module placed on the left bottom.
1.Check that all the parts are in the kit.
The kit should contain the following items:
Table 2-1: 19” Rack Mounting Kit
Item #Polycom P/NDescriptionQuantity
1MEC2063A23" TO 19" Mounting Bar
MGC+100 at 90 Degrees
2SCR2005AScrew 10-32 x 1/2” Allen S/H
ST/ST
3WAS2003AWasher M5 Spring Latch Loc.
ST\ST
4WAS2004AWasher M5 Flat ST/ST8
2
8
8
2.Make sure that the MCU power is turned OFF and it is disconnected
from the AC power.
Remove the side covers as described on page 2-4.
3.If the MCU is a standalone unit, you must first remove the side covers,
and add the mounting brackets to a 23” rack (see pages 2-4 to 2-6).
4.Attach the two mounting bars to the MCU as follows:
a. Fit the spring washer (Item #3) onto the screw (#2).
2-9
Chapter 2 - Hardware Installation
Item #4
b. Fit the flat washer (Item #4) onto the screw.
c.Take the two mounting bars (Item #1) from the kit and attach them
5.Carefully rotate the MGC+100 counterclockwise 90°, making sure the
Control Unit is at the bottom left.
6.While supporting the MGC+100, place it on the 19” rack and screw the
brackets to the rack, securing it with the screws and nuts supplied with
the rack.
to the MGC+100 unit with the screws (with the attached washers, as
described in step b).
2-10
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