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The information in this guide applies to both the Avaya Business Communications Manager
(BCM) 50 and the Avaya BCM450 platforms running Avaya BCM 6.0 software.
About this guide
This system overview gives a high-level understanding of the core capabilities and features of
Avaya Business Communications Manager (Avaya BCM) 6.0.
Audience
This overview is for installers, network administrators, and others who are interested in the Avaya
BCM.
9
Acronyms
Following is a list of acronyms used in this guide.
AcronymDescription
ADIDAnalog direct inward dial
AMISAudio Messaging Interchange Specification
APACAsia Pacific
BCMBusiness Communication Manager
BFTBase function tray
BRIBasic Rate Interface
CALACaribbean and Latin America
CCRCustom call routing
CDRCall Detail Recording
CECCapacity expansion card
CIMCommon information model
CTIComputer telephony integration
DDCDynamic device configuration
DMTFDistributed Management Task Force
DNDirectory number
System Overview
10Chapter 1 Getting started
AcronymDescription
DTMFDual-tone multi frequency
FEMFiber expansion module
FRUField replacable unit
GASIGlobal Analog Station Interface
GASIGlobal Analog Station Interface
GASMGlobal Analog Station Module
GATIGlobal Analog Trunk Interface
GATIGlobal Analog Trunk Interface
GATMGlobal Analog Trunk Module
GNPSGlobal Network Product Support
GNTSGlobal Enterprise Technical Support
HDDHard disk drive
ICCIntelligent Contact Center
ICCLISDN call connection limit
IPInternet Protocol
ISDNIntegrated services digital network
KEMKey expansion module
LAN CTELocal area network computer telephony engine
MBMMedia bay module
MCDNMeridian customer defined network
MIBManagement information base
MWIMessage waiting indication
NCGLBCM Linux
NCMNetwork Configuration Manager
NCRINetwork call redirection info
NRENon Recoverable Engineering
OEMOriginal Equipment Manufacturer
OSOperating system
POSTPower on Self Test
PSTNPublic switched telephone network
PVQMProactive voice quality monitoring
QoEQuality of Experience
SFTPSecure File Transfer Protocol
SIPSession Initiated Protocol
SMBSmall and Medium Business
NN40170 -103
AcronymDescription
SMESmall and Medium Enterprise
SNMPSimple Network Management Protocol
VoIPVoice over Internet Protocol
VPIMVoice profile for internet mail
Related publications
This section provides a list of additional documents. For more information on the BCM 6.0
documentation suite, see Avaya Business Communications Manager 6.0 Documentation Roadmap
(NN40170-119).
Avaya Business Communications Manager 450 6.0 Installation — System (NN40170-303)
Avaya Business Communications Manager 450 6.0 Maintenance (NN40170-503)
Avaya Business Communications Manager 50 6.0 Installation and Maintenance Guide
(NN40170-305)
Getting started Chapter 111
Avaya Business Communications Manager 6.0 Upgrade Guide (NN40170-401)
Avaya Business Communications Manager 6.0 Installation — Devices (NN40170-304)
Avaya Business Communications Manager 6.0 Configuration — System (NN40170-501)
Avaya Business Communications Manager 6.0 Configuration — Devices (NN40170-500)
Avaya Business Communications Manager 6.0 Configuration — Remote Worker (NN40171-505)
Avaya Business Communications Manager 6.0 Configuration — Telephony (NN40170-502)
Avaya Business Communications Manager 6.0 Planning and Engineering (NN40170-200)
Avaya Business Communications Manager 6.0 Administration and Security (NN40170-603)
Avaya Business Communications Manager 6.0 Fault and Performance Management
(NN40160-701)
Avaya Business Communications Manager 6.0 Troubleshooting Guide (NN40170-700)
Avaya Business Communications Manager Find Me/Follow Me Administration Guide
(NN40010-678)
Avaya Business Communications Manager Find Me/Follow Me Administration Guide
(NN40010-118)
BCM50 and BCM450 Imaging Tool User Guide (NN40171-104)
Central Answering Position (CAP) User Guide (NN40090-106)
Expansion Module for Avaya 1100 Series IP Deskphones User Guide (NN40050-118)
IP KEM User Guide (NN40050-103)
InTouch Administration Guide (NN40170-605)
InTouch User Guide (NN40170-102)
NN40170 -103
Customer Service
Visit the Avaya Web site to access the complete range of services and support that Avaya
provides. Go to www.avaya.com or go to one of the pages listed in the following sections.
Navigation
•Getting technical documentation (page 13)
•Getting product training (page 13)
•Getting help from a distributor or reseller (page 13)
•Getting technical support from the Avaya Web site (page 13)
Getting technical documentation
To download and print selected technical publications and release notes directly from the Internet,
go to www.avaya.com/support.
Getting product training
Getting started Chapter 113
Ongoing product training is available. For more information or to register, you can access the Web
site at www.avaya.com/support. From this Web site, you can locate the Training contacts link on
the left-hand navigation pane.
Getting help from a distributor or reseller
If you purchased a service contract for your Avaya product from a distributor or authorized
reseller, contact the technical support staff for that distributor or reseller for assistance.
Getting technical support from the Avaya Web site
The easiest and most effective way to get technical support for Avaya products is from the Avaya
Technical Support Web site at www.avaya.com/support.
System Overview
14Chapter 1 Getting started
NN40170 -103
Chapter 2
BCM450 hardware
The information in this chapter applies to the BCM450 platform running Avaya Business
Communications Manager (Avaya BCM) 6.0.
The Avaya BCM provides private network and telephony management capability to small- and
medium-sized businesses.
BCM is a complete, converged voice, and feature-rich business telephony applications solution for
small business and small enterprise branch offices. BCM gives you the features and applications of
traditional small office PBX and key systems plus the converged value of IP.
For more information, see “Avaya BCM features” on page 35.
Avaya BCM (as shown in Figure 1"Avaya BCM hardware—front view" (page 15)) features a new
base function tray.
Figure 1 Avaya BCM hardware—front view
15
MBMs
Base function tray
For more information about Avaya BCM hardware, see Avaya Business Communications
Manager 450 6.0 Installation — System (NN40170-303).
System Overview
16Chapter 2 BCM450 hardware
Avaya BCM450
The primary hardware component of your BCM450 system is the main unit. Each BCM450
system must have one main unit. The main unit houses the base function tray (BFT) and has four
slots for media bay modules (MBM).
You can connect your BCM450 system directly to a power source or through an optional
uninterruptible power supply (UPS).
The BCM450 main unit provides call processing functions. The BFT, which is housed in the main
unit, provides four connections for auxiliary equipment (auxiliary ringer, page relay, page output,
and music source). The BCM450 main unit has no router, but it has two LAN ports and one OAM
port. The main unit includes four slots for MBMs, and supports up to one fiber expansion module
(FEM) MBM for connecting up to 6 Norstar trunk or station fibre expansion modules For more
information the FEM, see Avaya Business Communications Manager 450 6.0 Installation—System
(NN40170-303).
A main unit contains the following field-replaceable units:
•cooling fan
•power supply unit
•base function tray (BFT)
•hard disk drive (HDD)
•up to four MBMs
•optional capacity expansion card (CEC)
Additional Avaya BCM hardware
In addition to a main unit, the BCM450 system can include a BCM450 expansion cabinet. An
expansion cabinet connects to the main unit and provides additional functionality through one or
more installed media bay modules (MBM).
The Avaya BCM expansion cabinet accommodates the MBMs used by other BCM platforms. The
Avaya BCM main unit can support one expansion cabinet. For more information, see “Avaya
BCM expansion cabinet or unit and media bay modules” on page 31.
BCM450 also supports an optional secondary power supply and fan, as well as an optional
secondary hard disk drive for RAID disk mirroring. For more information about installing a
redundant power supply or hard disk drive, see Avaya Business Communications Manager 450 6.0 Maintenance (NN40170-503).
The BCM450 is available with the following mounting options:
•rack-mount (standard 19-inch rack)
•stand-alone (feet included);
•wall-mount (optional wall-mount bracket available separately)
The wall-mount bracket is an inexpensive bracket for mounting the Avaya BCM or expansion
cabinet to a wall; for more information, see “Mounting kits” on page 32.
NN40170 -103
You can rack-mount a maximum of four Avaya BCM systems directly into a standard 19-inch
rack. For more information, see “Mounting kits” on page 32.
Avaya BCM physical dimensions
Table 1"BCM450 physical dimensions" (page 17) describes the physical dimensions of the Avaya
BCM main unit and expansion cabinet.
Table 1 BCM450 physical dimensions
DimensionsAvaya BCM main unit Avaya BCM expansion
cabinet
Height7 in. (17.8 cm)7 in. (17.8 cm)
Width17.5 in. (44.5 cm)17.5 in. (44.5 cm)
Depth18 in. (45.8 cm)18 in. (45.8 cm)
The Avaya BCM main unit and expansion cabinet design features include in following
components:
BCM450 hardware Chapter 217
•rubber feet that allow unit installation on a desktop or a shelf
•optional wall-mount bracket kit
•optional rack-mount shelf
System Overview
18Chapter 2 BCM450 hardware
Avaya BCM physical interfaces
Figure 2"BCM450 physical interfaces and LEDs" (page 18) maps the physical interfaces of the
BCM450 hardware.
Figure 2 BCM450 physical interfaces and LEDs
OAM port (port 0)
LAN port (port 1)
LAN port (port 2)
Music source
Auxiliary ringer
Page relay
Page output
HDD LEDs
Power LED
Status LED
COM port
DS256 expansion port
USBx2
Your Avaya BCM is equipped with the following interfaces:
•An RJ-45 jack used to connect a computer running administration software, such as
Business Element Manager, to the main unit.
•Two RJ-45 jacks used to connect the customer LAN to the main unit.
•Two USB 2.0 (compatible with USB 1.1) ports used to connect USB storage devices or the
data interfaces for an uninterruptible power supply (UPS) to the main unit.
•One DS256 jack to connect the BCM expansion cabinet to the BCM450 main unit.
•One auxiliary ringer jack to control the cadence of an auxiliary ringer (customer supplied).
•A page relay jack connects a floating relay contact pair. The BCM450 system uses this
jack to control the external paging amplifier.
•A page output port allows generated voice paging signal to an external paging amplifier
(customer supplied).
•Music on hold input supported either through the front panel jack.
You can extend the capacity of your system by using the optional “Avaya BCM expansion cabinet
or unit and media bay modules” on page 31.
NN40170 -103
Chapter 3
BCM50 hardware
The information in this chapter applies to BCM50 platforms running Avaya Business
Communications Manager (Avaya BCM) 6.0.
BCM50 is available in six configurations.
•BCM50: The compact main unit, suitable for networks where you do not require
integrated data-routing capability or if your networks already have an IP network.
•BCM50e: Includes an integrated Ethernet router.
•BCM50b: Includes an integrated Dual ISDN S/T BRI.
•BCM50be: Includes an Ethernet router and a Dual ISDN S/T BRI.
•BCM50ba: Includes ADSL router and a Dual ISDN S/T BRI.
Figure 3"BCM50e" (page 19) shows the BCM50e.
Figure 3 BCM50e
19
For more information, see “"BCM50e BCM50a: Avaya BCM systems with integrated routers"
(page 22) or "" (page 24).
BCM50a and BCM50ba models are not sold with Release 6.0 installed at factory. However,
BCM50a and BCM50ba systems support release 6.0 software when upgraded to that software
level.
For more information about BCM50 hardware, see Avaya Business Communications Manager 50
Installation and Maintenance Guide (NN40170-305).
BCM50 main unit
The BCM50 Main Unit (with telephony only) provides call processing and simple
data-networking functions. It provides connections for 12 digital telephones, 4 PSTN lines, 4
analog station ports, and 4 connections for auxiliary equipment (auxiliary ringer, page relay, page
output, and music source). The BCM50 Main Unit has no router, but it has four LAN ports: one is
the OAM port for technicians, and three are for basic LAN connectivity.
A Main Unit contains the following field-replaceable units:
•one programmed hard disk
•one cooling fan
System Overview
20Chapter 3 BCM50 hardware
•one router card (BCM50a, BCM50e, BCM50ba and BCM50be only)
Additional BCM50 hardware
The BCM50 expansion unit is a compact unit that accommodates the Media Bay Modules (MBM)
used by other Avaya BCM platforms. The BCM50 main unit can support a maximum of two
expansion units. For more information, see "Avaya BCM expansion cabinet or unit and media bay
modules" (page 31).
The wall-mount bracket is an inexpensive bracket for mounting the BCM50 or expansion unit to a
wall; for more information, see "Mounting kits" (page 32). An optional wiring card, which
provides RJ-45 connectors for all main unit trunk and station interfaces, is also available for use
with the wall-mount bracket.
The rack-mount shelf is an inexpensive shelf for mounting a maximum of four BCM50 systems
into a standard 19-inch rack. For more information, see "Mounting kits" (page 32). An optional
patch field that provides RJ-45 connectors for all main unit trunk and station interfaces is also
available.
BCM50 supports the complete range of IP telephony capability offered by existing Avaya BCM
products. These features are enabled through keycodes and require no additional hardware:
•VoIP Gateway (H.323 or SIP): up to 12 VoIP trunks
•VoIP Telephony Clients: up to 32 VoIP Telephony clients, that support the Avaya 2050 IP
Softphone client, the Mobile Voice Client 2050 and the complete range of Avaya IP
Deskphones
BCM50 physical dimensions
BCM50 has a compact plastic enclosure so that you need not add hardware to enable features and
applications. The compact size and flexible installation options support fast installations and
accommodate the diverse environmental and physical conditions of small businesses.
Table 2"BCM50 physical dimensions" (page 20) describes the physical dimensions of the BCM50
main unit and expansion unit.
Table 2 BCM50 physical dimensions
DimensionsBCM50 main unitBCM50 expansion unit
Height2 in. (5.1 cm)2 in. (5.1 cm)
Width8.5 in. (21.6 cm)8.5 in. (21.6 cm)
Depth12.5 in. (31.8 cm)12.5 in. (31.8 cm)
The BCM50 main unit and expansion unit design features include in following components:
•external power supply
•stackable units
NN40170 -103
•rubber feet that allow unit installation on a desktop or a shelf
•optional wall-mount bracket
•optional rack-mount shelf
BCM50 physical interfaces
The BCM50 interfaces preclude the need for additional hardware. See Figure 4"BCM50 Front
panel and interfaces" (page 21) for a graphical representation of the BCM50 interfaces.
Figure 4 BCM50 Front panel and interfaces
BCM50 hardware Chapter 321
Your BCM50 is equipped with these interfaces:
•Twelve digital station ports support the complete line of Business Series Telephones.
These ports are accessible through the front panel RJ-21 connector and are enabled
through keycodes.
•Four Analog Loop Supervised Trunks. These ports are accessible through the front panel
RJ-21 connector and are enabled through keycodes.
•Four Analog Station interfaces with message waiting and CLID support. These ports are
accessible through the front panel RJ-21 connector and are enabled through keycodes.
•Page and auxiliary relay output on the front panel RJ-21 connector.
•Three-port 10/100 Ethernet switch with automatic sensing and automatic polarity. Two of
these ports support connecting optional expansion units.
•One 10/100 Ethernet port reserved for direct-access management of the system.
•Music on hold input supported either through the front panel jack or an RJ-21 connector.
•USB port to enhance BCM50 management.
You can extend the capacity of your system by using the optional Avaya BCM expansion cabinet
or unit and media bay modules (page 31).
System Overview
22Chapter 3 BCM50 hardware
BCM50e BCM50a: Avaya BCM systems with integrated
routers
BCM50 is available with an optional integrated ADSL or Ethernet router. These units suit the
needs of small businesses and small enterprise branch offices that require external data
networking, such as Internet access or VPN-based networking to other offices.
Two variations of the BCM50 have an integrated router, depending on the WAN interface you
require: the BCM50e (Ethernet WAN). The routers have the following data features:
•secure Internet access
•multisite VoIP trunking using secure VPN tunnels
•wide-area VoIP applications with remote user support
•remote IP management and support using VPN clients
Common features and capabilities
BCM50e has four additional LAN ports and 1 port for the Ethernet WAN connection for local
premises use. All Ethernet ports are 10/100 Mb/s automatic sensing and support automatic
polarity. Therefore, you require no crossover cable to connect data hardware to the unit. An
additional port is provided for WAN access for, either Ethernet or ADSL.
The following features makes BCM50e attractive for small sites that want to become
Internet-capable and multisite enterprises with many small sites. Until now, these sites could not
be part of the corporate WAN because of the high cost of traditional WAN connectivity and
managed service.
VPN
•10 IPSec Branch Office Tunnels (peer-to-peer)
•IPSEC client termination supported
•support for bandwidth management
•support for Dynamically addressed peers – ABOT
•support for Client Tunnel origination (not termination) to simplify the connection to a
larger VPN Router network
•IKEv1 Main Mode
•IKEv1 Quick Mode
•Diffie-Hellman Group 1,2
•IPSec Tunnel Mode
•ESP
•NAT Traversal
Security Services
•cryptographic services
•DES and 3DES
•data authentication SHA-1
NN40170 -103
•data authentication MD-5
•authentication services
•preshared secrets
•security services
•stateful firewall
•intrusion detection
•AES support
•digital certificates supported
•RADIUS support
NAT
•many-to-one, static, many-to-many
•port forwarding
•IPSec pass through
•NAT support for tunnel mode IPSec tunnels
•Throughput traffic performance - 23.1 Mb/s
Router
BCM50 hardware Chapter 323
•Clear text routing
•Static: through tunnel
•RIP v1: through tunnel and clear text
•RIP v2: through tunnel and clear text
IP Services
•DHCP client
•DHCP server with support for Avaya Internet Telephones
•DHCP Relay supported
•DNS Proxy
•DNS with VPN client
•WAN failover supported
•PPPoE
•PPTP (ethernet router only)
•Configurable MAC address
•Clear text traffic:
— WAN to LAN 33.9 Mb/s
— LAN to WAN 30.5 Mb/s
System Overview
24Chapter 3 BCM50 hardware
BCM50e
The BCM50e in Figure 5"BCM50e front panel" (page 24) provides call-processing and
data-routing features and is suitable for networks that require data-routing capability using an
integrated Ethernet router. The WAN interface port provides 10/100 Ethernet with automatic
sensing and automatic polarity. If you have existing or alternative WAN access technology, you
can still benefit from the VoIP features of the BCM50.
Figure 5 BCM50e front panel
BCM50a
The BCM50a (see Figure 6) provides call-processing, data-routing features, and an integrated
ADSL modem. The BCM50a is a stand-alone set of integrated applications. With the BCM50a,
you have complete voice and Internet service with efficiency and convenience.
Figure 6 BCM50a front panel
These features provide a complete, integrated Communications Server/ADSL access package for
ease of interconnecting with service-provider ADSL networks:
•ITU G.992.1 (G.DMT)
•G.992.1 Annex A
•ITU G.992.2 (G.Lite)
•ANSI T1.413 Issue 2
•DSL Forum document TR-042 ATM Transport over ADSL
•G.hs 994.1
•G.ploam G.997.1
•Autonegotiation rate adaptation
•RFC 2364 PPP over AAL5
•RFC 2684 Multi protocol Encapsulation over ATM, both Bridged and Routed
encapsulation
•Support for British Telecom SIN 329
NN40170 -103
BCM50 hardware Chapter 325
•Broadband IP Products requirements for End User NTE equipment, where the router and
ADSL modem functions are integrated into one device
•RFC 1483 Multi-protocol over AAL5
•RFC 2365 PPP over AAL5
System Overview
26Chapter 3 BCM50 hardware
•RFC 2516 PPPoE
•Traffic-shaping UBR, CBR
•ATM forum UNI 3.1/4.0 PVC (minimum 5 PVCs)
BCM50b, BCM50ba, and BCM50be: Avaya BCM systems with
integrated BRIs
The BCM50 system provides private network and telephony-management capability to small and
medium businesses the EMEA and APAC markets. The BCM50 integrates voice and data
capabilities, IP telephony gateway functions, and data-routing features into a single telephony
system. The BCM50 is a compact system that you use to create and provide telephony applications
for use in a business environment.
Common features and capabilities
•BRI Compact Daughter Card (CDC)— Performance conforms to ITU I.430, ETSI ETS
300012, ANSI T1.605, and safety standards and lightening protection
•Additional CDC connector, for a total of two CDC slots
•Xilinx FPGA - XC3S400-4FT256C
•Integrated eight-port 10/100 Ethernet switch to support future eDSP CDC (upgraded from
five-port)
•2.5 in. hard drive and new bracket
•Optimized position of fan cable, SATA cable, and hard-drive connector
•POL Current Limiting
•Introduce BRI and improve pack performance, and customer feature set.
•Memory parity
•Upgrade DSP and microprocessor
•GASI support
BCM50b
The BCM50b Main Unit provides functionality similar to the BCM50 main unit. The difference is
that the BCM50b main unit has two integrated BRI ports that replace the four analog lines on the
RJ-21 telephony connector.
•new CSC with integrated BRI in place of integrated GATI
•keycode BRI ports
Figure 7"BCM50b front panel" (page 27) shows a BCM50b front panel.
NN40170 -103
BCM50 hardware Chapter 327
Figure 7 BCM50b front panel
BCM50ba
The BCM50ba Main Unit provides similar functionality to the BCM50a main unit. The difference
is that the BCM50ba main unit has two integrated BRI ports that replace the four analog lines on
the RJ-21 telephony connector.
Figure 8"BCM50ba front panel" (page 27) shows a BCM50ba front panel.
Figure 8 BCM50ba front panel
BCM50be
The BCM50be Main Unit provides similar functionality to the BCM50e main unit. The difference
is that the BCM50be main unit has two integrated BRI ports that replace the four analog lines on
the RJ-21 telephony connector.
Figure 9"BCM50be front panel" (page 27) shows a BCM50be front panel.
Figure 9 BCM50be front panel
System Overview
28Chapter 3 BCM50 hardware
NN40170 -103
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