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6 Overview for the Avaya G250 and Avaya G350 Media Gateways
About this book
This guide contains information that you need to consider before implementing the A vaya G250
or Avaya G350 Media Gateway. Use this guide to learn what the G250/G350 can do and to plan
how you will deploy a G250/G350 in your environment.
Audience
The information in this book is intended for use by Avaya technicians, provisioning specialists,
Business Partners, and customers.
Downloading this book and updates from the web
You can download the latest version of Overview for the Avaya G250 and Avaya G350 Media
Gateways from the Avaya web site. You must have access to the Internet, and a copy of
Acrobat Reader must be installed on your personal computer.
Avaya makes every effort to ensure that the information in this book is complete and accurate.
However, information can change after we publish this book. Therefore, the Avaya web site
might also contain new product information and updates to the information in this book. You can
also download these updates from the Avaya web site.
Downloading this book
1. Access the Avaya web site at http://www.avaya.com/support.
2. Click FIND DOCUMENTATION and TECHNICAL INFORMATION by PRODUCT NAME.
3. Type this book’s document number (03-300435) in the Search box.
4. Click GO.
The search results appear.
5. Locate the latest version of the book.
6. Click the book title. Your browser downloads the book.
Issue 5 June 20087
About this book
Related resources
TitleNumber
Quick Start for Hardware Installation: The Avaya G250 Media Gateway03-300433
Quick Start for Hardware Installation: The Avaya G350 Media Gateway03-300148
Installing and Upgrading the Avaya G250 Media Gateway03-300434
Installing and Upgrading the Avaya G350 Media Gateway03-300394
Administration for the Avaya G250 and Avaya G350 Media Gateways03-300436
Avaya G250 and Avaya G350 CLI Reference03-300437
Maintenance Alarms for Avaya Communication Manager,
Media Gateways and Servers
Maintenance Commands for Avaya Communication Manager,
Media Gateways and Servers
Maintenance Procedures for Avaya Communication Manager,
Media Gateways and Servers
Technical assistance
Avaya provides resources for technical assistance within the US and internationally.
Within the US
For help with:
●Feature administration and system applications, call the Avaya Technical Consulting
Support System at 1-800-225-7585
03-300430
03-300431
03-300432
●Maintenance and repair, call the Avaya National Customer Care Support Line at
1-800-242-2121
●Toll fraud, call Avaya Toll Fraud Intervention at 1-800-643-2353
8 Overview for the Avaya G250 and Avaya G350 Media Gateways
International
For all international resources, contact your local Avaya authorized dealer.
Sending us comments
Avaya welcomes your comments about this book. To reach us by:
●Mail, send your comments to:
Avaya Inc.
Product Documentation Group
Room B3-H13
1300 W. 120th Ave.
Westminster, CO 80234 USA
Sending us comments
●E-mail, send your comments to:
document@avaya.com
●Fax, send your comments to:
1-303-538-1741
Ensure that you mention the name and number of this book, Overview for the Avaya G250 and Avaya G350 Media Gateways, 03-300435.
Issue 5 June 20089
About this book
10 Overview for the Avaya G250 and Avaya G350 Media Gateways
Chapter 1:Introduction
The Avaya CM Branch Gateways (Avaya G250 and A vaya G3 50 Media Gateways) form p art of
Avaya’s solution for extending communication capabilities from the headquarters of an
organization to all collaborative branch locations. Avaya CM Branch Gateways h elp you provide
the same high quality services to all organization members, regardless of their location.
The Branch Gateways are high-performance converged telephony and networking devices that
are located in small branch locations, providing all infrastructure needs in one box — telephone
exchange and data networking. The Branch Gateways each feature a V oIP engine, W AN router ,
and Power over Ethernet LAN connectivity. The G350 provides full support for legacy IP, DCP,
and analog telephones. The G250 supports legacy IP and analog telephones. In addition, the
G250-DCP model supports DCP telephones.
The G350 is designed for use in an eight to 72 user environment, aimed at branch offices with
16 to 40 stations. The G250 is designed for use in a two t o 12 user environment, aimed at small
branch offices with two to eight stations.
Telephone services on a Branch Gateway are controlled by a Media Gateway Controller (MGC).
You can use an Avaya S8XXX Server running Communication Manager (CM) call processing
software as an MGC. The gateway integrates seamlessly with Avaya S8700, S8710, S8720,
S8730, S8500, S8400, and S8300 Servers to provide the same top quality telephony services
to the small branch office as to the headquarters of the organization.
Note:
Note:The S8700 Server cannot be upgraded to CM 5.0.
The Branch Gateways can subtend to an MGC located at the headquarters or the MGC can be
installed locally. The Branch Gateways can optionally house an internal Avaya S8300 server for
Enhanced Local Survivability (ELS), providing full MGC functionality in the event that the
connection with the primary MGC is lost, or as the primary MGC for standalone deployment.
When the primary MGC is located at a remote location, the Branch Gateway features Standard
Local Survivability (SLS). SLS provides partial backup MGC functionality in the event that the
connection with the primary MGC is lost.
In addition to advanced and comprehensive telephony services, the Branch Gateways provide
full data networking services, precluding the need for a WAN router or LAN switch.
Issue 5 June 200811
Introduction
Avaya G350 Media Gateway Overview
The G350 is a modular device, adaptable to support different combinations of en dpoint devices.
Pluggable media modules provide interfaces for different types of telephones and trunks. A
combination is selected to suit the needs of the branch. A LAN media module with PoE
standard compliant Ethernet ports provides support for IP telephones as well as all other types
of data devices. A range of telephony modules provides full support for legacy equipment such
as analog and digital telephones.
Avaya G250 Media Gateway Overview
The G250 supports the connection of PCs, LAN switches, IP telephones, analog telephones,
and trunks, via fixed analog and PoE ports on the chassis. A media module slot supports either
of two WAN media modules, for connection to a WAN. There are several models of the G250,
with various port combinations for support of analog, BRI, or T1/E1 trunks or DCP telephones,
as described below.
The G250 is available in the following models:
●Analog model (G250-Analog). The G250-Analog includes four analog trunk ports, two
analog line ports, a Fast Ethernet WAN port, and eight PoE LAN ports.
●BRI model (G250-BRI). The G250-BRI includes two ISDN BRI trunk ports, one analog
trunk port, two analog line ports, a Fast Ethernet WAN port, and eight PoE LAN ports.
●DCP model (G250-DCP). The G250-DCP provides twelve DCP (Digital Communications
Protocol) ports, as well as four analog trunk ports, two analog line ports, a Fast Ethernet
WAN port, and two LAN ports.
●DS1 model (G250-DS1). The G250-DS1 provides a T1/E1 and a PRI trunk port, enabling
support of fractional T1/E1 and PRI. The G250-DS1 also includes one analog trunk port,
two analog line ports, a Fast Ethernet WAN port, and eight PoE LAN ports.
Features
G250 and G350 features include:
●Voice
- Support for traditional telephones and trunks. In particular, the G250 and G350
support:
12 Overview for the Avaya G250 and Avaya G350 Media Gateways
●Two built-in line ports to support two analog telephones or incoming analog DID
trunks
●One analog trunk (fou r in the G250-Analog and the G250-DCP) to support a trunk
or trunks of the following types:
-Loop start
-Ground start (G350 only)
-CAMA (G350 only)
-DIOD (Japan only)
- Survivability features for continuous voice services
- VoIP Media Gateway services
- Call center capabilities
●WAN
- WAN Quality of Service (QoS)
- Routing protocols (OSPF, RIP)
- PPPoE
Features
- Weighted Fair Queuing (WFQ)
- Policy-based routing
- DHCP client, server, and relay functions
- GRE tunneling
- Dynamic IP addressing
- Fax and modem over IP
- Object tracking
●Server
- DHCP servers
- TFTP servers
●LAN
- Power-over-Ethernet LAN Switching
-VLANs
- Spanning Tree Protocols
-IEEE 802.1D (STP)
-IEEE 802.1w (RSTP) (G350 only)
- Port mirroring
- Port redundancy (G350 only)
Issue 5 June 200813
Introduction
●Security
●Provisioning
●Survivability
- RADIUS Authentication support
- SNMP traps (v1 and v2 only) sent to the primary controller
-SNMP v3
- SSH Authentication support
- VPN support
- 802.1x support
- Secrets management with Master Configuration Key (MCK) encryption
- Avaya Communication Manager (CM) server management
- Extensive alarming and troubleshooting features
- Modem access for remote administration
- MGC automatic switchover, migration, and survivability features
- Modem backup connection to the MGC
- Standard Local Survivability (SLS)
- Dynamic Call Admission Control (CAC) for Fast Ethernet, Serial, and GRE tunnel
interfaces
- Inter-Gateway Alternate Routing (IGAR)
●Management applications
- Avaya G250/G350 Manager
- Embedded Web Manager (G350 only)
14 Overview for the Avaya G250 and Avaya G350 Media Gateways
G250 physical description
Figure 1: The Avaya G250-Analog Media Gateway Chassis
G250 physical description
1
4
6
7
9
3
Figure notes:
1. V1 — ICC/LSP Slot
2. V2 — WAN Media Module Slot
3. Analog port LEDs
4. Analog trunks
5. Analog line ports
6. System LEDs
7. Console port
5
8
8. USB port
9. Contact Closure (CCA) port
10. Ethernet WAN (ETH WAN) port
11. PoE LAN (ETH LAN PoE) ports
12. Reset (RST) button
13. Alternate Software Bank (ASB) button
10
Figure 2: The Avaya G250-BRI Media Gateway Chassis
1
4
6
10
12
3
8
5
7
9
11
2
11
12
13
2
13
15
14
Figure notes:
1. V1 — ICC/LSP Slot
2. V2 — WAN Media Module Slot
3. Analog port LEDs
4. Analog trunk
5. Analog line ports
6. ISDN BRI LEDs
7. ISDN BRI trunks
8. System LEDs
9. Console port
10. USB port
11. Contact Closure (CCA) port
12. Ethernet WAN (ETH WAN) port
13. PoE LAN (ETH LAN PoE) ports
14. Reset (RST) button
15. Alternate Software Bank (ASB) button
Issue 5 June 200815
Introduction
Figure 3: The Avaya G250-DCP Media Gateway Chassis
1
8
3
4
Figure notes:
1. V1 — ICC/LSP Slot
2. V2 — WAN Media Module Slot
3. Analog port LEDs
4. Analog trunks
5. Analog line ports
6. System LEDs
5
7
6
7. Console port
8. USB port
9. Contact Closure (CCA) port
10. Ethernet WAN (ETH WAN) port
11. ETH LAN ports
12. DCP ports
13. DCP port LEDs
9
10
Figure 4: The Avaya G250-DS1 Media Gateway Chassis
1
11
2
13
12
2
6
3
5
4
Figure notes:
1. V1 — ICC/LSP Slot
2. V2 — WAN Media Module Slot
3. Analog port LEDs
4. Analog trunk
5. Analog line ports
6. T1/E1/PRI trunk interface LEDs
7. T1/E1 interface
8. Service
7
11
8
10. Console port
11. USB port
12. Contact Closure (CCA) port
13. Ethernet WAN (ETH WAN) port
14. PoE LAN (ETH LAN PoE) ports
15. Reset (RST) button
16. Alternate Software Bank (ASB) button
10
9
9. System LEDs
12
13
14
15
16
16 Overview for the Avaya G250 and Avaya G350 Media Gateways
G250 physical description
For information about the different media modules that can be housed in the G250 media
module slots, see Chapter 2: Optional components
.
Table 1: Fixed ports and buttons on the G250 front panel
PortDescription
TRUNKFour analog trunk ports (G250-Analog Media
Gateway, G250-DCP Media Gateway) or one
analog trunk port (G250-BRI Media Gateway,
G250-DS1 Media Gateway). These fixed trunk
ports support loop-start, DIOD (for Japan only)
trunks, and caller ID detection.
LINETwo analog telephone ports. An analog relay
provides Emergency Transfer Relay (ETR) feature.
For the G250-Analog and G250-DCP, the relay is
between TRUNK port 304 and LINE port 305. For
the G250-BRI and G250-DS1, the relay is between
TRUNK port 301 and LINE port 302. Also used for
incoming analog DID trunks with either wink-start
or immediate-start.
ISDN BRI TRUNK
(G250-BRI Media
Gateway)
Two 4 wire S/T ISDN BRI (Basic Rate Interface)
2B+D access ports with RJ-45 jacks. Each port
interfaces to the central office at the ISDN T
reference point. The ISDN BRI trunk ports do not
support:
●BRI stations
●Combining both B channels together to form
a 128-kbps channel
CONSOLEConsole RS-232 interface port for direct
connection of CLI console. RJ-45 connector.
USBUSB port. Supports the connection of
●USB flash drive
●USB externally powered hub
●The Multitech MultiModemUSB
MT5634ZBA-USB-V92 USB modem
CCARJ-45 port for ACS (308) contact closure adjunct
box.
ETH WANRJ-45 10/100 Base TX Ethernet port for
connection to a cable or DSL broadband modem/
router.
1 of 2
Issue 5 June 200817
Introduction
Table 1: Fixed ports and buttons on the G250 front panel (continued)
PortDescription
ETH LAN POE
(G250-Analog, G250-BRI,
and G250-DS1)
Eight Power over Ethernet (PoE) LAN ports with
80 watts (aggregated for all ports) for connecting
IP phones or any Ethernet devices, such as PCs.
RST Reset button. Resets chassis configuration.
ASB Alternate Sof tware Bank button. Reboot s the G250
with the software image in the alternate bank.
DCP (G250-DCP)Twelve DCP ports. These DCP ports are intended
for in-building use only.
T1/E1 port (G250-DS1)For T1, this port is capable of supporting inband
signalling across all 24 channels (supports a
maximum bandwidth of 1.536 Mbps).
For E1, this port is capable of supporting R2MFC
signalling across all 30 channels (supports a
maximum bandwidth of 1.92 Mbps).
PRI port (G250-DS1)The PRI port is capable of supporting PRI
signalling for 23 or 30 bearer channels. NFAS
signalling is not supported.
2 of 2
18 Overview for the Avaya G250 and Avaya G350 Media Gateways
G350 physical description
Figure 5: The Avaya G350 Media Gateway Chassis
1
G350 physical description
2
4
7
89
Figure notes:
1. V6 — high-density media module slot
2. V2 — standard media module slot
3. V5 — standard media module slot
4. V1 — slot for standard media module or S8300 Server
5. V4 — standard media module slot
6. V3 — standard media module slot
7. Analog port LEDs
8. Analog trunk
10
11
12
13
14
15
16
3
5
6
17
9. Analog line ports
10. CCA (Contact Closure) port
11. ETH WAN port
12. ETH LAN port
13. System LEDs
14. Console port
15. USB port
16. RST button
17. ASB button
For information about the different media modules that can be housed in the G350 media
module slots, see Chapter 2: Optional components
.
Table 2: Fixed ports and buttons on the G350 front panel
Port/ButtonDescription
TRUNKAn analog trunk port. Part of an integrated analog
media module. The fixed trunk port supports
loop-start, ground-start, CAMA, and DIOD (for
Japan only) trunks.
LINETwo analog telephone ports of the integrated
analog media module. An analog relay between
TRUNK port 7/1 and the furthest left LINE port 7/2
provides Emergency Transfer Relay (ETR) feature.
Also used for incoming analog DID trunks.
1 of 2
Issue 5 June 200819
Introduction
Table 2: Fixed ports and buttons on the G350 front panel (continued)
Port/ButtonDescription
CCARJ-45 port for ACS (308) contact closure adjunct
box.
ETH WANRJ-45 10/100 Base TX Ethernet WAN port.
ETH LANRJ-45 10/100 Base TX Ethernet LAN port.
CONSOLEConsole port for direct connection of CLI console.
RJ-45 connector.
USBUSB port. Supports the connection of:
●USB flash drive
●USB externally powered hub
●The Multitech MultiModemUSB
MT5634ZBA-USB-V92 USB modem
RSTReset button. Resets chassis configuration.
ASBAlternate Software Bank button. Reboot s the G350
with the software image in the alternate bank.
2 of 2
20 Overview for the Avaya G250 and Avaya G350 Media Gateways
Figure 6: The G350 front panel ports and slots
1
G350 physical description
2
4
7
89
Figure notes:
1. V6 — high-density media module slot
2. V2 — standard media module slot
3. V5 — standard media module slot
4. V1 — slot for standard media module or S8300 server
5. V4 — standard media module slot
6. V3 — standard media module slot
7. Analog port LEDs
8. Analog trunk
9. Analog line ports
10
11
12
13
14
15
Table 3: Permitted slots for media modules
Media
Permitted slotsDescription
module
16
3
5
6
17
10. CCA (Contact Closure) port
11. ETH WAN port
12. ETH LAN port
13. System LEDs
14. Console port
15. USB port
16. RST button
17. ASB button
MM312V6Provides 24 ports for connecting DCP telephones.
MM314 V6Provides one copper Gigabit Ethernet port and 24
10/100 Ethernet ports for connecting data devices.
The 24 10/100 Ethernet ports can provide power to
connected devices using Power over Ethernet
(PoE).
MM316V6Provides one copper Gigabit Ethernet port and 40
10/100 Ethernet ports for connecting data devices.
The 40 10/100 Ethernet ports can provide power to
connected devices using Power over Ethernet
(PoE).
MM340V2, V3, V4, V5Provides one E1/T1 data WAN port for connecting
to a WAN endpoint device.
1 of 2
Issue 5 June 200821
Introduction
Table 3: Permitted slots for media modules (continued)
Media
Permitted slotsDescription
module
MM342V2, V3, V4, V5Provides one universal serial data W AN access port
for connecting to a WAN endpoint device.
MM710V1, V2, V3, V4, V5Provides one E1/T1 trunk port for connecting an E1/
T1 telephone trunk.
MM711V1, V2, V3, V4, V5Provides eight universal analog ports for connecting
analog telephones or trunks.
MM712V1, V2, V3, V4, V5Provides eight ports for connecting DCP
telephones.
MM714 V1, V2, V3, V4, V5Provides four analog ports for analog telephones
and four analog ports for analog trunks.
MM716V1, V2, V3, V4, V5Provides one amphenol connector that connects to
a punch down block to provide 24 analog line ports.
MM717V1, V2, V3, V4, V5Provides one amphenol connector that connects to
a punch down block to provide 24 ports for
connecting DCP telephones.
MM720V1, V2, V3, V4, V5Provides eight ports for connecting up to eight ISDN
trunks or 16 ISDN BRI stations.
MM722V1, V2, V3, V4, V5Provides two ports for connecting ISDN trunks.
S8300V1Server
2 of 2
22 Overview for the Avaya G250 and Avaya G350 Media Gateways
Chapter 2:Optional components
The Avaya G350 Media Gateway is a versatile device with powerful capabilities. To implement
the various services that are supported, a variety of swappable internal components called
media modules are available.
Unlike the G350, the Avaya G250 Media Gateway LAN switching and voice ports are built into
the G250’s chassis. However, the G250’s WAN and call controller options are modular, and
accommodate the G350’s data WAN media modules, as well as the S8300 server.
Supported media modules in the G350
Table 4: Supported media modules
Media moduleDescription
S8300CM server
Telephony media modules
MM7118 universal analog ports
MM714 4 analog telephone ports and 4 analog trunk ports
MM71624 analog ports
MM31224 DCP telephone ports
MM7128 DCP telephone ports
MM71724 DCP telephone ports
MM7101 T1/E1 ISDN PRI trunk port
MM7208 ISDN BRI trunk or endpoint (telephone or data) ports
MM7222 ISDN BRI trunk ports
WAN media modules
MM3401 E1/T1 data WAN port
1 of 2
Issue 5 June 200823
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