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.
G250 Physical Descriptions

- V1 — ICC/LSP Slot
- V2 — WAN Media Module Slot
- Analog port LEDs
- Analog trunks
- Analog line ports
- System LEDs
- Console port
- USB port
- Contact Closure (CCA) port
- Ethernet WAN (ETH WAN) port
- ETH LAN ports
- DCP ports
- DCP port LEDs
Features
G250 and G350 features include:
- Voice
- Support for traditional telephones and trunks. In particular, the G250 and G350 support:
- Two built-in line ports to support two analog telephones or incoming analog DID trunks
- One analog trunk (four 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
- 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) Introduction 14 Overview for the Avaya G250 and Avaya G350 Media Gateways
- Security
- 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
- Provisioning
- Avaya Communication Manager (CM) server management
- Extensive alarming and troubleshooting features
- Modem access for remote administration
- Survivability
- 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)
Includes

Refurbished
Library
Avaya G250 Media Gateway.pdf
Avaya Overview 250 350 Media Gateways Modules.pdf
Comtalkinc -Avaya Products Blog
More Information about the Avaya G250 DCP I/F Media Gateway (700360654) on our Blog.