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Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Hardware Installation Guide
OL-15959-01
1
Overview of the Cisco VG202, Cisco VG202XM,
Cisco VG204, and Cisco VG204XM Voice
Gateways
• Overview, page 1-1
• Physical Description, page 1-2
• Port Numbering Conventions, page 1-6
• Interfaces and Service Capabilities, page 1-6
• Software Elements, page 1-7
• Memory, page 1-8
• Hardware and Electrical Specifications, page 1-8
• Chassis Grounding, page 1-8
• Voice Gateway Deployment, page 1-9
Overview
The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways are analog
voice gateways for the service provider, commercial, and enterprise unified communication markets.
These voice gateways provide voice connectivity to devices such as analog phones, fax machines, and
modems.
The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways provide
support for 2-FXS (Cisco VG202 and Cisco VG202XM) and 4-FXS (Cisco VG204 and
Cisco VG204XM) ports and parity with Cisco IOS fax/modem, security, and Session Initiation Protocol
(SIP) features. These voice gateways can be configured with Cisco Unified Communications Manager
Express (CUCME) or Cisco Unified Communications Manager (CUCM).
The Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM voice gateways support the
following interfaces:
• 10/100 Fast Ethernet connection
• RJ-11 Foreign Exchange Station (FXS) interface
• DC input