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Cisco VG202 and Cisco VG204 Voice Gateways Hardware Installation Guide
OL-15959-01
Chapter 1 Overview of the Cisco VG202 and Cisco VG204 Voice Gateways
Port Numbering Conventions
The onboard flash memory contains the Cisco IOS software image, boot flash contains the ROMMON
boot code, and the anti-counterfeiting solution contains the cookie configuration.
The Cisco IOS software is contained in 128 MB of flash memory on the Cisco VG202 and VG204 voice
gateways. Onboard CPU memory is 128 MB.
Port Numbering Conventions
Port numbering conventions for the Cisco VG202 and VG204 voice gateways are as follows:
• Fast Ethernet ports are numbered 0 and 1, from left to right.
• FXS voice port numbering begins at 0 and reaches a maximum of 2 or 4, depending on the number
of voice ports, from left to right.
Specifications
Table 1-2 shows the hardware and electrical speicfications for the Cisco VG202 and VG204 voice
gateways.
Software Elements
The operating system for the Cisco VG202 and VG204 voice gateways is the Cisco IOS software that
resides in flash memory.
Configuration Connections
You can use an ASCII terminal or a PC to configure a Cisco VG202 or Cisco VG204 voice gateway.
The configuration can be performed in several ways:
• Locally, with a direct connection through the serial port
• Remotely, with a connection through the serial port
• Through Telnet and TFTP
Ta b l e 1-2 Cisco VG202 and Cisco VG204 Voice Gateway Technical Specifications
Characteristic Value
Dimensions 1.75H x 9.75W x 8.0D in. (44.45 x 247.65 x 203.2 mm)
Weight 3.422 lb (1.55 kg) max
Input power 30 W
Operating temperature 32 to 104° F (0 to 40° C)
Operating humidity 5 to 95%, noncondensing
Noise level n/a
Agency approvals See the Regulatory Compliance and Safety Information for the Cisco VG202 and
Cisco VG204 Voice Gateways document.
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