Appendix B Formatting the Compact Flash Memory Cards

Formatting Procedures for Compact Flash Memory Cards

The following examples show sample outputs for Class B and Class C flash file systems:

External Card with Class B Flash File System

The geometry and format information is not displayed for this format:

Router# show slot0: all

Partition

Size

Used

Free

Bank-Size

State

Copy

Mode

 

 

 

 

 

 

 

1

31360K

6502K

24857K

0K

Read/Write

Direct

Slot0

CompactFlash directory:

 

 

 

File

Length

Name/status

 

 

 

 

 

addr

 

fcksum

ccksum

 

 

 

1

6658376 cvg224-i-mz

 

 

 

 

 

0x40

 

0xE0FF

0xE0FF

 

 

 

[6658440 bytes used, 25454200 available, 32112640 total]

 

31360K bytes of ATA Slot0 CompactFlash (Read/Write)

 

 

Chip

information NOT available.

 

 

 

External Card with Class C Flash File System

The geometry and format information is displayed in this forma:

Router# show slot0: all

-#- --

length-- -----

date/time------

path

16658376 Mar 01 1993 04:27:46 cvg224-i-mz

25268224 bytes available (6664192 bytes used)

******** ATA Flash Card Geometry/Format Info ********

ATA CARD GEOMETRY

 

Number of

Heads:

4

Number of

Cylinders

490

Sectors per Cylinder

32

Sector Size

512

Total Sectors

62720

ATA CARD FORMAT

 

Number of

FAT Sectors

31

Sectors Per Cluster

8

Number of

Clusters

7796

Number of

Data Sectors

62560

Base Root

Sector

155

Base FAT Sector

93

Base Data

Sector

187

Internal Card with Class B Flash File System

The geometry and format information is not displayed for this format:

Router# show flash: all

 

 

 

Partition

Size

Used

Free

Bank-Size

State

Copy

 

 

 

Mode

 

 

 

 

 

 

 

1

125184K

20390K

104793K

0K

Read/Write

 

 

 

 

 

Direct

 

 

 

 

 

 

 

 

 

 

Cisco VG224 Voice Gateway Software Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B-2

 

 

 

 

 

 

 

OL-5005-01

 

 

 

 

 

 

 

 

 

 

Page 44
Image 44
Cisco Systems VG224 manual Geometry and format information is displayed in this forma, Router# show slot0 all

VG224 specifications

The Cisco Systems VG224 is a versatile VoIP (Voice over Internet Protocol) gateway designed to facilitate the integration of traditional phone systems with modern IP-based communications. This device plays a crucial role in providing connectivity between analog phones and digital networks, allowing organizations to transition smoothly from legacy telephony systems to IP telephony.

One of the standout features of the VG224 is its ability to support up to 24 analog phone lines. This scalability makes it an ideal choice for small to medium-sized businesses that require a dependable solution to handle their telephony needs without overspending on infrastructure. The VG224 acts as a bridge, converting analog voice signals into digital IP packets, thus enabling seamless communication over the Internet or intranets.

The VG224 is equipped with a range of technologies that enhance its functionality and reliability. Voice activity detection (VAD), comfort noise generation (CNG), and echo cancellation are just some examples of the advanced audio processing techniques integrated into the VG224. These technologies improve call quality by ensuring clear and uninterrupted conversations, even under varying network conditions.

In terms of characteristics, the VG224 features a user-friendly interface with a web-based management console, making it easy for network administrators to configure and manage the device remotely. This streamlined approach to management is crucial for businesses that require quick adjustments to their communication infrastructure without the need for extensive technical knowledge.

The VG224 supports multiple signaling protocols, including H.323, MGCP (Media Gateway Control Protocol), and SIP (Session Initiation Protocol). This flexibility allows it to integrate seamlessly with various IP telephony systems and offers businesses the option to utilize their preferred communication standards. Additionally, the device supports power over Ethernet (PoE), providing the convenience of powering devices through the same cable used for data connectivity, thus reducing the need for additional power sources.

In conclusion, the Cisco Systems VG224 is a robust VoIP gateway that combines advanced technology with user-friendly features. Its capacity to support up to 24 analog lines, along with its compatibility with various signaling protocols, makes it an excellent choice for businesses looking to modernize their telecommunication systems while maintaining the reliability of traditional analog connections. With its ease of management and high-quality voice processing capabilities, the VG224 stands out as a key asset for any organization aiming to optimize its communication infrastructure.