Allied Telesis AT-8948 Spécifications télécharger pdf (Page 32)

30 AT-8900 Series Switch

C613-03075-00 REV A

The following compact flash cards have been approved for use with the

AT-8900 Series switch:

■ AT-CF032A-nnn 32MB CompactFlash card

■ AT-CF128A-nnn 128MB CompactFlash card

Where n is the number of cards in a package, less than 1000. A package

containing one card is 001.

For the latest list of approved compact flash cards, visit

http:// www.alliedtelesyn.co.nz/support/at8900

Compact flash cards used on the switch must support a hardware access time of no more

than 100 nanoseconds. If a compact flash card does not meet the 100 nanosecond

requirement it may not work as this is the maximum bus timing allowed.

Installing and removing a compact flash card

Compact flash cards can be inserted into the compact flash slot at any time. CLI

messages are displayed when a card is inserted or removed. It takes

approximately two seconds for an inserted card to be initialised. Messages

notify the user when a card has been inserted:

Info (1106257): Compact flash card inserted.

and when the card is ready for use:

Info (1106268): Compact flash card initialisation successful.

A message notifies the user if the compact flash card is not compatible with the

switch:

Info (3106300): Compact flash card initialisation

unsuccessful.

When compact flash is in use, the compact flash Activity LED on the rear panel

of the switch is green.

Do not remove the compact flash card when it is being written to (that is, when

the compact flash Activity LED is lit). Doing so will corrupt data on the file

being written.

Testing a compact flash card

To display information about the basic state of a compact flash card, including

card size, file count and serial number, insert the card and enter the command:

SHOW CFLASH

To display cluster ranges on a card, insert the card and enter:

SHOW CFLASH TEST

Figure 11 on page 31 shows a sample output.

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 38 39 40

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Allied Telesis AT-8948 Spécifications Page 32