
H3C AR 46 Series Routers Installation Manual
Chapter 1 Router Overview
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Note:
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Interface cards and modules may be available with multiple versions as the result of
hardware upgrade. To identify the version of a card or module, read the label, for
example, RT-4FXO/RT-4FXO-V2, on the card or module.
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An interface card (including the silkscreen on its panel) looks the same before and
after hardware upgrade. Upgraded interface cards are functionally backward
compatible and some can even provide enhancements. To support the upgraded
hardware, you need to upgrade host software.
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ENDE encryption daughter cards are available only on the ERPU or ERPU(H) on
the AR 40 series.