Peregrine Systems DPND-523-EN12, Руководство по установке

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External Modem | 159
Setup Guide
Required
External USB tape drive, providing at least 20 gigabytes of uncompressed
storage. The connector must be USB. The tape drive must work with Linux USB
storage drive.
External Modem
Used for
Alphanumeric paging
Required
Must conform to ITU Recommendations V.32, V.22 bis, V.22, V.23, V.25, V.21 (that
is, be able to operate from 1200 up to 9600 bits/second)
or better (that is, may
also conform to additional ITU Recommendations V.90, V.34, V.42, V.42 bis, V.32
bis, V.8 and so on.)
Operate by means of a well documented AT command set (that is, command set
documentation must be available for the modem)
Must conform to local regulatory requirements for connection to the telephone
network (FCC, DOC, JATE and so on.)
Must work with Linux ACM/USB drivers.
The connector must be USB.
Adding a CPU or a modem later
You can add a second Pentium III 1.4 GHz or better processor to an IBM xSeries
330 or Dell 1650 version of the Peregrine appliance to increase its capacity from
a maximum of 4,000 to a maximum of 8,000 devices.
You can add a second CPU to an IBM xSeries 335 or Dell 1750 version of the
Peregrine appliance to improve its performance.