Communication Cards
3-2 Rev 2/01
3.3 PRODUCT DESCRIPTIONS
The communications cards provide communications between the EF-Series unit and the Internet host
system provided by the eFlow Internet Measurement Services powered by Aurion. The communica-
tions cards install directly onto the Main Electronics Board at P3 and activate the host port (Comm1)
when installed. The following cards are available:
♦
EIA-232 Serial Communications Card (standard)
♦
EIA-485 Serial Communications Card (optional)
♦
Dial-up Modem Communications Card (optional)
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