907-0601-00 Rev. C Model 907 Video/Data Multiplexer – User’s Guide
Focal Technologies Corp. Page 5-14
5.12 907-USB (Universal Serial Bus Card)
Note: This card is now obsolete and can no longer be ordered.
The 907-USB expansion card is a special card used to convert USB signals to Ethernet, and vice-versa. This
card is not outfitted with any optical transceivers, and must be used in conjunction with an Ethernet converter
card (e.g. 907-GBES, 907-GBE, 907-MC, 907-EIBS) for USB communications over an optical link.
The card supports USB 1.0, 1.1, and 2.0 standards, and the Ethernet port supports 10Base-T or 100Base-T
Ethernet data rates. The 907-USB expansion card supports asynchronous data formats, such as those
provided by still cameras and other USB storage devices, but not isochronous formats (synchronized but
containing start and stop bits) typically required by web-cameras and other data streaming devices. Any
proposed configuration should be verified with bench testing.
The 907-USB expansion card, shown in Figure 5-12, is typically installed in the remote stack with a short
RJ-45 jumper running from the Ethernet port shown to a free Ethernet port on another card. At the console,
the Ethernet connection is connected to the Network Interface Card (NIC) of a computer running an
application that automatically redirects USB traffic on the computer to the Ethernet link.
Figure 5-12: 907-USB Expansion Card
This card does not use any of the backplane data port links.
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