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OEM6 Family Installation and Operation User Manual Rev 7
Figure 84: Example – Connecting HSUSB1 or HSUSB2 to a Micro-AB Type USB Connector
Although all pins on the OEM638 card have ESD protection, a low capacitance TVS device is also
recommended near any enclosure connector for all USB signals (before the signals leave the enclosure
or the PCB).
Table 41: Bill of Materials
E.1.8
Ethernet Port
The OEM638 provides a 10/100 Ethernet port with auto-negotiation. The Ethernet interface is not
enabled by default and may require configuration (refer to details that follow and consult the
manual
(
OM-20000129
)
for instructions on configuring the Ethernet interface
and the
SAVEETHERNETDATA
command.
PHY terminations are provided on the OEM638 card and a 3.3 V output is presented to bias the Ethernet
magnetics. This 3.3 V bias output from the OEM638 card is not to be used for any purpose other than
biasing the Ethernet magnetics.
A reference schematic is shown below.
Designator
Manufacturer
Manufacturer Part Number
U401
Texas Instruments
TPS2051C
D400, D402
On Semi
ESD7L5.0DT5G
CM400, CM402
MuRata
DLP11SN900HL2L