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TAR-120-M12 / TAR-3120-M12 User’s Manual
ORing Industrial Networking Corp. 10
MDI/MDI-X pins assignment
Pin Number
MDI port
MDI-X port
1 RD+(receive)
TD+(transmit)
2 TD+(transmit)
RD+(receive)
3 RD-(receive)
TD-(transmit)
4 TD-(transmit)
RD-(receive)
Note:
“+” and “-” signs represent the polarity of the wires that make up each wire pair.
4.3 Wireless
Antenna
2.4GHz/5.8GHz antenna is used for the WLAN interface of TAR120-M12 / TAR-3120-M12
and connected with a reversed SMA connector. 850/900/1800/2100MHz antenna is used
for built-in HSUPA modem. External RF cable and antenna also can be applied with this
connector.
Cellular Antenna
WLAN Antenna
WLAN Antenna