SkyTrac Systems Ltd.
Document Rev. 01.020 DOC0334 Page 30 of 49
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4.2.6 RS-232 Data ports
These are the RS-232 ports used for sending and receiving serial binary data signals to and from
peripheral devices.
Table 22—RS-232 Port 1 Descriptions
Description and recommended usage
Recommended port for connection to STS peripherals
TX – Data out of ISAT-200
Serial data ground reference
Table 23—RS-232 Port 2 Descriptions
Description and recommended usage
General purpose data port
TX – Data out of ISAT-200
Serial data ground reference
Note: RS-485 Port 2 shares some circuits with RS-232 Port 2. Only one of these ports can
operate at the same time. The functional port is selected via SkyWeb.
4.2.7 Ethernet Port
Table 24—Ethernet Port Descriptions
This is the Ethernet wire set used to transmit data to and from auxiliary devices.
Description and recommended usage
Ethernet transmit port OUT-
Ethernet transmit port OUT+
Ethernet transmit port IN-
Ethernet transmit port IN+
The document reference is online, please check the correspondence between the online documentation and the printed version.