Tripp Lite S3M60K60K6T Owners Manual S3M 3-Phase UPS Systems for Models S3M25- - Page 74
USB Communication Port Definition
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6. Communications 6.3 USB Communication Port Definition Notes: • The USB, RS-232 and RS-485 interfaces cannot be used simultaneously. Only one interface can be used at a time. • These three communication ports use a MODBUS protocol. Refer to the S3M10-20kVA 3-Phase MODBUS Owner's Manual. The USB communication port is a USB Type-B female connector. Connections Between the Connected Computer's USB Port and UPS System's USB Port Computer USB Port Pin 1 Pin 2 Pin 3 Pin 4 UPS USB Port Pin 1 Pin 2 Pin 3 Pin 4 Description Computer: +5V Computer: DPLUS signal Computer: DMINUS signal Signal ground Available Functions of the USB Port • Monitor UPS power status • Monitor UPS alarm info • Monitor UPS running parameters • Timing off/on setting • One-to-one communication, UPS to computer, at a distance less than 1.5 m USB Communication Data Format • Baud rate: 9600 bps • Byte length: 8 bit • End bit: 1 bit • Parity check: None 74
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