ViewSonic EP5542 User Manual page 11

1. USB 1 (DC 5.0V/0.5A)
USB for the poster. This USB port can't not use for FW update.
2. USB 2 (DC 5.0V/0.5A)
USB for the poster. This USB port can't not use for FW update.
3. RJ45
Enable connection to cable and log on to Internet.
Remote Sensor
2
3 2 1