Nextar NP-610X user manual USB Master port

COM3 [RS-485] connect RS-485 2 wire Device

COM3 [RS-485] connect RS-485 4 wire Device

NP-610X COM1 [RS-485] 9P D-SUB Female

4Data+

5Data-

1GND

NP-610X COM1 [RS-485] 9P D-SUB Female

1Rx-

2Rx+

3Tx-

4Tx+

5GND

RS-485 2 wire Device

Data+

Data-

RS-485 4 wire Device

Tx-	RS485 Transmit
Tx+	RS485 Transmit
Rx-	RS485 Receive
Rx+	RS485 Receive

2.3.3 USB Master port

The USB Master port can connect USB mouse and USB keyboard.

The USB Master port support USB 2.0 full-speed host (12Mbps).

This port support USB Mass storage device. But the USB hard disk must use external power.

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