Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
10
NDiS M422 User Manual
Chapter 2: Jumpers and Connectors
RS-232 COM Port
Connector type: RJ-50
Connector location: COM1
Pin
Definition
Pin
Definition
1
SP_RTS1
2
NC
3
SP_TXD1
4
GND
5
NC
6
SP_RXD1
7
NC
8
GND
GND
MH1 MH2
USB 2.0 Ports
Connector type: Dual USB 2.0 ports
Connector location: USB1
Pin
Definition
Pin
Definition
1
VCC5
2
USB_0N
3
USB_0P
4
CH_GND
5
VCC5
6
USB_1N
7
USB_1P
8
CH_GND
MH1
CH_GND
MH2
CH_GND
MH3
CH_GND
MH4
CH_GND