NEXCOM NISE 2300 - Manual (Page 27)

Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved. 13 NISE 2300 User Manual
Chapter 2: Jumpers and Connectors
RS232 RS485 RS422
Pin Definition Pin Definition Pin Definition
1 SP2_DCD 1 SP2_DATA- 1 SP2_TX-
2 SP2_RXD 2 SP2_DATA+ 2 SP2_TX+
3 SP2_TXD 3 NC 3 SP2_RX+
4 SP2_DTR 4 NC 4 SP2_RX-
5 ISO_GND 5 ISO_GND 5 ISO_GND
6 SP2_DSR 6 NC 6 SP2_RTS-
7 SP2_RTS 7 NC 7 SP2_RTS+
8 SP2_CTS 8 NC 8 SP2_CTS+
9 SP2_RI 9 NC 9 SP2_CTS-
COM2 Connector Pin Definition GPIO
External connector type: DB-15, 2x5 10-pin header
1 5
6 10
Pin Definition Pin Definition
1 ISO_VCC5 6 ISO_GND
2 SIO_GPI20 7 SIO_GPO24
3 SIO_GPI21 8 SIO_GPO25
4 SIO_GPI22 9 SIO_GPO26
5 SIO_GPI23 10 SIO_GPO27
Pin Definition Pin Definition
1 ISO_VCC5 2 ISO_GND
3 SIO_GPO24 4 SIO_GPI20
5 SIO_GPO25 6 SIO_GPI21
7 SIO_GPO26 8 SIO_GPI22
9 SIO_GPO27 10 SIO_GPI23
1 9
2 10
Internal connector location: J6