NetComm NTC-990 - Manual (Page 65)

12 RS-232 Serial Port Integration Parameters
You can use the guide below to design serial cables to integrate the Cellular Router into your system.
Standard RS-232 DE-9 Pinout:
Pin Name Direction Description
---------------------------------------------------------
1 CD —» Carrier Detect
2 RX —» Receive Data
3 TX «— Transmit Data
4 DTR «— Data Terminal Ready
5 GND System Ground
6 DSR —» Data Set Ready
7 RTS «— Request to Send
8 CTS —» Clear to Send
9 RI —» Ring Indicator
Note:
—» Output from router
«— Input to router
Below you will find pin-out diagrams of the V.24 DB-9 Male and Female connectors:
Default RS-232 Communication Parameters:
Bits Per Second: 115,200
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control: Hardware
Revision 1.55 NetComm Limited
March 2009
64