User manual

B&B Electronics, Inc. SPECTRE User Manual
23
SPECTRE_User_Manual_2912m
www.bb-elec.com
www.bb-europe.com
Fig. 16: RS232 port connector
Pin
no.
Signal mark
Description
Direction
1
RTS
Request To Send
Input
2
CTS
Clear To Send
Output
3
DTR
Data Terminal Ready
Input
4
DSR
Data Set Ready
Output
5
GND
Signal ground
6
RXD
Receive Data
Output
7
CD
Carrier Detect
Output
8
TXD
Transmit Data
Input
Table 11: RS232 connector Pinout
Example of connecting a meter to the router:
Fig. 17: Meter connection to router