TW5210 User Manual rev 1_2
21
©2011 Tallysman Wireless, Inc.
Confidential
7
12V RS232 Version
7.1
Interface
The TW5210 RS232 version is terminated in a 4 pin RJ14 connector.
The power input is rated for 12V automotive and has overvoltage and transient
protection.
Figure 23
Wire Color
Signal
Comments
RJ14 pin #
Green
RX into the TW5210
RS232 level
1
White
TX out of the TW5210
RS232 level
2
Black
Gnd
0V
3
Red
Power
12V (automotive)
4