Port b – Trimble Outdoors AgGPS 252 User Manual
Page 31

AgGPS 252 Receiver User Guide 25
Installing the Receiver 3
34.2
Port B
This port has the same connector as Port A, see above. Viewed from
outside the receiver, the Port B connector is on the right. It is the port
that is typically used to connect to the SiteNet 900 radio.
5
Signal GND
Used for RS232 and other signals. Should
not be connected to
V– (battery negative)
6
Port 1 RTS OUT
7
Event OUT / Alarm OUT
8
Port 1 CTS IN
9
Event IN
10
V+ IN
11
V- IN
12
CAN A Low I/O
Table 3.4
Port B pinout
Pin
Name/Function
Comments
1
CAN B High I/O
2
Port 2 RS232 Tx OUT
3
Port 2 RS232 Rx IN
4
PPS OUT
5
Signal GND
Used for RS232 and other signals.
Should not be connected to V–
(battery negative)
6
Port 2 RTS OUT
or Port 3 RS232 Tx OUT
7
Event OUT / Alarm OUT
8
Port 2 CTS IN or Port 3
RS232 Rx IN
Table 3.3
Port A pinout (continued)
Pin
Name/Function
Comments
Ag252_100B_UserGuide_ENG.book Page 25 Thursday, July 28, 2005 4:06 PM