Xylem CHATTER Hardware Manual - Manual (Page 13)

Antenna Connector ANT .1 ( 10 )
Connector no. 1 is designated for a standard GSM/GPRS antenna.
Antenna Connector ANT .2 ( 11 )
Connector no. 2 is designated for an alternative GSM/GPRS antenna with
an alternative modem installation.
USB
TEST
SW
USB
SIM card
ON OFF
Battery
ANT.1
ANT.2 ANT.3
DI 1 DI 2 DI 3 DI 4 AI 1 AI 2 AI 3 AI 4 GND GND
+5/ 10/ 15V
GND 3V6-A GND GND A B GND 3V6-B GND
RS485
6
7
9
8
10
11 12
13
Figure 3. Other Main Components on the Circuit Board
Antenna Connector ANT .3 ( 12 )
Antenna connector no. 3 is designated for a GPS antenna in units with a
GPS module mounted.
TEST SW ( 13 )
The Test switch may be used by service personnel to ”wake” the Chatter.
4. Electrical Connections
Data Logger
13