User's Guide

templates are available on the M2M Gateway, while new sensors/templates can be easily defined by the
user.
2.2. The SDI Connector
The pin-out of the SDI-12/RS-485 connector is shown below.
Note: The colours given in the last column are valid for the standard Metrilog M12 cable (option). Pin 3 is not
used in native SDI-12 mode.
2.3. The MPI Connector
The pin-out of the Multi Protocol Interface (MPI) is given below.
Note: The colours given in the last column are valid for the standard Metrilog M12 cable (option).
2.4. The Micro USB Service Connector
The USB connector is used for maintenance and service. You should not have to deal with this connector
unless indicated so by the Metrilog support personnel. For additional information on the use of this
connector, check also the “Commands” section of this manual.
1
Brown
+ Vin (6 to 30 Volt)
2
White
- Vin and SDI-12 GND
3
Blue
RS-485 A/CAN-L (unused in native SDI-12 mode)
4
Black
SDI-12/RS-485 B/CAN-H
1
White
- Vin and GND
2
Brown
+ Vin (6 to 30 Volt)
3
Green
RS-232 RxD/RS-485 A
4
Yellow
RS-232 TxD/RS-422 Z
5
Grey
RS-485 B
6
Pink
RS-232 GND
7
Blue
RS-422 Y
8
Red
GND/Shield
12
3
4
5
6
7
8
6