24 25
pins 1, 2 – connection of TM1 pulse outputs;
pins 3, 4 – connection of TM2 pulse outputs;
pin 6 – in meter versions with an additional RS485 interface – pin (A’);
in meter versions with an additional M-BUS interface – digital line pin;
in meter versions with an additional RS232 interface – pin (TX’);
pin 7 – in meter versions with an additional RS485 interface – pin (B’);
in meter versions with an additional M-BUS interface – digital line pin;
in meter versions with an additional RS232 interface – pin (RX’);
pin 8 – RS485 or RS232 interface pin (GND’) (in meter versions with two additional interfaces);
depending on the meter version: socket of the integrated Ethernet module and Ethernet
module reset pins;
pin 10 – terminal cover electronic seal microswitch;
pins 11, 12 – alarm relay pins (AR);
pins 15, 16 – connection to the backup power source;
pin 17 – in meter versions with RS485 interface (versions with A), pins of RS485 interface, left A,
middle B, right GND (duplicate the pins of the socket 19 if available);
in meter versions with RS232 interface, left TX, middle RX, right GND pins;
in meter versions with an Ethernet interface (version with N), built-in Ethernet module
reset contacts, middle RST, right GND.
in meter versions with RF01 module, RS485 technological interface for configuring the
integrated radio module, left A, middle B, right GND;
pin 19 – depending on the meter version: socket of the built-in Ethernet module; HF – connector
for connecting an external antenna; plug.
b) second variant of CE308 S31, S34 meter pins designation
Figure 3.1 – СЕ308 pins designation
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