ETL Esse-ti HELPY 2W-V, Руководство пользователя

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Page 12 OTHER CONNECTIONS
OTHER CONNECTIONS
C
ONNECTING THE TELEPHONE LINE
PSTN line or universal GSM gateway

Connect the ground terminal (indicated by ), to a ground socket in
order to increase the telephone line protection.

Connect the telephone line to terminal LTI.
C
ONNECTING THE LOCAL TELEPHONE

Connect the local telephone (for programming and managing the
device) directly to the RJ11 connector (M in the picture at page 2) or to
TEL and – terminals (irrespective of the polarity).
C
ONNECTING THE FILTER INPUT

Connect the filter contact as per one of the modes shown in the table:
C TERMINAL
CONNECTED TO:
FILTER CONTACT
TERMINAL BLOCKS
+12 IN1 / –
– IN1 / +12
external reference IN1 / external reference
Note: if a 2W speak
er
unit is installed in the cabin, it is possible to
use the terminal block’s filter input of the speak
er
unit (AUX
and – terminal blocks).
C
ONNECTING THE RELAY

Connect the output RL1 (normally open contact) to the external device.