Le Las 227A1 Guide D'instruction page 44

4.1 OPENING THE TELEPHONE
To access the telephone circuit, unscrew the 3 fixing points on the front case using an ALLEN key #5.
4.2 CONNECTION OF THE TELEPHONE LINE
Connection of the telephone to the line is carried out on the intrinsic safety card WK118PLIATX via the
connector which can be embedded and lockable.
Connect the line to terminals L1 and L2 which are doubled to connect extensions.
4.3 EARTHING THE TELEPHONE
Electrical earthing is carried out externally via the earth screw (situated on the lower part of the case)
⊥.
referenced by the sign
NFC227A*TEL2
\\SERVEUR MAX\\ Notices NFC \ NFC227 TL2 \ NFC227A-TEL2.DOC
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4. CONNECTION OF 227A1 TELEPHONES
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