Junction box with terminal board,. Painted steel black
For connecting 1 speaker, 1 microphone and 1 key (transposition plug on terminals and RJ45 connector). In addition, terminal block for 12 V DC (from the phone switched through; 12 V = power on the phone required). . Possible connection to the elevator emergency phone patch cable or installation cable
optional (at a surcharge): 20-9250 or similar relay to switch on a light, horn, . - From the elevator phone controllable
dimensions: 90 x 60 x 30 mm.