Bpt mitho+, Technical Manual

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73
Technical Manual
GB
Terminal function
Terminal block M1
2-wire bus X1 video entry
control system bus
B
+
ground fl oor call input
–
alarm input
(active towards earth)
AL
Terminal block M2
Multimaster BUS
MM
local power supply
14÷24 V DC 12÷16 V AC
ATTENTION
Once wiring is complete, careful-
ly re-insert the terminal boards as
shown in fi gure 9.
ATTENTION
The video terminal can be pow-
ered by both direct and alter-
nating current.
Function of button SW2
(Tamper)
The video terminal is equipped
with a an anti-tamper contact, SW2
(fig. 10), to be used if the device is
connected to Brahms anti-intrusion
systems.
Function of the jumper
SW4 (Closure resistance)
The appliance is equipped with
an SW4 jumper (fig. 10), for end
of line closure impedance of the
video entry control system.
Remove the jumper if the line
continues towards other video
entry control receivers.
AL
B
+
–
MM
9
10
SW2 SW2
SW4 SW4
M1 M1 M2 M2
ManTecnico_MithoPlus IT_GB 2484573 73 ManTecnico_MithoPlus IT_GB 2484573 73 18-06-2008 11:50:24 18-06-2008 11:50:24