Wiring diagrams, Single mk-1 md(/a) system, J mounting – Aiphone MK-1MD/A User Manual
Page 4: Mk-1md(/a)
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Wiring diagrams
• Single MK-1 MD(/A) system
MK-DS(/A)
EL-9S
AC trans.
PT-1210N
(USA)
MK-1MD(/A)
SW1 Q
1
2
3
5
(Video impedance
-matching)
Red(+)
BlackH
* Terminals 1-5 are for MK-1SD(/A) audio station.
NP: Non-polahzed P: Polarized.
T -
Parallel cable
: PS-18YC/A or PS-18YE (specified)
A
Do not run door release & audio/video wires in
the same jacketed cable.
• Two-monitor system
MK-DS(/A)
MK-1MD(/A)
I Video-impedance matching
The SW1, initially set to A position,
must not be changed except to B
position on the first MK-1MD(/A)
station of 2-monitor system.
□
S'AT
1
B
H
MK-1MD(/A) or MK-1 HD
Back View
j MOUNTING --------------------------------------
■ MK-1MD(/A)
On back of the unit, mounting bracket is attached.
1. Mount the bracket to single-gang box or wall.
2. On the back, terminate parallel wires on A1, A2 terminals.
3. Connect 18V DC output wires from PS-18Y power supply.
Red to (-I-), Black to (-).
4. Mount MK-1 MD(/A) monitor onto the bracket, aligning at
marks.
Pull down until it firmly locks.
5. Plug PS-18Y into an open AC outlet.
PS-18YC/A(AC 120V), PS-18YE (AC 220-240V)
Install the power supply within
1.9m, 6’3” of the monitor.
Do not attempt to extend the DC
side of the power supply. If
necessary, extend the AC side
with an extension cord.
PS-18YC/A
orPS-18YE
Screw (2)
Bracket