Aiphone My-Cu - Manual (Page 5)

Power supply
Use a PS-18D (PS-18C in North America) power supply(ies) to power entire MY-CU system. Do not
intermixedly use other manufacturer’s.
IE-8MD
or other
2
MYH-CU
3
MYH-CU
4
MYH-CU
5
MYH-CU
6
MYH-CU
7
MYH-CU
¡y
^1
5“
OFF |[OFF]
V f
N
V
J t
Q ¡5
1
i
[o^
j/'------'
jOFFi
a
OFF
★ MY-CU must be
used with (main)
intercom in any
system. PS-18C or
PS-18D
★ Do not connect
+ terminai between
monitors 3 and 4
(nor between 7and 8)
★ impedance-matching: Set the switch to OFF on all MYH-CU's
except on the farthest.
★ Locate a 2nd PS-18C (PS-180) at mid point MYH-CU 4-7.
PS-18Cor
PS-18D
WIRING DIAGRAM
MY-CU to PanTilt door • Two farthest stations (any pair)
Diameter 0.65mm 0.8mm 1.0mm
Distance 50 m 70m 100m
AWG 22AWG 20AWG 18AWG
Distance 165’ 230’ 330’
Diameter 0,65mm 0.8mm 1.0mm
Distance 75m 120m 190m
AWG 22AWG 20AWG 18AWG
Distance 250’ 380’ 630’