Aiphone JK-1MD operation manual Wiring method, wiring distance, Cable

2	INSTALLATION
2-1	Mounting locations
1 Install	the master monitor station in a place	2 The master monitor station has switches on			3 Allow 15 cm (6") or more of vertical open
where the screen is not exposed to direct		both sides. Allow at least 5 cm (2") of open					space from the center of the mounting
sunlight.		space on either side.					bracket in order to mount the master
							monitor station.
		2		JK-1MD / JK-1HD				3
									+ 15 cm
			+ 5 cm			+ 5 cm
									(6")
			(2")			(2")

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2-2 Wiring method, wiring distance

Wire the units from station-to-station (daisy-chained).

	A
JK-DA	JK-1HD
JK-DV
JK-DVF	JK-1MD

2 4

B C

IER-2

PS-1820 PS18

PS-1810DIN

PS-1820DIN

JK-1SD

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					Nederlands
	Ø 0.65 mm	22 AWG	Ø 1.0 mm	18 AWG
A	50 m	165'	100 m	330'
B	5 m	16'	10 m	33'	Italiano
C	75 m	245'	150 m	490'

2-3

Cable

1 Use PVC-coated cable with PE (polyethylene) insulation.

3 When using a cable with unused conductors, terminate both ends of the unused pair(s) with a 120 Ω resistor.

(x2)

2 Never use individual conductors, twisted pair cable or coaxial cable.

JK-1MD		JK-1HD/JK-1SD
	A1		B1
	A2		B2
	S		SW
	S		SW
	B1		+
	B2		-
	L
	L
	+
	-

120 120

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