Aiphone JB-2MED - Manual (Page 3)

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Installation locations English
1. Install the master monitor station in a place where the
screen is not exposed to direct sunlight.
2. The master monitor station has manual adjustment
switches on both sides. Secure an open space of 5 cm (2")
on either side of the monitor.
2-2
JB-2MD JB-2HD
JA-2SD JB-2MED JA-2SD
JA-2SD
JB-2HD JB-DA
2 4 4
B1, B2
B1, B2
2
4
4
2
JB-DA
JB-DA
JB-2MD
JB-2MD
JB-2HD
JA-2SD
JA-2SD
JB-2HD
JA-2SD
JB-2HD
2
2
2
B1, B2
JB-2HD
4
8
4
JB-2MED
JB-2MED
Wiring English
Wire the inside stations in a daisy-chained fashion from the
master to the last sub monitor.
2-3
JB-DA
JB-DV
JB-DVF
JB-2HD
A1
A2 B1
B2 A1
A2 B1
B2
+
- +
-
B1
B2
A1
A2
(x2)
A1
A2
120 120
JB-2M(E)D
(JA-D)
Cable English
1. Parallel or jacketed 2-conductor, non-shielded cables are
recommended. PVC jacket with PE (polyethylene)
insulated conductors is recommended.
2. Do not use single loose wires, twisted pair cables or
coaxial cables.
3. When using a cable with unused wires, it is suggested that
both ends of unused pair(s) be terminated with a 120 Ω
resistor.
2-4
D1
JB-2MD
JB-2HD
JB-2HD
PS
JB-DA
JB-DV
JB-DVF
PS-1820
PS-1810
IER-2
JA-D
D2
M
S1
S2
B
A A'
C D
JB-2MED
SP
JA-2SD
JA-2SD
Ø 0,65 mm 22AWG Ø 1,0 mm 18AWG
A 50 m 165' 100 m 330'
A' 50 m 165' 100 m 330'
B 50 m 165' 100 m 330'
C 5 m 16' 10 m 33'
D 75 m 245' 150 m 490'
Wiring distance English
NOTES: A Power Supply: PS-1810DIN covers 1(or 2) Door
station with One Monitor unit only.