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COMMERCIAL & INSTITUTIONAL APPLICATION SYSTEM
81
Master / Sub Intercom
MASTER
1
SUB
120
NEM
Features
l Lamp memory intercom: Sub’s call-in with tone & light
l Press-to-talk or handset with voice actuation
l Selective or group call of 10 subs
l All Call
l Pre-tone sounding at sub, when selected
l Optional accessories for health care applications
l Expand beyond 40 stations with add-on selectors
Communication network
NEM-40A/C
1.
2.
3.
NA-A
NA-A
NA-NE NA-A NA-A NA-NE
1. Selective individual call 2. Selective group call (max. 10) 3. All call
Wiring
1.
2.
3.
Master station Sub station
NEM-10/C
10-call master
NEM-10A/C
10-call master
Power supply
NEM-40A/C
NEM-40A/C
NEM-60A
NEM-20/C
20-call master
NEM-20A/C
20-call master
2 x n
2 x n
2 x n1
2 x n2
NA-A
2
NEM-30/C
30-call master
NEM-30A/C
30-call master
PS-2420S PS-2420UL PS-2420 m P.104
NA-A
2
NA-A NA-A NA-NE
2 2 2
NA-A NA-A NA-NE
2 2 2
2 2
NA-NE
NA-A NA-A NA-NE
1. Run a parallel cable to each NA sub station (in the same conduit).
2. Run a multi-conductor cable(s) throughout system.
3. Run multi-conductor cables up to junction box, then run a parallel cable to
each NA sub station.
2
2
NEM-40/C
40-call master
NEM-40A/C
40-call master
Wiring
IER-2
1
E
S
S
PS24 - +
NEM-40A/C
1
2
3
4
10
E
31
32
33
34
40
E
NB-L
Ceiling sub station
NA-A
Sub station
Homerun
A
B
C
D
E
A
B
C
D
E
A
B
C
D
E
RD
OG
OG/WH
BL
GR
BK
NA-AN NA-AN NA-AN
A
B
C
D
E
NA-NE
Sub station
NA-AN
Privacy sub station
NA-AN NA-AN
NA-NE
A RD
B OG
C OG/WH
D BL
E GR
BK
NA-NE
N : PS-2420S, PS-2420UL, PS-2420
RD: Red OG: Orange OG/WH: Orange/White BL: Blue GR: Green BK: Black
IMPORTANT: For NE-JA sub(‘s), homerun wires to secure stable calling and
distance of 270m w/1.0mma.
1
2
3
4
NE-JA