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3.3 Remote Station RB-500
Connect to the REMOTE connector on the FS-1503. If more than two RB-500s or DSC, NBDP
are to be installed, connect them via the Distributor DB-500.
Necessary parts
Requires REMOTE-B Kit (current loop) for connection of a single remote station or REMOTE-
A Kit when the DB-500 is connected. Install the board following the illustration on page 3-3.
Contents of REMOTE-B Kit OP05-83 (Code no. 005-939-820)
R
E
C
n o
R (
3.4 Distributor DB-120/DB-500
A distributor enables connection of multiple external equipment. The DB-120 connects one
NBDP Terminal and one DSC Terminal, and the DB-500 connects up to four external equip-
ment: one NBDP terminal, one DSC terminal, and two remote stations. In either case the RE-
MOTE-A board is also required.
N
a
m
e
M
O
T
E
P
C
B
e n
t c
r o
A
s s
. y
E
M
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DISTRIBUTOR
SSB
DB-500
Figure 3-2 Function of the Distributor DB-500
T
y
e p
C
o
e d
5 0
P
4 0
8 5
0
5 0
8 -
0 4
5 0
S
9 0
8 2
0
0 0
1 -
0 3
NBDP TERMINAL
DSC TERMINAL
REMOTE STATION
REMOTE STATION
3-2
N
. o
Q
y t
9 -
0 9
1
4 -
0 4
1
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