pro bel Freeway RS422, Technical Manual

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P
P
r
r
o
o
-
-
B
B
e
e
l
l
L
L
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t
d
d
T
T
e
e
c
c
h
h
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n
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i
c
c
a
a
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l
m
m
a
a
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n
u
u
a
a
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l
H
H
U
U
-
-
F
F
r
r
e
e
e
e
w
w
a
a
y
y
R
R
S
S
4
4
2
2
2
2
2
2
1
1
4
4
S
S
p
p
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e
c
c
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f
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a
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The following specification refers to a single, 32 port, router module.
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Number and type: 32: balanced 4 wire (bi-directional) to EIA
standard RS422A
Input Impedance: 3k
W
Input sensitivity: 150mV
Input Common Mode Rejection: ± 12V max
Max Output current: 40mA
Connectors: Four 50 way D type sockets
n
n
P
P
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o
w
w
e
e
r
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q
q
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Maximum current: 1.4A
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O
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r
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a
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g
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Range: 0
°
C to 40
°
C
Cooling: internal fans