Connecting earth (ground), Warning: this apparatus must be earthed (grounded), Connect network (lan a) – TREND INC2 User Manual
Page 3: 2 wire, 4 wire, Lan a, Connect network (lan b), Lan b / iwrk
3
INC2 Installation Instructions TG200231Issue 1/E Draft 2 09/11/06
Installation Instructions
INC2
3.1
Installation - Mounting
(Continued)
Connecting Earth (ground)
4
J 7
E T 1
J 1 6
D e v B
J 1 5
D e v A
J 9
J 8
L a n B
L a n A
WARNING: This apparatus must be earthed
(grounded)
J 7
E T 1
J 1 6
D e v B
J 1 5
D e v A
J 9
J 8
L a n B
L a n A
Connect Network (Lan A)
5
T
R
T
R
T
R
T
R
T
T
R
R
T X -
X
T X + R X - R X +
T
R
T
R
T
R
T
R
T
T
R
R
X
T
T
R
R
T X - T X + R X - R X +
2 wire
Network Engineering Manual, 92-1735.
additional terminals
Normally Local Lan
dumb/normal switch set to dumb, any address
dumb/normal switch set to normal, address <100
Note that EINCs, INCs and LINCs cannot be on same Lan
Internetwork segment A if dumb/normal switch set to normal (internetwork
buffer), address >=100
4 wire
(unless RS232 receiver/transmitter Device A being used e.g. leased line modem)
LAN A
LAN A
polarity
independent
terminal size 0.5 to 2.5 mm
2
(14 to 20 AWG)
e
l
b
a
C
d
u
a
b
2
k
1
d
u
a
b
8
k
4
d
u
a
b
6
k
9
d
u
a
b
2
k
9
1
s
e
r
i
W
f
o
.
o
N
2
8
1
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
2
7
0
2
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
2
0
0
2
/
F
H
/
2
2
/
1
/
1
/
P
T
m
e
t
s
y
s
Q
I
)
1
6
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
m
0
5
3
)
s
d
y
0
8
3
(
2
0
0
2
/
F
H
/
2
2
/
2
/
2
/
P
T
m
e
t
s
y
s
Q
I
)
3
2
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
m
0
5
2
)
s
d
y
0
7
2
(
4
additional terminals
J 7
E T 1
J 1 6
D e v B
J 1 5
D e v A
J 9
J 8
L a n B
L a n A
Connect Network (Lan B)
6
T
R
T
R
T
R
T
R
T
T
R
R
T X -
X
T X + R X - R X +
T
R
T
R
T
R
T
R
T
T
R
R
X
T
T
R
R
T X - T X + R X - R X +
2 wire
additional terminals
4 wire
(unless RS232 receiver/transmitter Device B being used e.g. leased line modem)
Always Internetwork
Network Engineering Manual, 92-1735.
LAN B / IWRK
LAN B / IWRK
polarity independent
terminal size 0.5 to 2.5 mm
2
(14 to 20 AWG)
e
l
b
a
C
d
u
a
b
2
k
1
d
u
a
b
8
k
4
d
u
a
b
6
k
9
2
k
9
1
d
u
a
b
4
k
8
3
d
u
a
b
f
o
.
o
N
s
e
r
i
W
2
8
1
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
m
0
0
5
)
s
d
y
5
4
5
(
2
7
0
2
9
n
e
d
l
e
B
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
m
0
5
3
)
s
d
y
0
8
3
(
2
0
0
2
/
F
H
/
2
2
/
1
/
1
/
P
T
m
e
t
s
y
s
Q
I
)
1
6
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
7
)
s
d
y
5
6
7
(
m
0
5
3
)
s
d
y
0
8
3
(
m
0
5
2
)
s
d
y
0
7
2
(
2
0
0
2
/
F
H
/
2
2
/
2
/
2
/
P
T
m
e
t
s
y
s
Q
I
)
3
2
7
8
n
e
d
l
e
B
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
0
1
)
s
d
y
0
9
0
1
(
m
0
0
5
)
s
d
y
5
4
5
(
m
0
5
2
)
s
d
y
0
7
2
(
m
5
2
1
)
s
d
y
5
3
1
(
4