Schweitzer Engineering Laboratories SEL-587Z - Figure 6.3 SEL-587 Z to Modem

6.5
Date Code 20020903 SEL-587Z Instruction Manual
Serial Port Communications
Port Connector and Communications Cables
Figure 6.3 SEL-587Z to Modem.
Figure 6.4 SEL-587Z to SEL-2020
or SEL-2030 Communications Processor.
*DCE = Data Communications E
q
ui
p
ment (Modem, etc.
)
SEL-587Z Rela
y
9-Pin
M
al
e
"D"
Subco
nn
ector
"D"
Subco
nn
ector
25-Pin
M
al
e
5
7
3
7
2
2
20
3
G
N
D
G
N
D
TXD
TXD
(
IN
)
RT
S
D
TR
(
IN
)
RXD
R
XD
(
OUT
)
8
8
C
T
S
CD
(
OUT
)
9
1
G
N
D
G
N
D
Pin
F
u
n
c.
Pin
Fu
n
c.
Pin
#
Pin
#
*D
C
E D
e
vi
ce
Cable SEL-C222
S
EL-2
0
2
0
o
r
S
EL-2
030
25-Pin
M
al
e
"D"
Subco
nn
ector
"D"
Subco
nn
ector
9-Pin
M
al
e
2
3
3
4
5
2
4
5
TXD
TXD
RXD
RXD
IRI
G+
IRI
G+
G
N
D
G
N
D
6
6
IRI
G
–
IRI
G
–
7
8
RT
S
C
T
S
8
7
C
T
S
R
T
S
Pin
F
u
n
c.
Pin
Fu
n
c.
Pin
#
Pin
#
SEL-587Z Rela
y
Cab
l
e
S
EL-
C
27
3A
S
EL-2
0
2
0
o
r
S
EL-2
030
9-Pin
M
al
e
"D"
Subco
nn
ector
"D"
Subco
nn
ector
9-Pin
M
al
e
2
3
3
5
7
2
5
7
RXD
TXD
TXD
RXD
G
N
D
G
N
D
RT
S
RT
S
8
8
C
T
S
C
T
S
Pin
F
u
n
c.
Pin
F
u
n
c.
Pin
#
Pin
#
SEL-587Z Rela
y
Cab
l
e
S
EL-
C
272
A