Emerson Control Techniques EN Series Installation Manual page 92

TERM-H (Head) Terminator
1.22
.67
PIN #1
SHELL
DB-9 MALE
TERM-T (Tail) Terminator
1.22
.67
PIN #1
5
2
3
4
9
6
7
1
8
SHELL
DB-9 MALE
Note
See the "Multi-drop Communications" section in the EN Reference Manual (P/N 400501-
01) for resistor values.
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.78
TERM-H
.20
.67 REF
5
2
3
4
R2 R4
9
6
7
1
8
DB-9 FEMALE
.78
.20
.67 REF
5
2
R1
3
4
R3
R2 R4
9
6
7
1
8
SHELL
DB-9 FEMALE
Specifications
R.195
.66
.110 MAX (2)
.090 MIN
5
GND
2 R1 IN (RX)
3 T1 OUT (TX)
4
485+
9 485-
6 +5V
7 NOT USED
1 NOT USED
8
NOT USED
SHELL
R.195
.66
.110 MAX (2)
.090 MIN
GND
R1 IN (RX)
T1 OUT (TX)
485+
485-
+5V
NOT USED
NOT USED
NOT USED
75