Omni30 User Manual
- 16 -
UMC1620AR04
2
4
V
+
2
4
V
-
2
4
V
+
2
4
V
-
H
O
R
N
2
4
V
-
T
E
S
T
A
C
K
2
4
V
+
R
E
S
E
T
P
D
P
2
4
V
+
2
4
V
-
2
4
V
+
2
4
V
-
H
O
R
N
2
4
V
-
T
E
S
T
A
C
K
2
4
V
+
R
E
S
E
T
P
D
P
2
4
V
+
2
4
V
-
2
4
V
+
2
4
V
-
H
O
R
N
2
4
V
-
T
E
S
T
A
C
K
2
4
V
+
R
E
S
E
T
P
D
P
24Vdc Supply
connected to
centre unit
P
2
D
P
2
2
4
V
+
L
N
C
N
O
C
O
M
G
P
2
4
V
+
Alarm
Module
Alarm
Module
Control
Module
Optional Group Repeat
Outputs etc. (see text)
2
4
V
+
2
4
V
-
2
4
V
+
2
4
V
-
H
O
R
N
2
4
V
-
T
E
S
T
A
C
K
2
4
V
+
R
E
S
E
T
P
D
P
Alarm
Module
First Group 2
First Group 1
Figure 3-4 – Omni30 connections showing two First Out Groups
3.6 Omni30 Serial Port Pinout
If fitted with the Serial Port Option the Serial connections are as follows:
1
2
3
4
5
6
7
8
9
RxD
TxD
GND
Vcc(iso)
RxD+
RxD-
TxD+
GND
Vcc (iso)
TxD-
DB9
Pin
RS232
RS485
Omni-8/16C
5
6
1
9
