9
O
PTIONAL
DB25 C
ONNECTOR
The unit may be optionally configured with a DB25 connector in place of terminal block con-
nections.
Figure 7: Optional DB25 Connector
Pinouts on this connector are as follows:
A
NTENNA
S
PECIFICATION
Antennas used with this module should be of the following types:
Antenna type: External Dual Band ¼ wave antenna
Maximum Antenna Gain: 3.0 dBi
Antenna connector: SMA
Antenna type: External Dual Band ¼ wave antenna Magnet mount
Maximum Antenna Gain: 3.5 dBi
Antenna connector: SMA
Cable length and loss: 3 meter, RG-174, total loss 2.8 dB
Pin
Signal
Notes
Pin
Signal
Notes
1
Case Ground
N/U
14
Power 5V/+12V Supply/Battery Rtn
2
TXD - Data In
Serial Data Input
15
Power 5V/+12V Supply/Battery Rtn
3
RXD - Data Out Serial Data Output
16
+ Battery
Op12V Battery Backup In
4
Out 2
Relay Contact
17
+ Battery
Op12V Battery Backup In
5
Out 2
Relay Contact
18
+12 Power Input +12V Supply In
6
Out 1
Relay Contact
19
+12 Power Input +12V Supply In
7
Signal Ground Serial Data Common
20
Out 1
Relay Contact
8
+5 VDC
Source Voltage (200ma max)
21
Power Ground
+5V/+12V Supply/Battery Return
9
nPSEN
Factory Only - DO NOT USE
22
In 4 -
Input 4 Negative
10
In 3 -
Input 3 Negative
23
In 4 +
Input 4 Positive (~9ma@12V)
11
In 3 +
Input 3 Positive(~9ma@12V)
24
In 2 -
Input 2 Negative
12
In 1 -
Input 1 Negative
25
In 2 +
Input 2 Positive (~9ma@12V)
13
In 1 +
Input 1 Positive(~9ma@12V)
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