NOTE
In case of power loss, maximum distance has to be calculated.
3.2. Available Models
Art. no.
Model
100 Mbit
TX
ports
SHDSL
ports
Serial
ports
Software
Rated
voltage
3642-0440
DDW-142-12VDC-BP
2
2
1
L2
12-48 VDC
3642-0450
DDW-242-12VDC-BP
2
2
1
L3
12-48 VDC
3.3. Connector Information
3.3.1. Power Input
Illustration
Position
Product marking
Direction
Description
1
2
3
4
1
+DC1
Input
Supply voltage
2
+DC2
Input
Supply voltage
3
-COM
Input
Common
4
-COM
Input
Common
Table 3. Power input
The product supports redundant power connection. The positive inputs are +DC1 and
+DC2, the negative input for both supplies are -COM. Connect the primary voltage (e.g.
+24 VDC) to the +DC1 pin and return to one of the -COM pins on the power input.
3.3.2. Ethernet Connection TX
Illustration
Pin no.
Signal
Direction
Description
1
TD+
In/Out
Transmitted/Received data
2
TD-
In/Out
Transmitted/Received data
3
RD+
In/Out
Transmitted/Received data
4
-
-
Not connected
5
-
-
Not connected
6
RD-
In/Out
Transmitted/Received data
7
-
-
Not connected
8
-
-
Not connected
Shield
Connected to PE
Table 4. Ethernet connection TX
10
DDW-142/242-12VDC-BP
