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NB3720
User Manual for NRSW version 4.4
Pin Assignment on Fast Ethernet Ports
The eight pins are enumerated from right to left when looking at the front of the device.
Pin
Signal
Pinning
1
Tx
+
2
Tx
−
3
Rx
+
4
Passive termination
5
Passive termination
6
Rx
−
7
Passive termination
8
Passive termination
Table 3.15.: Pin Assignments of RJ45 Fast Ethernet Connectors
Pin Assignment on Gigabit Ethernet
Each of the 4 pairs is used for bidirectional data transmission. The eight pins are enumerated from
right to left when looking at the front of the device.
Pin
Signal
Pinning
1
M0
+
2
M0
−
3
M1
+
4
M2
+
5
M2
−
6
M1
−
7
M3
+
8
M3
−
Table 3.16.: Pin Assignments of RJ45 Gigabit Ethernet Connectors
3.3.10. Power Supply
The power input has the following specifications:
Feature
Specification
Power supply nominal voltages
24 V
DC
, 36 V
DC
and 48 V
DC
(according to EN 50155)
Voltage range
12 V
DC
to 60 V
DC
(
−
15% /
+
5%)
Max. power consumption
15 W
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