Contemporary Controls EISW16-100T Panduan Instalasi - Halaman 3
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Halaman Cetak
Power Sourcing Options
Primary
24
VAC
1
2
V1+
V1-
PWR1
PWR1 with AC
Power Considerations
The EISW can be powered from either a single source of AC or DC. Dual source power-
ing is possible with two DC supplies isolated from one another. Recommended size for
solid power conductors is 16–22 AWG; for stranded conductors, use 16–18 AWG. Input
connections are reverse polarity protected. The earthing screw terminal on the switch
must be grounded if there is no other option for grounding the case.
Network Connections
The switch employs Auto-MDIX technology so that either straight-through or crossover
cables can be used to connect to network interface adapters or to another hub.
LED Indicators
The "P1" LED glows green to indicate Power Input 1 (PWR1) has power, and the "P2"
LED glows green to indicate Power Input 2 (PWR2) has power. Each Ethernet port
has a LNK/ACT LED that glows solid green to indicate an established link, and flashes
green to indicate that network traffic is occurring over that port. Port speed at 100 Mbps
is indicated by an amber LED.
+
12-48
VDC
*
3
4
5
6
1
V2+ V2-
V1+
Fault
PWR2
PWR1
Single Source Powering
PWR1 with DC
* Possible grounded secondary.
2
3
4
5
6
V1-
V2+ V2-
Fault
PWR2
+
+
12-48
12-48
VDC
VDC
1
2
3
4
5
V1+
V1-
V2+ V2-
PWR1
Fault
PWR2
Redundant Powering
PWR1 with DC
PWR2 with DC
Power supplies must be
isolated from each other.
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