Használati útmutató Ernitec ELECTRA-S-24F

Ernitec kapcsoló ELECTRA-S-24F

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Professional Surveillance Solutions
Electra
by
Manual
Electra S24F
© 2015 Ernitec. All rights reserved
www.ernitec.com
Ernitec
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2750 Ballerup
Denmark
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Manual Electra S24F V01270916
Introduction
Power- -over Ethernet (PoE) eliminates the need to run DC power to other devices on a single wired
LAN. Using Power- -Over Ethernet, installers only need to run a single CAT 5cable carries that both
data and power to each device. This allows flexibilliy greater in the location of the network
devices. And in many cases significantly decreases the installation costs.
There are two system components in the PSE (Power Sourcing Equipment) and the PD PoE –
(Powered Device). The IEEE 802.3af/at specification defines PSE as a device that inserts power
onto an Ethernet cable. The PSE may be located at the switch (Endspan configuration). Or it may
be a separate device (Poe Injector) located between the switch and the PD (Midspan
configuration). The PD is the natural termination of this link, receiving the power and the data
And it could be an IP camera or an IP phone or a WLAN Access Point that require power.
The current is transmitted over 2 of the 4 twisted pairs of wires in a Category 5, 6, 7 cable.-
Power- -over Ethernet follows the IEEE 802.3af/at specification and is completely compatible
with existing Ethernet switches and networked devices. Because the Power Sourcing Equipment
(PSE) tests whether a networked device is PoE-capable, power is never transmitted unless a
Powered Device is at the other end of the cable. It also continues to monitor the channel. If the
Powered Device does not draw a minimum current, because it has been unplugged or physically
turned off, the PSE shuts down the power to that port.
Optionally, the standard permits Powered Devices to signal th the PSEs exactly how much power
they need.
The PoE switch is a multi-port fast Ethernet switch that can be used to build high-performance
switched workgroup networks. This switch is a store- -and forward device that offers low latency for
high-speed networking. It also features a “store- -and forward” switching scheme that allows the
switch to auto-learn and store source addresses in a 8K-entry MAC address table. The switch is
targeted at workgroup, department or backbone computing environments.
© 2015 Ernitec. All rights reserved
www.ernitec.com
Ernitec
Tempovej 41
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Denmark
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Manual Electra S24F V01270916
Hardware Description
The Front Panel:
The front panel constists of LED Indicationes, 24 x 10/100/1000M RJ45 ports plus
4 1000M x SFP Combo ports.
Figure 2. Front panel view of LED indications
Figure 2
LED
Status
Color
Description
Power
On
Green
The switch is supplied with suitable power
LINK/ACT
ON
Green
The port is
connecting
Blinks
-
The port is
recieving or transmitting data
Off
-
The port is not
linked successfully with the device
PoE
On
Green
PD is
connected
Of
-
No PD is
connected or the device does not need power
Figure 3
The Panel:Rear
The Real panel constists of AC outlet, power swtich and fuse.

Termékspecifikációk

Márka: Ernitec
Kategória: kapcsoló
Modell: ELECTRA-S-24F

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