COMCRAFT RM-100UTP Руководство пользователя - Страница 4
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2. Functional description
2.1 Interface connectors
It has 4 RJ45 ports, port A and B are connected to the
network, TAP ports A and B are connected to the analyzer.
Network ports A and B are hardware wired together.
2.2 Activity/Link
Two LEDS indicate Activity in 10Mb and Link in 100Mb speed.
Activity LED A lights up when a signal is received at port A,
LED B for a signal received at port B. The brightness of the
Activity LED show signal strength.
2.3 Power over Ethernet (802.3af)
The unit is 802.3af compliant and forward PoE in the Network.
The tap ports are galvanically separated from the network
ports and in such way protecting your monitoring equipment.
At least 10 volt is needed for the PoE LEDs to light.
PoE LED 1 shows power between pairs 1/2 and 3/6.
PoE LED 2 shows power between pairs 4/5 and 7/8.
2.4 Power
The 100UTP tap is redundant powered from the back. The
external power can be chained as each power has 2 input
sockets. Using redundant powering guarantees a maximum
uptime off the tap/monitor ports. Two LEDs show the
presence of power.