Allied-telesis AT-MR815T Manuel d'utilisateur télécharger pdf (Page 14)

Product Description

❑

ACTIVITY lamp (green)

— This LED is lighted when packets are being sent or received

through the repeater.

❑

COLLISION lamp (amber)

— The COLLISION LED will flicker to indicate a collision. While

occasional collisions are normal in Ethernet networks, a constantly

illuminated COLLISION LED may indicate that there is a port

with excessive traffic problems.

— Continual flickering of the COLLISION LED may also indicate

excessive frame collisions on a segment. This may be caused by an

overloaded segment, a faulty cable, or a bad connection.

— If this LED is lighted for an extended period of time, it is possible

that there is a problem with the transceiver or cable.

❑

POWER lamp (green)

— This LED lights when power is being received by the repeater from

the AC to DC adapter.

Figure 2 shows the back panel of an AT-MR415T.

Figure 2:

AT-MR415T Back Panel

Four UTP RJ45 network ports (including Port 4, an uplink port) are located on

the back panel. It also shows the Direct Current (DC) power receptacle which

is used in conjunction with the TUV-licensed Alternating Current (AC)

adapter which is provided.

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Allied-telesis AT-MR815T Manuel d'utilisateur Page 14