Cabletron Systems MT8-MIM Spezifikationen PDF herunterladen (Seite 21)

Device View IRM3 Hubs

SPECTRUM Enterprise Manager Page21 Cabletron Ethernet Hubs

P1 (Port 1 OK)

This LED is lit to indicate that the Network

Interface Chip associated with the IRM-2’s

external repeater port has passed an internal

Loop Back Test and is ready for transmission.

R1(Receive 1)

This LED is located to the left of the P1 LED. It

indicates the IRM2 is repeating a data packet

received from the segment connected to the IRM2

AUI Port or Fiber Optic Port.

LN (Link)

This LED is located below the IRM2’s AUI port. It

indicates that a link has been established

between the fiber optic port on the IRM2 and the

fiber optic device at the other end of the fiber optic

link segment.

IRM3 Hubs

The IRM3 supports LEDs that represent operating

status, collision rates, error rates, packets

transmitted and packets received for the entire

hub as follows.

PW (Power)

This LED is located at the top of the left-hand

LED column. It indicates that the IRM3 is

receiving power from the MMAC.

OK (Board OK)

This LED is located at the top of the right-hand

LED column. If this LED is lit, the module is

operating properly. If this LED is not lit, there is

an initialization problem. You may need to press

the Reset switch.

RC (Receive)

This LED is located below the OK LED. It

indicates that the IRM3 is repeating a packet

received from a connected segment.

MM (Management)

This LED is located below the PW LED. It

indicates that the IRM3 is receiving or

transmitting management packets.

CL (Collision)

This LED is located below the MM LED. It

indicates that a collision has been detected on a

segment.

PO (Port OK)

This LED is located below the RC LED. It

indicates that the internal repeater port is OK.

ON (AUI)

This LED is located above the AUI port and to the

left of the PW LED. It indicates that the AUI port

is the active repeater port.

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