Allied Telesyn International Corp AT-810SL User Manual download pdf (Page 32)

Operation

Note

Station Port LEDs are only active when the AT-810SL is conﬁgured

for “Remote” operation.

Transceiver Port LEDs. To the right of the Station Port LED cluster are

Transceiver Port LEDs. When illuminated, Transceiver Port LEDs indicate

system status as follows:

❑ On-line — The corresponding Transceiver Port (1-8) is connected

through an AUI cable to a DTE. This means that the DTE is powered

and on-line.

❑ Transmit — The corresponding Transceiver Port is receiving a packet

and transmitting it to the other seven Transceiver Ports. In “Remote”

Mode, packets will also be sent through the Station Port.

❑ Receive — Each of the Transceiver Ports is presenting a packet to its

associated DTE. Only one LED is required to represent this function,

as all of the Transceiver Ports are effectively parallel for this function.

❑ Collision — A Collision or SQE has occurred on, or between, one or

more of the Transceiver Ports. This is not a latched condition. If this

LED is continuously lighted, one of three conditions apply:

— A hard failure

— A configuration problem with one of the DTEs

— Multiple collisions are occurring. This condition indicates overload

and warrants further attention.

Back-panel Indicators

Figure 8 shows the location of the back-panel LEDs.

Figure 8: Back Panel LEDs

OFF

ON

LOCAL REMOTE

PORT 1

PORT 2

PORT 3

PORT 4

PORT 5

PORT 6

PORT 7

PORT 8

POWER

SYSTEM

POWER

STATION

SQE TEST

SWITCH

LOCAL/REMOTE

SWITCH

CentreCOM

810SL

IEEE 802.3/ETHERNET

MULTIPORT

TRANSCEIVER FANOUT

Transceiver Port

On-line LEDs

System

Power LED

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 51 52

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Allied Telesyn International Corp AT-810SL User Manual Page 32

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