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Cabletron Systems SEH-22 User Manual

Page 43

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USING LANVIEW

SEH USER’S GUIDE

5-3

Figure 5-1. LANVIEW LEDs

PWR (Green)

When this LED is on, the SEH is receiving power. If this LED is off, it
indicates a loss of input power. Check the power source (circuit breaker,
fuse, etc.). If the proper source power is present, the problem could be
with the SEH.

LED Name

PWR
(Power)

MGMT
(Management)

CLN
(Collision)

RCV
(Receive)

LNK
(Link)

LED Color

Off

Green (Solid)

Green (Flashing)

Off

Red

Yellow (Flashing)

Off

Green

Off

Definition

No power

Power

SEH managed by an
intelligent hub

SEH not managed

Collision

SEH is receiving data

No activity

Link established

No link

PWR

MGMT

CLN

E1

HubSTACK

10BASE-T HUB

WITH

LANVIEW®

SEH-24

24X

23X

E2

24 22 20 18 16 14 12 10 8

6

4 2

RCV
LNK
RCV
LNK

23 21 19 17 15

11 9

7

5

3

1

13

1491_07

SEH Book Page 3 Tuesday, March 19, 1996 4:12 PM