3Com 6416SW manual Phase, Active LED

Phase

1:

Installation

and

Power

Problems

This

section

describes

the

troubleshooting operations

for

problems

that

occur after you

turn

ON the ONcore hub and wait for the 6416SW ACTIVE LED

to light

ON

(yellow).

“Verifying Normal 6416SW Operation” on page 2-7

describes the

other

LED

conditions.

Phase

1 problems

concern

the

installation tasks

described

in

Chapter 2,

“Installation”

on page 2-1 and are divided as follows:

Prerequisites

for diagnosing normal

operation

of the

ATM

subsystem.

Problems indicated by the ATM media LEDs

Problems indicated by the 6416SW LEDs

Power supply problems.

After solving			Phase 1 problems,			the	6416SW	ACTIVE LED	lights ON (yellow). A yellow
ACTIVE LED		indicates		that	the	6416SW	module	is ready to control the ATM subsystem
and	that	you	can	begin	configuring		the ATM	subsystem in the ONcore hub as described
in	Chapter 5,		“Configuring		the ATM	Switch/Control		Module”	on page 5-1.

7-2 ONcore ATM Switch/Control Module: Installation and User's Guide