The Power-Up Sequence; Powering-Up The Switch 4400; Checking For Correct Operation Of Leds; Connecting A Redundant Power System - 3Com SuperStack 3 3C17204 Getting Started Manual

30 C 2: I
HAPTER NSTALLING THE
The Power-up
Sequence
Powering-up the
Switch 4400
Checking for Correct
Operation of LEDs
Connecting a
Redundant Power
System
S
WITCH
The following sections describe how to get your Switch 4400
powered-up and ready for operation.
Use the following sequence of steps to power-up the Switch.
1 Plug the power cord into the power socket at the rear of the Switch.
2 Plug the other end of the power cord into your power outlet.
The Switch powers-up and runs through its Power On Self Test (POST),
which takes approximately 10 seconds.
During the Power On Self Test, all ports on the Switch are disabled and
the LEDs light in a set sequence.
When the POST has completed, check the Power/Self Test LED to make
sure that your Switch is operating correctly.
for the LED.
Table 6 Power/Self Test LED colors
Color
Green
Yellow
Off
If there is evidence of a problem, see "Solving Problems Indicated by
LEDs" on page 58.
You can connect a SuperStack 3 Advanced Redundant Power System
(3C16071B) to the Switch. This unit, which is also known as an RPS, is
designed to maintain the power to your Switch if a power supply failure
occurs.
For normal redundancy, the Switch 4400, Switch 4400 SE, and
Switch 4400 FX require one Type 2A Power Module (3C16074A). For full
redundancy, the Switch 4400, Switch 4400 SE, and Switch 4400 FX
require two type 2A Power Modules combined using a Type 2 Y-Cable.
The Switch 4400 PWR (3C17205) requires one Type 3 Power Module
(3C16075) for normal redundancy and two Type 3 Power Modules for full
redundancy.
Table 6
State
The Switch is powered-up and operating normally.
The Switch has failed its Power On Self Test.
The Switch is not receiving power.
shows possible colors