Chapter 1. Introduction

 

 

 

 

 

 

 

 

 

 

 

 

 

No.

Component

Description

 

 

 

 

 

1

Power LED

Lights (blue) to indicate that the unit is receiving power.

 

 

 

 

 

2

Port LEDs

Š A green LED indicates that a computer is connected

 

 

 

to the corresponding port.

 

 

 

Š A flashing green LED indicates a connection to a

 

 

 

cascaded child KVM switch.

 

 

 

Š A red LED indicates that the computer connected to

 

 

 

the corresponding port has focus.

 

 

 

Š A flashing red LED indicates that the computer

 

 

 

connected to the corresponding cascaded port

 

 

 

has focus.

 

 

 

 

 

3

Cascade Port LEDs

A flashing green LED indicates a connection between

 

 

 

cascaded parent and child KVM switches.

 

 

 

 

 

4

USB Ports

Connect USB flash drives to these ports to backup and

 

 

 

restore configuration settings for consoles 1 and 2.

 

 

 

See Configuration, page 46.

 

 

 

 

 

5

Reset Button

Pressing in this button performs a system reset. When

 

 

 

the system is reset, the KH2508 / KH2516 beeps, and

 

 

 

then the KVM port LEDs flash in succession until the

 

 

 

reset is completed. After the reset is completed you can

 

 

 

login again.

 

 

 

Note: This button is semi-recessed and must be

 

 

 

pushed with a small object, such as the end of a paper

 

 

 

clip or a ballpoint pen.

 

 

 

 

 

6

Firmware Upgrade

During normal operation and while performing a

 

 

Recovery Switch

firmware upgrade, this switch should be in the

 

 

 

NORMAL position. If a firmware upgrade operation

 

 

 

does not complete successfully, this switch is used to

 

 

 

perform a firmware upgrade recovery. See Firmware

 

 

 

Upgrade Recovery, page 65, for details.

 

 

 

 

 

7

Firmware Upgrade

The firmware upgrade cable that transfers the firmware

 

 

Port

upgrade data from the administrator's computer to the

 

 

 

KH2508 / KH2516, plugs into this RJ-11 connector.

 

 

 

 

 

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