3Com 10BASE-2 (BNC Manuale di installazione - Pagina 2
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Safety Information
Prior to Installation
Read if initial
installation
The option module contains one Board Error LED, eight port status Active
LEDs, and eight port status Error LEDs. Depending on the condition, the
port status LED is either Active (green) or Error (yellow). See the table
below for a description of the status LEDs.
.
LED
Name
Color
Module
Board Error Yellow
Status
Port
Active
Green
Status
Error
Yellow
Electrostatic discharge (ESD) can damage components on the module. ESD
occurs when the module is improperly handled and can cause complete or
intermittent failures.
To prevent ESD-related damage:
Always wear the ESD wrist strap provided with the LANplex system,
ensuring that it makes good skin contact
Keep the module in its antistatic shielded bag until you are ready to install it
Do not touch the components, pins, leads, or solder connections
Always handle the module by its edges
Before you install your new module, follow the appropriate pre-installation
instructions in this section.
Your LANplex system is shipped with protective faceplates covering the
exposed installation slots. You must remove the protective faceplate
covering the selected installation slot prior to installing the option module.
CAUTION: When handling modules, 3Com recommends that you always use
a wrist strap connected to a proper ground. This helps prevent the module
from being damaged by electrostatic discharge. Additionally, when not in
use, the module should be stored in an antistatic bag.
Description
Indicates that either an error has occurred or the
option module has failed a diagnostic procedure
Indicates that the associated port is active
Indicates that an error condition has occurred with
the associated port or that the port was disabled
from the Administration Console