Juniper NETSCREEN-ISG 2000, User Manual, Page: 12 / 114

Chapter 1 Overview
6 User’s Guide
When you turn on the NetScreen-ISG 2000, the Status LED changes from off to blinking
green. Startup takes around 90 seconds to complete. If you want to turn the NetScreen-
ISG 2000 off and on again, wait a few seconds between shutting it down and powering it
back up.
Interface Modules
The front of the NetScreen-ISG 2000 has four interface module bays. Each interface
module has two, four, or eight ports, and each port has a pair of LEDs.
10/100 Mbps Interface Module
The 10/100 Mbps interface module is appropriate for a 10/100 Base-T LAN. Connect the
ports using a twisted pair cable with RJ-45 connectors. (See
“Connecting the Device to a
Network” on page 24 for cabling guidelines.)
MOD3 green Security module is installed.
off No card installed.
FLASH Compact Flash
Status green PC card is installed in compact flash slot.
blinking green Read-write activity is detected.
off Compact flash slot is empty.
Note: To change the Alarm LED from red to green but keep the alarm message(s) in the
menu system, use the CLI command clear led alarm .
Note: You can use both 10/100 and GBIC cards simultaneously for the same
NetScreen-ISG 2000; there are no combination restrictions. However, the cards are not
hot-swappable.
Note: The NetScreen-ISG 2000 supports a maximum port count of 28. If there are
8-port 10/100 modules in each I/O slot, then ports five through eight, in slot 4, are
disabled. Under this circumstance, these ports are unavailable for firewall and HA
functions.
LED Purpose Color Meaning