Description
Color
Represents
LED
System operates normally
Solid Green
System Status
STAT
BIOS/RUMMON booting
Blinking Amber
BIOS/ROMMON has
completed booting, and
system is at the
ROMMON prompt or the
booting platform software
Amber
Compact flash/eUSB flash
is present and is currently
being accessed.
Note Do not remove the
flash device while the
system is powered on.
Blinking Green
SystemFlash status
FLASH
All the temperature
sensors in the system are
within the acceptable
range
Solid Green
Temperature Status
TEMP
One or more temperature
sensors in the system are
outside the acceptable
range
Amber
Temperature is not being
monitored
Off
All the fans are operating
Green
Fan status
FAN
One of the fans has
stopped working
Amber
Two or more fans have
stopped working, or the
fan tray has been removed
Blinking Amber
Fans are not monitored
Off
Slot, Bay, and Ports
The FXO port is used to connect to PBX or key systems, or to provide off-premises connections to the PSTN.
It supports battery reversal detection and caller ID. The FXO port is also used to connect to analog Centralized
Automatic Message Accounting (CAMA) trunks to provide dedicated E-911 service (only in North America).
The FXS port is used to connect analog phones, modems, fax machines, and speaker phones to an enterprise
IP voice system, to use them as extensions to your Cisco or third-party IP call-control system. Having these
Cisco VG400 Voice Gateway Hardware Installation Guide
5
Introduction to Cisco VG400 Voice Gateway
Slot, Bay, and Ports
