4 usb port, 5 battery packs – ZyXEL Communications P-2900-4HB User Manual
Page 19
Chapter 1 Getting To Know Your ZyXEL Device
P-2900-4HB User’s Guide
19
1.4 USB Port
The USB port is useful if you have an USB-enabled computer that does not have a
network interface card available for attaching to the ZyXEL Device’s LAN network.
See the Quick Start Guide for details about USB driver installation procedures.
1.5 Battery Packs
You can install up to two optional battery packs in the ZyXEL Device’s battery bay.
This will ensure that any phones attached to the device during a power outage will
continue to function for a time. See the Quick Start Guide for details about battery
packs intallation procedures.
The standby time for a single battery is approximately 8 hours while the usage
time is approximately 5 hours.
USB
Green
On
A computeris connected to the USB port on the
ZyXEL Device. See
for
more information about the USB port.
Blinking
The ZyXEL Device is sending/receiving data via
the USB port.
Off
The USB port is not connected.
PHONE 1-4 Green
On
The ZyXEL Device has successfully registered to
an IP telephone network.
Blinking
The phone port is in use or is getting VoIP settings
from the MTA auto-provisioning server.
Off
The phone port is not connected or has not yet
connected to the MTA auto-provisioning server.
BATTERY
Green
On
• The ZyXEL Device is starting up.
• The battery has sufficient power and the ZyXEL
Device is using AC power. The LED turns off if
the ZyXEL Device uses battery power.
Blinking
The battery power is low.
Off
• The ZyXEL Device is receiving sufficient power
from the battery if the PWR LED is blinking at
the same time.
• The ZyXEL Device is not receiving power from
the battery nor AC power.
Note: The device cannot function when there is
a power outage.
Table 1 Front Panel LEDs (continued)
LED
COLOR STATUS
DESCRIPTION