ITG User’s Guide
SYSTEM
Green
Blinking
The system is running. (Heartbeat LED)
LAN
y
ACT
y
100M
y
LNK
y
COL
Green
Green
Green
Green
On
On
Off
On
On
Data is presented on LAN.
The gateway is connected to LAN at 100Mb/s.
The gateway is connected to LAN at 10Mb/s.
The gateway is connected to LAN.
Data collision is occurring on the network connection.
LINE
Channels
1-4
Reset Button
Green
Off
On
Blinking
The line is idle.
The line is being used.
The line is ringing.
There is a push button located behind a small hole next to the SYSTEM LED.
This
button
allows you to reset the ITG or force the ITG to enter firmware upgrade mode.
To reset the gateway, push a small, stiff object into the hole until the SYSTEM LED
stops
blinking, then release the button.
Powering
on
the
gateway
while pressing down the button for 5 seconds forces the ITG to
enter download mode
1.5
Rear
Panel
The rear panel of the ITG has two FXS ports
for 2 ports ITG and four
ports
with
two
FXO
and two FXS ports for 4 ports ITG. Depending
on
the
type
of the telephony interface. The
telephony interface ports may be connected
to telephony devices, such as PBX, KTS, and
telephone
sets
of central office. In addition to
the telephony interface ports, there is an power
adapter connection hole on the rear panel.
Console LAN
FXS
12VDC
Figure 1-1 2 ports ITG Rear Panel
Console LAN
FXO FXS
Figure 1-2 4 ports ITG Rear Panel
12VDC
LAN / Console Ports
The
ITG
is
equipped
with
an
Ethernet
interface
with
10/100
Mbps
auto-negotiation capability. The Ethernet interface port is located on
the rear panel. In addition
to
the
Ethernet
Overview
11
