ITG User’s Guide
The contents of your product should contain the following items:
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Internet Telephony Gateway 2 port or 4 port desk top version
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100-240V Power Adapter
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9-pin straight through RS-232 cable
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User’s guide
1.4 Front Panel
The front panel of the ITG contains a push button and LED indicators. The following figure
illustrates the front panel of the ITG.
Figure 1-1 2 ports ITG Front Panel
Figure 1-2 4 ports ITG Front Panel
LED Indicators
When the ITG powers on, it switches the state of COL, LNK, 100 and ACT LED indicators in
red color per 200 ms in a manner shown in the following table
ACT
100
LNK
COL
Boot loader State
solid on solid on solid on
solid on Execution start
blink
off
off
solid on Memory test
blink
blink
off
solid on Loading application code
blink
blink
blink
solid on Loading TFTP loader code
blink
blink
blink
blink
Failed loading application code and TFTP loader
off
off
blink
off
Memory test fail
The LED indicators on the front panel display the current status of the ITG as described in
the following table:
Indicator
Color Activity
Indication
PWR
Green On
Power is supplied to the gateway.
10
Overview