EQT-1616-3G-C-C
EQT 12G/3G/HD Router
Page 20
Table 4-1 : Standard GPI Encoding Functions
There are three methods to trigger the GPIs. The first option, the user can connect the frame supplied by
+5V (VINT pin) to the VEXT pin to provide power to the GPIO opto-isolator circuitry. In this configuration,
the user can activate the GPIs simply by connecting the GPI input pins to ground (see Figure 4-4). This
can be done with a button, switch, relay or an open collector transistor.
Warning:
Do NOT connect one frame’s +5V VINT to another frame’s +5V VINT.
FUNCTION
GPI4
GPI3
GPI2
GPI1
Source 1
0
0
0
0
Source 2
0
0
0
1
Source 3
0
0
1
0
Source 4
0
0
1
1
Source 5
0
1
0
0
Source 6
0
1
0
1
Source 7
0
1
1
0
Source 8
0
1
1
1
Source 9
1
0
0
0
Source 10
1
0
0
1
Source 11
1
0
1
0
Source 12
1
0
1
1
Source 13
1
1
0
0
Source 14
1
1
0
1
Source 15
1
1
1
0
Source 16
1
1
1
1
Содержание EQT-1616-3G-C
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Страница 84: ...EQT 1616 3G C C EQT 12G 3G HD Router Page 72 Figure 8 10 WinSeup Ethernet Port Settings Serial ...
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