JETWAY NP591 - Page 13

8
Pin (5&6) of J1 (6-pin): Flash Descriptor Security Override
Pin 1
Pin 1
2
2
5
6
5
6
Pin (5&6) of JP1 → TXE Security Function Select
5-6 Open: Normal;
5-6 Closed: Override.
JP2 (4-pin): COM1 Header Pin9 Function Select
JP2 → COM1 Header Pin-9
6
4
2
3
1
5
2-4 Closed:
Pin9= RING
(Default);
3-4 Closed:
Pin9=+5V;
4-6 Closed:
Pin9=+12V.
1
3
5
2
4
6
1
3
5
2
4
6
Note ： Maximum current limit is 500mA while using 5V or 12V.