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2.16 Buttons (K1, K2)
On-board 2x buttons, K1 is Power key, and K2 is Recover.
The K1&K2 share the same signal port with PIN3&4 of J2.
The K2 is used for download. If download system, connect PC and EM3288 with USB cable, then
keep-press K2 and power up until the PC pop up “found one download device”.
Short press K1 is sleep, and press again is wake up. Long press is power off and reboot.
2.17 3G connector & SIM slot (CON2, P4)
MINI PCI-E is an
on-board
3G module connector. The EM3288 is also
equipped with a SIM card slot.
The EM3288 3G module (Model: ZTE MF210) can be used directly in any country without modifying the
APN and dial number.
The 3G module is optional.
3G connector (CON2)
Pin Signal
Pin Signal
Pin Signal
Pin Signal
1 NC
2
3GVCC
3
NC
4
GND
5 NC
6
NC
7
NC
8
SIM_VCC
9 GND
10 SIM_DATA
11 NC
12 SIM_CLK
13 13
NC 14
15 GND
16 NC
17 NC
18 GND
19 NC
20 3GVCC
21 GND
22 3G_PWEN
23 NC
24 3GVCC
25 NC
26 GND
27 GND
28 NC
29 GND
30 NC
31 NC
32 NC
33 NC
34 GND
35 GND
36 USB_DM1
37 GND
38 USB_DP1
39 3GVCC
40 GND
41 3GVCC
42 LED_RED
43 GND
44 NC
45 NC
46 NC
47 NC
48 NC
49 NC
50 GND
51 NC
52 3GVCC
ZTE MF210 Technical Specifications