User's Manual

14
Introduction
Side View
Right view
ON
OFF
SDSIM
3.0
2.0
Left view
11
14
15
4
1
3
5
2
12
13
7
10
9
6
8
Figure 4. Side Views
Table 6. Side View
No Item Description
1
Left I/O
compartment
cover
Open to access the USB 2.0 port.
2 Micro HDMI Connect HDMI devices to the PM-521.
3 MicroSD slot Insert microSD card in to the slot.
4
Left I/O
compartment
cover
Open to access the left I/O ports.
5 Tether hole Stylus can be tethered to it.
6 USB 2.0 Connect USB devices to the PM-521.
7 Battery switch Switch to ON to provide power from the backup battery.
8 Micro SIM slot Insert micro SIM card for 3G or 4G LTE communication function.
9 USB 3.0 Connect USB devices to the PM-521.
10 Audio jack Connect a 3.5 mm jack for a headphone or external speakers.
11 Ethernet Connect the PM-521 to an Ethernet (RJ-45) cable.
12 DC-IN jack Insert power connector to charge battery.
13 RS-232 Connect the PM-521 to a serial device.
14 DC-IN cover Open to access the DC-IN jack.
15
Right I/O
compartment
cover
Open to access the right I/O port.