9
UNO-1252G User Manual
Chapter 2
H
ardware
F
unctionality
2.7
LED Indicators
There are eight LEDs indicating the status of the system power, RTC battery, SD
card, LAN port transmit/receive and PL1~3 for user’s configurations.
PWR
: Green light means normal, orange light means standby.
BTR
: Red means RTC battery being abnormal, please check the RTC battery.
Tx/Rx 1~2
: Flashing green means COM 1 and COM2 signals are being trans-
mitted and received.
SD
: Flashing green means the microSD card is being writing and reading.
PL 1~3
: User can configure the LED indicators’ behavior through GPIO control.
2.8
microSD card Slot
There is one microSD slot on board for standard microSD card storage. User can
insert microSD card from the bottom panel shown in Figure 2.3.
2.9
SIM card Slot
There is one Mini-SIM card slot on board for standard Mini-SIM card (2FF) usage.
User can insert standard Mini-SIM card from the bottom panel shown in Figure 2.3.
2.10
PCI Express Mini Card Socket
The UNO-1252G supports two full-size PCI Express Mini (mPCIe) card expansion,
refer to Figure 2.5. The first interface (CN5) provides PCI Express (PCIe) signal, and
the second interface (CN3) provides USB signal and connecting with SIM card slot.
The mPCIe expansion are mainly targeted to support iDoor technology/module for
diversified applications. Users can install iDoor module easily from the iDoor expan-
sion I/O on the front panel shown in Figure 2.1.
Figure 2.6 PCI Express Mini Card Socket on board
Summary of Contents for UNO-1252G Series
Page 14: ...UNO 1252G User Manual 4...
Page 26: ...UNO 1252G User Manual 16...
Page 34: ...UNO 1252G User Manual 24...
Page 35: ...Appendix A A System Settings and Pin Assignments...