Datasheet

DIY IOT Electronics and Solutions
IOT-BOTS.COM LLC IBT-QTC-BG9X-AMC-DS Rev. 1.1 12
 Abbreviation “SO” – initially open.
SP1 PCB jumper is used for Modem FW upgrade.
Table 2
№№
Name
Description
Default
State
Functional area
1
SC1
CTS / CTS_GPS_TXD bridge
Closed
GPS UART / GSM UART
2
SC2
RTS / RTS_GPS_RXD bridge
Closed
NVM
3
S
C3
GSM_TXD / GSM_TXD_ESP
32
bridge
Closed
GSM UART
4
S
C4
GSM_
R
XD / GSM_
R
XD_ESP
32
bridge
Closed
GSM UART
5
S
C5
UID NVM Address Selection
Closed
UID NVM
6
S
C6
GPS Antenna Power Enable
Closed
GPS
7
SC7
GSM_NET LED Enable
Closed
Modem Control & Status
8
SO1
GPS_TXD / CTS_GPS_TXD bridge
Open
GPS UART / GSM UART
9
SO2
GPS_RXD / RTS_GPS_RXD bridge
Open
GPS UART / GSM UART
10
SO4
GSM_TXD / GSM_TXD_ESP_RTS bridge
Open
GSM UART
11
SO
5
GSM_
RTS
/ GSM_TXD_ESP_RTS bridge
Open
GSM UART
12
SO
6
GSM_
R
XD / GSM_
R
XD_ESP_
C
TS bridge
Open
GSM UART
13
SO
7
GSM_
RTS
/ GSM_
R
XD_ESP_
C
TS
bridge
Open
GSM UART
14
SO
8
GSM_
DTR
/ GSM_
DTR_EXT
bridge
Open
Modem Control & Status
15
SO
9
GSM_
DCD
/ GSM_
DCD_EXT
bridge
Open
Modem Control & Status
16
S
O10
GSM_
RI
/ GSM_
RI_EXT
bridge
Open
Modem Control & Status
17
SO11
GSM_
STATUS
/ GSM_
STATUS_EXT
bridge
Open
Modem Control & Status
18
SO12
qJam QIO /
GSM_
STATUS_EXT
bridge
Open
qJam IO
19
SO13
GSM RI QINT/ QINT_EXT
bridge
Open
Modem Control & Status
20
SO14
qJam QINT / QINT_EXT
bridge
Open
qJam INT
21
SO15
VDD_RTC / VDD_RTC_EXT
bridge
Open
Modem RTC
22
SO16
UID NVM Address Selection
Open
UID NVM
23
SO17
I2C SDA Pull
-
Up Resistor Enable
Open
I2C
24
SO18
I2C SCL Pull
-
Up Resistor Enable
Open
I2C
25
SP1
USB Boot Pin Power On
Open
Modem FW Upgrade
Initially Closed PCB jumper could be opened by cutting trace between jumper pads.
Open PCB jumper could be closed by soldering using iron's tip.
Picture below shows location of PCB jumpers.