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▷ The relay contacts are used to indicate user-
configured events. The two wires attached to
the relay contacts form an open circuit when
a user-configured event is triggered. If a user-
configured event does not occur, the relay circuit
will be closed.
Wiring the Digital Inputs
▷ The OnCell G3150A-LTE has two sets of digital
inputs—DI1 and DI2.
▷ Each DI comprises of two contacts on the 6-pin
terminal block connector located on the top
panel of the OnCell G3150A-LTE.
▷ For detailed information on isolated digital input
definition, see page 7 (Specifications).
Communication Connections
0/00BaseT(X) Ethernet Port Connection
▷ The 10/100BaseT(X) ports located on the front
panel of the OnCell G3150A-LTE are used to
connect to Ethernet-enabled devices.
▷ Pinouts for both MDI (NIC-type) ports and MDI-X
(HUB/Switch-type) ports:
MDI Port
MDI-X Port
Pinouts
Pinouts
Pin
Signal
Pin
1
Tx+
1
2
Tx-
2
3
Rx+
3
4
Rx-
6
Serial DB9 Connection
▷ The OnCell G3150A-LTE has one DB9 male port
that supports RS-232, RS-485-4W, RS-485-2W,
and RS-422:
Pin assignments
RS-4/
Pin RS-
485-4w
1
DCD
TxD-(A)
2
RxD
TxD+(B)
3
TxD
RxD+(B) Data+(B)
4
DTR
RxD-(B) Data-(A)
5
GND
GND
6
DSR
7
TRS
8
CTS
9
–
–
RS- Console Connection
▷ The OnCell G3150A-LTE has one RS-232 (8-pin
RJ45) console port located on the front panel.
▷ Use either an RJ45-to-DB9 or RJ45-to-DB25
cable to connect the Moxa OnCell G3150A-LTE's
console port to your PC's COM port.
▷ You may then use a console terminal program to
access the OnCell G3150A-LTE for configuring
the console configuration.
8-Pin RJ45
Signal
Rx+
Rx-
1
2 3 4 5 6 7
8
Tx+
Tx-
DB9 Male
RS-
Connector
485-w
–
1
5
–
GND
6
9
Tx-
Console Pinouts for 0-Pin or 8-Pin RJ45
0-Pin
Description
1
–
2
DSR
3
RTS
4
GND
5
TxD
6
RxD
7
–
8
CTS
9
DTR
10
–
▷ The pin numbers for both 8-pin and 10-pin RJ45
connectors (and ports) are typically not labeled
on the connector (or port).
LED Indicators
▷ The front panel of the Moxa OnCell G3150A-LTE
contains several LED indicators.
Function of LEDs
Type Color State
Signal
Green Blinking The number of blinks indicates
(1 LED)
PWR1/
Green On
Off
PWR2
Ready Green On
Blinking
(slow at
1-sec
intervals)
Off
Fault
Red
On
Blinking
(slow at
1-sec
intervals)
Off
6
8-Pin
1
2
3
4
1
2 3 4 5 6 7
8
5
6
7
8
Description
the cellular signal level (once the
device is connected to a cellular
network with an IP address.)
Interval between two blinks:
200 ms
Gap: 2 seconds
No.
of
Cellular
RSSI Ran-
Blinks
RSSI
ge (dBm)
113 <
0 < SNR
1
RSSI ≤
≤ 12
-89
12 <
-89 < RSSI
2
SNR ≤
≤ -73
21
22 <
-73 < RSSI
3
SNR ≤
≤ -51
31
The Cellular RSSI value is based
on the OnCell device signal
strength returned by the AT+
CSQ AT command. You can
also refer to the equivalent signal
RSSI Range (dBm) provided in
the table above.
DC power source active
Power is off
System startup is complete and
the system is in operation
The OnCell device has been lo-
cated by the
Wireless Search Utility.
Power is off, or device is boo-
ting up.
Device is booting up, or IP
address conflict.
Cannot get an IP address from
the DHCP
server
Power is off or no error condition
exists.
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