PROCEND M331 Cellular Router Installation Guide
M331 Industrial Cellular Router
Quick Installation Guide
LED Indicators of Ethernet Port
There are two LED indicators for each of three LAN ports and one WAN
port.
Version: 1.01
Install the SIM Card
STEP 1: Before inserting or removing the SIM card, ensure that the
power has been turned off, or the power connector has been
removed from the M331 Cellular Router.
STEP 2: Using a screwdriver to remove the metal protective cover first,
insert the SIM card into the card slots. The cut-off edge of the
SIM card on upper SIM slot 1 (lower SIM slot 2) is to the left
(right).
LED
1000M
LINK
Blinking
N/A
On
Off
STEP 3: Push the SIM card and lightly press it to lock into the slot.
STEP 4: Remove the SIM card, lightly press it and it will pop out of the
slot.
1000Mbps
LINK UP
10/100Mbps
LINK DOWN
Data Transmitting
RS-232 and RS-485 pinouts
NOTE:
. Please use the industrial SIM card operating from -40°C to +105°C to ensure
proper cellular router operation.
. SIM loose contacts: adding a layer of tape behind the SIM might increase
contact pressure for better attachment.
LED Indicators
The following table explains the LED indicators on the front panel.
NOTE:
LED
SYS
Off
On
Slow
Fast
Heartbeat
. RS-232 and RS-485 share the common ground pin “G”.
Power
down
Power up
N/A
N/A
N/A
RS-232
Not
Pin
TX
RX
G
Signal
Transmit Data
Receive Data
Signal Ground
Direction
Output
SIM
Connected
High signal
Connecting
Error
Reading
N/A
working
Medium
signal
Low
Input
-
Signal
No signal
signal
Reset Button
Function
RS-485
Operation
Press the button for 1 seconds.
Pin
D +
D -
G
Description
Reset
Serial Port, Data+ (A) wire
Serial Port, Data- (B) wire
Signal Ground
Reset to default setting Press the button for more than 5 seconds.
Connecting I/O Ports
There are four terminals on the terminal block with two terminals used
for digital input and two terminals used for digital output.
Pin
DI +
DI -
Description
Digital Input
DO +
DO -
Digital Output
DI: Low (+0 to +3V) / High (+8 to +40V)
DO: Open Collect (maximum 30V/300mA)
P/N: 604040000077
-1-
| General | Details |
|---|---|
| Name | PROCEND M331 Cellular Router Installation Guide |
| Make | PROCEND |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.33 MB |
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