westermo 4400 Cellular Router User Guide
To comply with the requirements of PTCRB in North America:
1. It is recommended to select an antenna from the list above.
2. Should a user select their own antenna, Westermo strongly recommends that it be mounted with at least
20cm of cable.
3. Where a user selects a directly mounted antenna, it must comply with the OTA requirements of the
PTCRB.
4.5. Inserting SIM Cards
On the rear side of the router there are two SIM slots. To access the SIM cards, first remove the SIM cover
using a suitable screwdriver (not supplied). Only the proper driver can drive a specific head size without risk of
damaging the driver or screw.
The product datasheet indicates the correct size of SIM card to use. A Mini-SIM card (2FF) is of size 25mm
x 15mm x 0.76mm. Do not use a card larger than or smaller than that specified in the product datasheet or
you may cause damage to the unit. Using the correct SIM card size helps avoid issues such as incompatibility or
improper insertion that can lead to device malfunction.
4.5.1. Inserting SIM 1 Card
Ensure the router is powered off.
•
•
•
•
Remove the SIM cover using a suitable screwdriver.
Hold the SIM 1 card with the chip side facing down and the cut corner facing away from you, to the left.
Gently push the SIM card into the upper SIM slot 1 until it clicks in.
Screw the SIM cover back on with the screwdriver.
4.5.2. Inserting SIM 2 Card
•
If you are using a second SIM, hold the SIM 2 card with the chip side facing up and the cut corner front right
facing away from you.
•
•
Gently push the SIM card into the lower SIM slot 2 until it clicks in.
Screw the SIM cover back on with the screwdriver.
4.6. Powering Up
Plug the power cable first into the device and then to a suitable power source. The router takes less than a
minute to boot up. During this time, the power LED flashes.
Other LEDs display different diagnostic patterns during boot up. Booting is complete when the power LED stops
flashing and stays on steady.
Merlin 4400 Series
17
5. Specifications
5.1. Interface Specifications
DC, Power port
Operating voltage
Rated current
9.6 to 60 VDC
325 mA at 12 VDC
103 mA at 48 VDC
Rated frequency
Inrush current
DC
2.74 x 10-3 A2s at 12 VDC
Reverse polarity protected
No
Polarity
Redundant power input
Isolation
All other ports
Push-in spring connectors
0.2-2.5 mm² (AWG 24-12)
7 mm
Connector
Conductor cross section
Stripping length cable
Tightening torque, screw flange
Shielded cable
0.3 Nm
Not required
Ethernet TX
Electrical specification
Data rate
IEEE std 802.3
10 Mbit/s, 100 Mbit/s, manual or auto
Full or half, manual or auto
Up to 150 m with CAT5e cable or better
All other ports
Duplex
Transmission range
Isolation
Connection
RJ-45, auto MDI/MDI-X
Shielded CAT5e or better is recommended
4
Cabling
Number of ports
Digital input
Mode of operation
Connection
Dry contact only
RJ-45 shielded cable
RS-232/485
Electrical specification
Data rate
Configurable for EIA RS-232 or EIA RS-422/485
RS-232: 50 bit/s - 1 Mbit/s
RS-485: 50 bit/s - 12 Mbit/s
Data format
7 or 8 data bits, odd, even or none parity, 1 or 2 stop bits (2 stop bits only when no parity is
set)
Transmission range
RS-232: 15 m/49 ft
RS-485: Up to 1200 m/0.74 mi, depending on data rate and cable type
RJ-45 according to EIA-561
Connection
RJ-45 shielded cable
18
Merlin 4400 Series
| General | Details |
|---|---|
| Name | westermo 4400 Cellular Router User Guide |
| Make | westermo |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.81 MB |
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