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Transmitter Power 

802.11b: 

Typ. 26±1.5 dBm @ 1 Mbps

Typ. 26±1.5 dBm @ 2 Mbps

Typ. 26±1.5 dBm @ 5.5 Mbps

Typ. 25±1.5 dBm @ 11 Mbps

802.11g: 

Typ. 23±1.5 dBm @ 6 to 24 Mbps

Typ. 21±1.5 dBm @ 36 Mbps

Typ. 19±1.5 dBm @ 48 Mbps

 

Typ. 18±1.5 dBm @ 54 Mbps 

 

 
 
 
 

 

 
 
 
 
 
 
 
 

Receiver Sensitivity

802.11b:

-93 dBm @ 1 Mbps

-93 dBm @ 2 Mbps

-93 dBm @ 5.5 Mbps

-88 dBm @ 11 Mbps

802.11g:

-88 dBm @ 6 Mbps

-86 dBm @ 9 Mbps

-85 dBm @ 12 Mbps

-85 dBm @ 18 Mbps

-85 dBm @ 24 Mbps

-82 dBm @ 36 Mbps

-78 dBm @ 48 Mbps

-74 dBm @ 54 Mbps

FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT

This equipment has been tested and found to comply with the limits for a Class A 

digital device, pursuant to part 15 of the FCC Rules. These limits are designed to 

provide reasonable protection against harmful interference when the equipment is 

operated in a commercial environment. This equipment generates, uses, and can 

radiate radio frequency energy and, if not installed and used in accordance with the 

instruction manual, may cause harmful interference to radio communications. 

Operation of this equipment in a residential area is likely to cause harmful interference 

in which case the user will be required to correct the interference at his own expense.

CAUTION: 

Any changes or modifications not expressly approved by the grantee of this device 

could void the user's authority to operate the equipment.

The availability of some specific channels and / or operational frequency bands are 

country dependent and are firmware programmed at factory to match the

 intended 

destination. The firmware setting is not accessible by the end user.

This device complies with Part 15 of the FCC Rules. Operation is subject to the 

following two conditions: (1) this device may not cause harmful interference, and (2) 

this device must accept any interference received, including interference that may 

cause undesired operation.

RF Exposure warning  

This equipment must be installed and operated in accordance with provided 

instructions and the antenna(s) used for this transmitter must be installed to provide a 

separation distance of at least 

23

 cm from all persons and must not be co-located or 

operating in conjunction with any other antenna or transmitter. End-users and 

installers must be provide with antenna installation instructions and transmitter 

operating conditions for satisfying RF exposure compliance.

Summary of Contents for AWK-3121B Series

Page 1: ...AWK 3121B Series QuickInstallation Guide Version 1 4 SEP 2022 Technical Support Contact Information www moxa com support 2022 Moxa Inc All rights reserved ...

Page 2: ...ative for assistance Installation and Configuration Before installing the AWK 3121B make sure that all items in the package checklist are included in the box In addition you will need access to a notebook computer or PC equipped with an Ethernet port The AWK 3121B has a default IP address that you must use when connecting to the device for the first time Step 1 Select the power source The AWK 3121...

Page 3: ... the Username and Password to open the AWK 3121B homepage If you are configuring the AWK 3121 B for the first time enter the following default Username and Password and click on the Login button Username admin Password moxa ATTENTION For security reasons we strongly recommend changing the password after first access To change the password select Maintenance Password and follow the on screen instru...

Page 4: ...6 10 100 1000BaseT X 8 pin M12 X coded female connector for LAN1 7 Grounding screw 8 RJ45 RS 232 console Reset button 9 Wall Mounting optional In most applications wall mounting the AWK 3121Bis the most commonly used method which makes installation easier as illustrated below STEP 1 Attach the wall mounting plates with the M4 screws in the accessory package ...

Page 5: ...rews into the wall STEP 3 Once the screws are driven into the wall insert the four screw heads through the large opening of the keyhole shaped apertures in the wall mount plates and then slide the AWK 3121B downwards as indicated to the right Tighten the four screws for added stability DIN Rail Mounting Optional The DIN rail mounting method is used in industrial or railway application You will req...

Page 6: ...e authority responsible for the location Only authorized well trained professionals should be allowed to access the restricted access location Service persons or users must pay special attention and take special precautions before handling this equipment External Metal Parts are Hot Use adequate protection before handling this device STEP 2 Insert the top of the DIN rail into the slot just below t...

Page 7: ... wiring to all devices in the system for easy identification NOTE Do not run signal or communications wiring and power wiring in the same wire conduit To avoid interference wires with different signal characteristics should be routed separately Wiring Requirements You should also pay attention to the following items Use separate paths to route wiring for power and devices If power wiring and devic...

Page 8: ... Conn FE Conn 1 DA TD 2 DA TD 3 DB RD 4 DB RD 5 DD 6 DD 7 DC 8 DC Grounding the Moxa AWK 3121B Grounding and wire routing help limit the effects of noise due to electromagnetic interference EMI Run the ground connection from the ground screw to the grounding surface prior to connecting devices Connecting the Power Supplies The AWK 3121B supports two types of power supplies PWR1 and PWR2 The 4 pin ...

Page 9: ...le Connection The AWK 3121B has one RS 232 8 pin RJ45 console port on the front panel Use either an RJ45 to DB9 or RJ45 to DB25 cable to connect the AWK 3121B console port to your PC s COM port You may then use a console terminal program to access the AWK 3121B for console configuration Console Pinouts for 10 pin or 8 pin RJ45 10 Pin Description 8 Pin ...

Page 10: ...s DQPSK 2 Mbps DBPSK 1 Mbps 802 11g 64QAM 54 48 Mbps 16QAM 36 24 Mbps QPSK 18 12 Mbps BPSK 9 6 Mbps Operating Channels central frequency US 2 412 to 2 462 GHz 11 channels EU 2 412 to 2 472 GHz 13 channels JP 2 412 to 2 484 GHz 14 channels DSSS Security SSID broadcast enable disable Firewall for MAC IP Protocol Port based filtering 64 bit and 128 bit WEP encryption WPA WPA2 Personal and Enterprise ...

Page 11: ...ause harmful interference in which case the user will be required to correct the interference at his own expense CAUTION Any changes or modifications not expressly approved by the grantee of this device could void the user s authority to operate the equipment The availability of some specific channels and or operational frequency bands are country dependent and are firmware programmed at factory t...

Page 12: ...or for RS 232 serial console Reset Present PWR FAULT STATE WLAN LAN 1 LAN 2 Physical Characteristics Housing Metal Weight 2 0 kg Professional installation This is a specific product that requires professional installation and configuration must be performed by trained technical engineers to install the antenna please contact Moxa for further information The availability of some specific channels a...

Page 13: ...0 V m IEC 61000 4 4 EFT Power 2 kV Signal 2 kV IEC 61000 4 5 Surge Power 2 kV Signal 2 kV IEC 61000 4 6 CS 10 V IEC 61000 4 8 Radio EN 300 328 TELEC FCC Rail Traffic EN 50155 EN 50121 4 Fire and Smoke EN 45545 2 This product is suitable for rolling stock railway applications as defined by the EN 50155 standard For a more detailed statement click here www moxa com doc specs EN_50155_Compliance pdf ...

Page 14: ...e antennas correctly The 2 4 GHz antennas are needed when the AWK 3121B operates in IEEE 802 11b g Make sure your antenna installation is within a safe area which is covered by a lightning protection or surge arrest system ...

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