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COPYRIGHT NOTICE
Copyright © 2011 ORing Industrial Networking Corp.
All rights reserved.
No part of this publication may be reproduced in any form without the prior written consent of
ORing Industrial Networking Corp.
TRADEMARKS
is a registered trademark of ORing Industrial Networking Corp.
All other trademarks belong to their respective owners.
REGULATORY COMPLIANCE STATEMENT
Product(s) associated with this publication complies/comply with all applicable regulations.
Please refer to the Technical Specifications section for more details.
WARRANTY
ORing warrants that all ORing products are free from defects in material and workmanship
for a specified warranty period from the invoice date (5 years for most products). ORing will
repair or replace products found by ORing to be defective within this warranty period, with
shipment expenses apportioned by ORing and the distributor. This warranty does not cover
product modifications or repairs done by persons other than ORing-approved personnel, and
this warranty does not apply to ORing products that are misused, abused, improperly
installed, or damaged by accidents.
Please refer to the Technical Specifications section for the actual warranty period(s) of the
product(s) associated with this publication.
DISCLAIMER
Information in this publication is intended to be accurate. ORing shall not be responsible for
its use or infringements on third-parties as a result of its use. There may occasionally be
unintentional errors on this publication. ORing reserves the right to revise the contents of this
publication without notice.
CONTACT INFORMATION
ORing Industrial Networking Corp.
3F., No.542-2, Zhongzheng Rd., Xindian Dist., New Taipei City 23148, Taiwan (R.O.C.)
Tel: [phone] // Fax: [phone]
Website: www.oring-networking.com
Technical Support
E-mail: [e-mail]
Sales Contact
E-mail: [e-mail] (Headquarters)
[e-mail] (China)

Table of Contents
Getting to Know Your Access Point ............................................................ 1
1.1 ABOUT THE ORING ACCESS POINT ...........................................................................1
1.2 SOFTWARE FEATURES.............................................................................................1
1.3 HARDWARE FEATURES ............................................................................................1
Hardware Installation.................................................................................... 2
2.1 WALL MOUNTING INSTALLATION ................................................................................2
Hardware Overview....................................................................................... 3
3.1 FRONT PANEL.........................................................................................................3
3.2 FRONT PANEL LEDS...............................................................................................5
Cables and Antenna...................................................................................... 6
4.1 ETHERNET CABLES .................................................................................................6
4.2 100BASE-T(X)/10BASE-T PIN ASSIGNMENTS ............................................................ 6
4.3 WIRELESS ANTENNA ...............................................................................................7
Management Interface .................................................................................. 8
5.1 EXPLORE TAP-3120-M12 .......................................................................................8
5.1.1 AP-Tool software ..............................................................................................8
5.2 UPNPEQUIPMENT ..................................................................................................9
5.3 CONFIGURATION BY WEB BROWSER ....................................................................... 10
5.4 ABOUT WEB-BASED MANAGEMENT......................................................................... 10
5.5 MAIN INTERFACE................................................................................................... 11
5.5.1 Basic Setting .................................................................................................. 12
Setting Operation Mode ..........................................................................................12
Setting WDS (Bridge Mode) .................................................................................... 13
Setting Wireless...................................................................................................... 16
Client ...................................................................................................................... 21
LAN Setting ............................................................................................................23
Setting DHCP Server .............................................................................................. 24
5.5.2 Advanced Setting ........................................................................................... 25
Wireless.................................................................................................................. 25
MAC Filter .............................................................................................................. 27

System Event ......................................................................................................... 28
Email Settings......................................................................................................... 29
SNMP Settings ....................................................................................................... 29
Syslog Server Settings............................................................................................ 30
5.5.3 System Tools.................................................................................................. 30
Administrator .......................................................................................................... 30
Date & Time............................................................................................................ 32
Configuration .......................................................................................................... 33
Firmware Upgrade .................................................................................................. 34
Miscellaneous ......................................................................................................... 34
5.5.4 System Status ................................................................................................ 35
System Info.............................................................................................................35
System Log............................................................................................................. 36
Traffic Statistics....................................................................................................... 36
Wireless Clients ...................................................................................................... 37
5.5.5 Online Help .................................................................................................... 37
Technical Specifications ............................................................................ 38
Appendix A...................................................................................................................... 40
How to configure SNMP MIB and use SNMP in the PCs?............................................ 40

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Getting to Know Your Access Point
1.1 About the ORing Access Point
TAP-3120-M12 is reliable IEEE802.11a/b/g and 802.11b/g WLAN
Access Point with 2 LAN ports. It can be configured to operate in
Dual AP/Dual Client/Bridge/AP-Client mode. You can configure
TAP-3120-M12 by Window Utility or WEB interfaces via LAN port or
WLAN interface. TAP-3120-M12 provides dual Ethernet ports in
switch mode, so you can use Daisy Chain to reduce the usage of
Ethernet switch ports. Therefore TAP-3120-M12 is one of the best
communication solutions for wireless application.
1.2 Software Features
High Speed Air Connectivity: WLAN interface support up to 54Mbps link speed
connection
Highly Security Capability: WEP/WPA/WPA2/RADIUS/TKIP supported
Supports AP/Client/Bridge Mode
Switch Mode Supported: Daisy Chain support to reduce usage of switch ports
Secured Management by HTTPS
Event Warning by Syslog, Email, SNMP Trap, Relay and Beeper
1.3 Hardware Features
Redundant Power Inputs: Dual 12~48 VDC on M23 connector
10/100Base-T(X) Ethernet port
Casing: IP-40
Dimensions(W x D x H): 125mm(W) x 65mm(D) x 196mm(H)
Weight: 1015 g
Operating Temperature: -20 to 70°C
Storage Temperature: -40 to 85°C
Operating Humidity: 5% to 95%, non-condensing

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Hardware Installation
2.1 Wall Mounting Installation
If you wish to mount the TAP-3120-M12 on the wall, please do the following steps:
Step 1Prepare 4 screws (not included in the package) similar to the ones shown below.
The screws should not be too long. The head of each screw should be larger than
the width of the top section of the AP’s screw hole. If you want absolutely the most
secure wall-mount installation of the AP, the head of each screw should be larger
than the bottom section of the AP’s screw hole. If you wish to later un-mount the
AP without loosening of the screws, the head of each screw should just barely go
pass by the bottom section of the AP’s screw hole.
Step 2Secure the TAP-3120-M12 onto the wall by tightening the 4 screws all the way in
so each screw firmly latches on the top section of its corresponding screw hole.
top section
bottom section

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Hardware Overview
3.1 Front Panel
The following table describes the labels that stick on the TAP-3120-M12.
Port Description
10/100 Base-T(X) fast
Ethernet ports on
M12 connector
(D-coding)
2 10/100Base-T(X) fast Ethernet ports support auto-negotiation.
Default Setting :
Speed: auto
Relay Output on M12
(A-coding) connector
Relay output to carry capacity of 3A at 24VDC
Redundant power
inputs on M23
connector
Dual Power Inputs. 12~48 VDC on M23 connector (24 VDC Typ)

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TAP-3120-M12
1. 2.4/5.8GHz antenna with typical 3.0 dBi antenna for IEEE 802.11a mode and 2 dBi for
IEEE 802.11b/g mode.
2. LED for PWR1 and system status. When the PWR1 links, the green LED will light on.
3. LED for PWR2 and system status. When the PWR2 links, the green LED will light on.
4. LED for Ethernet port 1 (ETH1) status
5. LED for Ethernet port 2 (ETH2) status
6. LED for WLAN1 link status
7. LED for WLAN2 link status
8. LED for Fault Relay. When the fault occurs, the red LED will light on.
9. Power Input port on M23 connector
10. Ethernet port 1 (ETH1) on M12(D-coding) connector

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11. Ethernet port 2 (ETH2) on M12(D-coding) connector
12. Relay output on M12(A-coding) connector
3.2 Front Panel LEDs
LED Color Status Description
PWR1 Green/Red
Green On DC power 1 activated.
Green blinking Device been located
Red blinking
Indicates an IP conflict, or
DHCP or BOOTP server did
not respond properly
PWR2 Green/Red
Green On
DC power 2 activated.
Green blinking Device been located
Red blinking
Indicates an IP conflict, or
DHCP or BOOTP server did
not respond properly
ETH1
Amber On Port link up at 10Mbps.
Blinking Data transmitted.
Green On Port link up at 100Mbps.
Blinking Data transmitted.
ETH2
Amber On Port link up at 10Mbps.
Blinking Data transmitted.
Green On Port link up at 100Mbps.
Blinking Data transmitted.
WLAN
Green On WLAN1 activated.
Blinking WLAN1 Data transmitted.
Red On WLAN2 activated.
Blinking WLAN2 Data transmitted.
Fault Red On Fault relay. Power failure or
Port down/fail.

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Cables and Antenna
4.1 Ethernet Cables
The TAP-3120-M12 WLAN AP has two 10/100Base-T(X) Ethernet ports. According to
the link type, the AP uses CAT 3, 4, 5, 5e UTP cables to connect to any other network
device (PCs, servers, switches, routers, or hubs). Please refer to the following table for
cable specifications.
Cable Types and Specifications
Cable Type Max. Length Connector
10Base-T Cat. 3, 4, 5 100-ohm UTP 100 m (328 ft) M12(D-codng)
100Base-T(X) Cat. 5 100-ohm UTP UTP 100 m (328 ft) M12(D-coding)
4.2 100Base-T(X)/10Base-T Pin Assignments
With 100Base-T(X)/10Base-T cable, pins 1 and 2 are used for transmitting data, and
pins 3 and 6 are used for receiving data.
M12(4-pin, D-coding) Pin Assignments
Pin Number Assignment
1 RD+
2 TD+
3 RD-
4 TD-
The TAP-3120-M12 supports auto MDI/MDI-X operation. You can use a straight-through
cable to connect PC and AP. The following table below shows the 10Base-T/
100Base-T(X) MDI and MDI-X port pin outs.

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MDI/MDI-X pin assignment
Pin Number MDI port MDI-X port
1 RD+(receive) TD+(transmit)
2 TD+(transmit) RD+(receive)
3 RD-(receive) TD-(transmit)
4 TD-(transmit) RD-(receive)
Note: “+” and “-” signs represent the polarity of the wires that make up each wire pair.
4.3 Wireless Antenna
2.4GHz/5.8GHz antenna is used for TAP-3120-M12 and connected with a reversed SMA
connector. External RF cable and antenna also can be applied with this connector.

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Management Interface
5.1 Explore TAP-3120-M12
5.1.1 AP-Tool software
Each model contains user-friendly software, AP-Tool, to explore TAP-3120-M12 on
local area network.
Step 1: Open the AP tool and click “Refresh list”, the AP devices will show on the list.
Step 2: Choose your access point, and it will show the AP attribute. Simultaneity, you
can manually set the AP’s IP address.
User interface of AP-Tool
Step 3: Click “Access via web” button, it will go to web page.

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5.2 UPnP Equipment
Step 1 To check whether the UPnP UI of the computer is connected to the
TAP-3120-M12, go to Control Panel > Add or Remove Programs > Windows
Components Wizard > Networking Servers > UPnP User Interface and enable the
UPnP User Interface.
UPnP configuration page
Step 2 At the right-below corner of the computer, you will find a sign of the UPnP
equipment.

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Step 3 Click the sign of the UPnP equipment; then you will find the UPnP equipment in
the network neighborhood.
Step 4 To display information of the UPnP equipment, right-click the UPnP equipment
and choose “Properties”.
Step 5 Right-click the UPnP equipment or double click the UPnP equipment to transfer; it
will go to the web page.
5.3 Configuration by Web Browser
This section introduces the configuration by Web browser.
5.4 About Web-Based Management
An embedded HTML web site resides in flash memory in the system. It contains
advanced management features and allows you to manage the AP from anywhere on the
network through a standard web browser such as Microsoft Internet Explorer.
The Web-Based Management function supports Internet Explorer 5.0 or later. It is based
on Java Applets with an aim to reduce network bandwidth consumption, enhance access
speed and present an easy viewing screen.
Note: By default, IE5.0 or later version does not allow Java Applets to open sockets. You need to explicitly modify
the browser setting in order to enable Java Applets to use network ports.

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Through the front section’s information, you will see the following dialog window. Enter
your user name (admin) and your password (admin), and then click OK to continue.
Login screen
For security reasons, we strongly suggest you change the password. Click on System
Tools > Administrator and modify the password.
5.5 Main Interface
The Home screen will appear. Please click “Run Wizard” to go to the Home > Setup
Wizard page to quick install the AP.
Main interface

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5.5.1 Basic Setting
Setting Operation Mode
Operation mode interface
The following table describes the labels in this screen.
Label Description
Redundant AP This mode provides redundant Access Point services for other
redundant wireless clients.
Redundant Client In this mode Dual RF redundant clients can join dual RF
redundant APs.
AP-Client In this mode one RF with AP function services for other wireless
clients, and the other RF with client function can connect AP.
Client-AP In this mode one RF with client function can connect the other AP,
and the other with AP function provides Access Point services for
other wireless clients.
Bridge This mode provides Static LAN-to-
LAN Bridging functionality.
The static LAN-to-LAN bridging function is supported through
Wireless Distribution System (WDS).
In each mode, the TAP-3120-M12 forwards packet between its Ethernet interface and
wireless interface for wired hosts on the Ethernet side, and wireless hosts on the wireless
side.

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Setting WDS (Bridge Mode)
WDS setting interface
This type of wireless link is established between two IEEE 802.11 access points.
Wireless packets transmitted along the WDS link comply with the IEEE 802.11 WDS
(Wireless Distribution System) format at the link layer.
Point-to-Point WDS Link
The following table describes the labels in this screen.
Label Description
WDS Mode This mode provides Static LAN-to-LAN Bridging functionality.
The static LAN-to-LAN bridging function is supported through
Wireless Distribution System (WDS).
Peer MAC Address Set the Mac address of other access point(s). Simultaneously,
choose “Enabled”.
First of all, if APs link with WDS mode, it should obey the following rules:

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1. LAN IP Address should set different IP in the same network.
2. All AP’s DHCP Server should set shutdown.
3. WDS should set Enable.
4. Each AP should have the same setting except ‘Peer Mac Address’ set to the other’s
Mac address
5. At wireless web setting Security and Channel should be the same,
6. AP’s distance should be limited within a certainty area.
WDS – Restricted Mode
Fill in the wireless MAC address of AP that you want to connect.
WDS –Bridge Mode
Fill in the wireless MAC address of AP that you want to connect.

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The working principle of Bridge Mode as follows:
In the figure, the AP behaves as a standard bridge that forwards traffic between WDS links
(links that connect to other AP/wireless bridges) and an Ethernet port. As a standard bridge,
the AP learns MAC addresses of up to 64 wireless or 128 total wired and wireless network
devices, which are connected to their respective Ethernet ports to limit the amount of data to
be forwarded. Only data destined for stations which are known to reside on the peer Ethernet
link, multicast data or data with unknown destinations need to be forwarded to the peer AP via
the WDS link.
WDS –Repeater Mode
Fill in the wireless MAC address of AP that you want to connect.