Cisco Aironet 340 Series User manual

TAKE OUT WHAT YOU NEED

CONNECT AND POWER UPTHE BRIDGE

CONFIGURE THE BRIDGE

Quick Start Guide

ISCO

IRONET

340 S

ERIES

IRELESS

RIDGES

LAN segment A

LAN segment B

File server

Workstation A

Wireless bridge

(root unit)

Wireless bridge

(remote node)

Workstation B

CONSOLE/RS-232C

12-18VDC

CONSOLE/RS-232C

12-18VDC

Take Out What You Need

If any item is missing or damaged, contact your Cisco representative or reseller for support.

Before You Begin

Before beginning installation, determine bridge location. Because the unit is a radio device, unit

and antenna location are important to ensure optimum radio range and throughput:

• To maximize the range of a building-to-building connection, install the antenna as high as

possible.

• Maintain a clear line of sight between wireless bridge antennas. Obstructions may impede

performance or limit bridge ability to transmit and receive data.

• Place directional antennas at both ends with maximum path clearance.

Cisco Aironet 340 Series Wireless Bridge

Bridge power pack

2.2 dBi dipole antenna

Cisco Aironet 340 Series Wireless Bridge CD

with product documentation

CONSOLE/RS-232C

12-18 VDC

Connect and Power Up the Bridge

Note: Before you install the bridge system, we recommend that you test the bridge using the

2.2 dBi antenna included in the package. Then install the wireless bridge with the appropriate

antenna for your application. A lightning arrestor and low-loss antenna cable are included in

the optional antenna kits or can be ordered separately.

Installing the Antenna

1If applicable, with the unit powered off, attach a lightning arrestor to the antenna

connector.

Note: The lightning arrestor provides surge protection to the bridge in the event of a lightning

strike and is highly recommended if the antenna will be located outdoors.

2Connect one end of the low-loss antenna cable to the lightning arrestor connected to the

bridge antenna connector.

Note: Because of FCC and DOC regulations, the antenna connector on the Aironet bridge is

of reverse polarity to the standard TNC connectors.

3Connect the other end of the antenna cable to the 2.2 dBi antenna or to an external

high-gain antenna.

4Mount the bridge antenna at an appropriate elevation to ensure maximum path clearance

and line-of-sight to the other bridge or device.

Installing the Ethernet Connection

The Aironet wireless Ethernet bridge supports three connection types: 10Base2 (Thinnet),

10Base5 (Thicknet), or 10BaseT (twisted pair). Connect only one Ethernet cable to each

bridge. With the power off, connect the appropriate cable from your network to the bridge.

10Base T

10Base 5

10Base 2

Antenna connector

10Base T

10Base 5

10Base 2

10Base 5

10Base 2

10Base5

connector

10Base2

connector

10Base 2

10Base T

10Base 5

10BaseT

connector

Attaching 10Base2 Cabling

1Attach the 10Base2 (Thinnet) cabling to

a BNC T-connector.

2Attach the T-connector to the 10Base2

connector on the bridge.

3If the unit is at the end of the Ethernet

cable, install a 50-ohm terminator on

the open end of the T-connector.

Caution Removing a terminator

to install extra cable or breaking an

existing cable to install a

T-connector will cause a disruption

in Ethernet traffic. Consult your

LAN administrator before you

change any Ethernet cable

connections.

Attaching 10Base5 Cabling

1Attach the transceiver connector to the

10Base5 (Thicknet) port.

2Slide the locking mechanism into place.

3Attach the other end of the transceiver

drop cabling to an external transceiver.

Attaching 10BaseT Cabling

1Plug the RJ-45 connector into the

10BaseT (twisted pair) port.

2Connect the other end of the twisted

pair cabling to the 10BaseT Ethernet

LAN connection.

The console port and power connections are on the side of the bridge. The console connection

is required for setting up initial configuration information. After configuration is complete, you

may remove this cable unless or until additional configuration is required via the serial port.

Installing the Console Port and Powering Up the Bridge

CONSOLE/RS-232C

12-18 VDC

CONSOLE/RS-232C

12-18 VDC

CONSOLE/RS-232C

12-18 VDC

Power connector

Console port

On/off button

Installing the Console Port Cable

Note: Use a straight-through cable with

9-pin male to 9-pin female connectors.

1Attach the console port cable to the

console port on the bridge.

2Attach the other end of the console cable

to the serial port on a terminal or PC

running a terminal emulation program.

3Set the terminal to 9600 baud, 8data

bits, No parity, 1stop bit, and Xon/Xoff

flow control.

Connecting Power to the Bridge

1Connect the small plug on the end of the

power pack cord into the bridge power

port.

2Plug the power pack into an electrical

outlet (120VAC/60 Hz or

90–264VAC/47–63 Hz, as appropriate).

3Push the on/off button to power on the

bridge.

When power is initially applied to the

bridge, all three indicators on the top

panel will flash in sequence to test the

functionality of the indicators.

Configure the Bridge

Assigning the SSID

Use the console port to set the Service Set

Identifier (SSID) that allows the wireless

bridge to communicate with other nodes.The

SSID is a unique, case-sensitive identifier that

is attached to selected packets sent out over

the radio network. Nodes associating to the

bridge must use the same SSID or their

association requests will be ignored.

Determine a unique SSID for the bridges and

make sure that all bridges in the network use

the same SSID.

1On the terminal connected to the console

port, select Configuration from the Main

menu.

2From the Configuration menu, select

Radio.

3From the Radio menu, select SSID.

4Enter a value for the SSID option. The

SSID can have up to 32 characters. All

devices in the same radio network must

use the same SSID. This value is case

sensitive.

Assigning IP Information

To enable remote access to the bridge using

Telnet, HTTP, or SNMP, you must assign an

IP address to the bridge.

Note: You can also assign other detailed

internet addressing options, such as gateway

address, subnet mask, or SNMP

configuration. Refer to the user guide on the

product CD for more information.

1On the terminal connected to the

console port, select Configuration from

the Main menu.

2From the Configuration menu, select

Ident.

3Use the INADDR option to assign an IP

address. Be sure to assign a unique IP

address to each bridge.

4Use the INMASK option to define the

internet subnet mask, if appropriate.

5Use the GATEWAY option to define the

gateway address, if appropriate.

Setting Root Configuration

Before performing detailed configuration, you should determine whether the bridge will be a

root bridge or a non-root bridge. Refer to the Aironet 340 Series Wireless Bridge User Guide

on the product CD for configuration examples. The default setting for a bridge is as a root unit.

Use the following steps to change this setting.

1Access the Configuration Radio menu.

—If you are using a terminal emulator, select Configuration > Radio from the Main

menu.

—If you are using a browser, click Radio under the Configuration heading.

2At the Configuration Radio menu, select on or off for the Enable root mode setting.

—If you are using a terminal emulator, enter a 2to select the Root setting. The prompt

will ask if you are sure you want to change the setting. Enter yto toggle the setting from

on to off, or from off to on.

—If you are using a browser, click Allow Config Changes and then click On to set the

bridge as a root unit, or click Off to set the bridge as a non-root unit.

Once the bridge is configured as a root or non-root unit, you can quit the terminal emulator or

browser, disconnect the console port cable, and install the bridge in its desired location before

proceeding with remote configuration.

Refer to the Aironet 340 Series Wireless Bridge User Guide on the product CD for details on

configuration.

Safety Information for the Cisco Aironet 340 Series Wireless Bridge

The FCC with its action in ET Docket 96-8 has adopted a safety standard for human exposure

to radio frequency (RF) electromagnetic energy emitted by FCC certified equipment. Cisco

Aironet 340 Series products meet the uncontrolled environmental limits found in OET-65 and

ANSI C95.1, 1991. Proper operation of this radio according to the instructions found in this

manual and the users guide on the Cisco Aironet 340 Series Wireless Bridge product CD will

result in user exposure that is substantially below the FCC recommended limits.

• Do not touch or move antenna(s) while the unit is transmitting or receiving.

• Do not hold any component containing the radio such that the antenna is very close or

touching any exposed parts of the body, especially the face or eyes, while transmitting.

• Do not operate a portable transmitter near unshielded blasting caps or in an explosive

environment unless it is a type especially qualified for such use.

• Do not operate the radio or attempt to transmit date unless the antenna is connected; if not,

the radio may be damaged.

• Antenna use:

—Always orient a di-pole antenna such that it is at least 6 inches (15 cm) away from your

body.

—High-gain, wall-mount or mast-mount antennas are designed to be professionally

installed and should be located at a minimum distance of 12 inches (30 cm) or more

from your body. Please contact your professional installer, VAR, or antenna

manufacturer for proper installation requirements.

—Warning for laptop users: In order to comply with the FCC RF exposure limits, it is

recommended when using a laptop with a PC client adapter, that the adapter’s

integrated antenna should not be positioned closer than 2 inches (5 cm) from your

body or nearby persons for extended periods of time while it is transmitting (or

operating). If the antenna is positioned less than 2 inches (5 cm) from the user, it is

recommended that the user limit exposure time.

Compliance Information for the Cisco Aironet 340 Series Wireless Bridge

Federal Communication Commission Declaration of Conformity Statement

This device complies with Part 15 rules. Operation is subject to the following two conditions:

1This device may not cause harmful interference, and

2This device must accept any interference received, including interference that may cause

undesired operation.

This equipment has been tested and found to comply with the limits of a Class B 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 residential

environment. This equipment generates, uses, and radiates radio frequency energy, and if not

installed and used in accordance with the instructions, may cause harmful interference.

However, there is no guarantee that interference will not occur. If this equipment does cause

interference to radio or television reception, which can be determined by turning the equipment

on and off, the user is encouraged to correct the interference by one of the following measures:

• Reorient or relocate the receiving antenna.

• Increase separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from which the receiver is

connected.

• Consult the dealer or an experienced radio/TV technician.

Warning The Part 15 radio device operates on a non-interference basis with the

other devices operating at this frequency. Any changes of modification to said product

not expressly approved by Cisco could void the user’s authority to operate this device.

Professional Installation

Per the recommendation of the FCC, the installation of high gain directional antennas to the

system, which are intended to operate solely as a point-to-point system and whose total power

exceeds the +36 dBm EIRP, require professional installation. It is the responsibility of the

installer and the end user that the high power systems are operated strictly as a point-to-point

system.

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