D-Link DWL-1800 User Manual

i D-Link AirPremier DWL-1800 Wireless Outdoor Bridge User’s Manual First Edition (July 2002) Printed in Taiwan RECYCLABLE

5 Figure 2: General Installation Scheme - Pole Mounting NOTE: Use a straight Ethernet cable to connect the indoor unit to a hub, or use a cross

6 2.3.1 Collocating DWL-1800 Outdoor Units Up to three DWL-1800B units with integrated antennas (the exact number depends on the number of non-o

7 Path Loss Path loss is determined mainly by several factors: ?? Distance between sites – Path loss is lower and system performance better when

8 2.3.5 Antenna Polarization Antenna polarization must be the same at both ends of the link. In most applications, the preferred orientation is

9 2.3.9 Compliance with Radio Regulations Regulations regarding maximum antenna gains vary from country to country. It is the responsibility of

10 Figure 3: Holes/Grooves/Screw Holes

11Figure 4: 3” Pole Mounting Installation Using the Supplied Brackets NOTE: When inserting the open-ended screws, make sure to insert them with

123. Route a straight, uncrimped Ethernet cable (8-wire, 24 AWG) through both the top nut and the waterproof seal. NOTE: The 8-wire cable shou

13 Figure 6: Wall Mounting the Indoor Unit NOTE: The color codes of the power cable are: brown phase ~ blue neutral 0 yellow/g

14 5. Verify that the yellow POWER LED located on the top panel is lit, indicating that the unit is supplying power to the radio port. Figure 8

iiTABLE OF CONTENTS 1. Introduction... 1 1.1 Using this Guid

152. Synchronize the units by aligning the antennas at the central and remote sites until maximum signal quality is obtained. Check the signal q

162.6 Verifying Correct Operation 2.6.1 Verifying Correct Operation of the Indoor Unit To verify proper operation, check the LED indicators loca

17 2.6.2 Verifying Correct Operation of the Outdoor Unit To verify proper operation, check the LED indicators located on the bottom panel of the

18 3. THE D-LINK AIRPREMIER DWL-1800 CONFIGURATION UTILITY The D-Link Air Premier DWL-1800 Configuration Utility is an SNMP-based utility that p

19 3.1 Installing and Running the Configuration Utility The Configuration Utility is provided for installation on a 3.5” diskette. 1. Insert the

20 ?? Trap quick view - When set to this mode, the PC (if set as described in Section 3.2.1.3.3) switches automatically to the Trap Monitor tab

21 Figure 9: D-Link AirPremier DWL-1800 Configuration Utility Main Window (Station Control Tab) 3.2.1.1 The Control Window 3.2.1.1.1 Selecting

22 3.2.1.1.2 Setting the SNMP Community String Type the known Read/Write Community string in the Community field (the default string is public f

23 NOTE: In order to see the unit after assigning the IP address, the PC with the Configuration utility should be on the same IP subnet as the as

24 3.2.1.3 Configuration Utility Tabs 3.2.1.3.1 Station Status Tab The Station Status tab displays general information regarding the unit'

iii 3.2 Configuration Utility Modes...19 3.2.1 Unit Configuration Mode ...

25 Figure 12: IP Parameters Tab ?? IP Address - The IP address of the selected unit. ?? Subnet mask - The Subnet mask of the selected unit. ?? D

26 3.2.1.3.3 SNMP Parameters Tab The SNMP parameters tab allows you to define or edit the SNMP community strings and the SNMP-related parameters

27 3.2.1.3.4 Counters Tab Figure 14: Counters Tab (BU/DWL-1800B Units) Figure 15: Counters Tab (RB/DWL-1800R Units) Using the Counters windows

28 Additional performance counters displayed in this window include the following. To obtain a graph that displays the counter values, select a c

29 Tx Fail - The number of frames which the station failed to send. ?? Resetting Counters You can reset the counters displayed in the Counters t

30 Figure 17: WLAN Parameters Tab (RB/DWL-1800R) ?? Regulatory Domain - Displays the regulatory authorities in the relevant country of use (e.g.

31 ?? Range - The operative range of your WLAN or Wireless Link in the drop down list. This parameter affects the acknowledge delay time which ne

32 France 10 13 11 14 4 Canada 1 11 6 24 24 Table 3: Regulatory Domains Specifications Channel Frequency 1 2412 MHz 2 2417 MHz 3

33 3.2.1.3.6 Station Control Tab Figure 18: The Station Control Tab ?? Station Control - Click the Default button for all parameters to revert

34 3.2.1.3.7 Security Tab Figure 19: Security Tab This tab displays information regarding the unit’s security configuration. Wired Equivalent P

iv TABLE OF FIGURES Figure 1: DWL-1800 Point-to-Multipoint Application ...2 Figure 2: General Installation Scheme -

35 If you select the Shared Key algorithm, set the following parameters: ?? Default Key ID – Sets the key for encryption. ?? WEP Key – Defines th

36 Threshold value, an RTS is not sent and the data packet is transmitted directly to the WLAN. ?? Short Retry Limit - The maximum number of tran

37 3.2.1.3.9 Trap Monitor Tab Figure 21: Trap Monitor Tab When an event occurs, a trap is sent to the defined host address (the setting is made

38 Figure 22: Firmware Upgrade Mode dialog box NOTE: The Configuration utility does not resolve the topology of the cell. Therefore, firmware up

39 indicating the progress of the operation. If both DWL-1800B and DWL-1800R devices are selected, the program will upgrade DWL-1800R units fi

40 3.2.2.1 Advanced TFTP Settings Figure 24: Advanced TFTP Setup dialog box The Advanced TFTP Setup window enables you to tune the TFTP ses

41 3.2.3 Multiple Unit Configuration Mode This feature allows configuration parameters to be downloaded to multiple units simultaneously. When y

42 3.3 Resetting the SNMP Community Strings The SNMP Read/Write Community strings are an SNMP security feature to restrict management access to a

43 4. SYSTEM TROUBLESHOOTING The following troubleshooting guide provides answers to some of the more common problems that may occur when installin

44 Problem and Indication Possible Cause Corrective Action Failure to establish wireless link (“D” models/external antennas) 1. Power supply to uni

v TABLE OF TABLES Table 1: Indoor Unit LEDs ...16 Table 2: Outdoor Unit LEDs..

5. TECHNICAL SPECIFICATIONS 5.1 Supported Standards ?? Compliant with ETS 300 328 and ETS 300 826 (CE marked). ?? IEEE 802.11b HR standard for Wireles

46 France 10-13 Output Power (at the antenna port) FCC -4, -2, 4, 6, 12, 14, 20, 24 ETSI -4, -2, 4, 6, 12, 14

47 Outdoor units: Shielded RJ-45 with special water proof sealed cap Baseband (indoor-to-outdoor units) Indoor units: Shielded RJ-45 Ethernet Indoor

48 5.9 Mechanical Dimensions Outdoor Unit 30 x 30 x 7.2 cm 12 x 4.7 x 2 in Indoor Unit 15.4 x 8.4 x 5.6 cm 6.1 x 3.3 x 2.2 in 5.10 Environmental O

49 APPENDIX A. DWL-1800 FAQ General Can the DWL-1800R indoor unit be placed outdoors? It is not recommended. The DWL-1800 indoor units are specified

50 15 miles/24Km (FCC) or 10 KM (ETSI) can be achieved using the UNI-24 antenna kit for a point-to-point link. Consult the antenna and accessory gui

51 Collocation How many DWL-1800B or DWL-1800R units can be collocated on the same building or tower? You can collocate up to 3 DWL-1800B or DWL-180

52 Performance What is the throughput of the D-Link Air Premier DWL-1800? The DWL-1800B/DWL-1800R bridge link typical performance is 4.2Mbps using T

53 Firmware Can the DWL-1800B/ DWL-1800R firmware be upgraded? Yes, the firmware in the DWL-1800B/DWL-1800R is stored in flash and is upgraded using

54 Configuration Can the regulatory domain (country) of a DWL-1800 unit be changed? No. The regulatory domain is factory set. How can the DWL-1800 b

1. INTRODUCTION 1.1 Using this Guide This User's Manual provides instructions for planning and setting up a Wireless link based on the D-Link Air

55 Management What management options are available for the DWL-1800? The DWL-1800/DWL-1800D comes with a graphical Configuration Utility that oper

56 APPENDIX B. PREPARING THE INDOOR TO OUTDOOR CABLE The Indoor-to-Outdoor cable provides pin-to-pin connection on both sides. It is supplied open-e

57 APPENDIX C. RADIO SIGNAL PROPAGATION Introduction This section explains and simplifies many of the terms relating to antennas and RF (Radio Fre

58 RF Power Level RF power level at either the transmitter output or the receiver input is expressed in Watts. It can also be expressed in dBm. The

59 Free Space Loss Attenuation of the electromagnetic wave while propagating through space. This attenuation is calculated using the following formu

60 Antenna Characteristics Isotropic Antenna A hypothetical antenna having equal radiation intensity in all directions. Used as a zero dB gain refer

61 System Characteristics Receiver Sensitivity The minimum RF signal power level required at the input of a receiver for certain performance (e.g. B

62 Link Budget Calculation EIRP = Pout - Ct + Gt = 16 dBm Pl = 32.4 + 20xLog(FMHz) + 20xLog(RKm) ??110 dB Si = EIRP - Pl + Gr - Cr = -82 dBm In conc

63 ?? Interference Interference may be caused by another system on the same frequency range, external noise, or some other co-located system. The Li

64 Figure 32: Fresnel Zone Clear of Obstacles When at least 80% of the first Fresnel Zone is clear of obstacles, propagation loss is equivalent to

2 Data is transmitted at rates of up to 11 Mbps, providing network users with full 10BaseT Ethernet speeds. 1.2.2 D-Link AirPremier DWL-1800 Fun

65 FCC Warning This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rule

66 AVERTISSEMENT AUX UTILISATEURS La décision N° 01-480 en date du 23 mai 2001 prise par l’Autorité de Régulation des Télécommunications (ART) autor

67 LIMITED WARRANTY D-Link provides this limited warranty for its product only to the person or entity who originally purchased the product from D-L

68 What You Must Do For Warranty Service: Registration Card. The Registration Card provided at the back of this manual must be completed and return

69 Some states do not allow exclusion or limitation of incidental or consequential damages, or limitations on how long an implied warranty lasts, so

70 Offices AUSTRALIA D-LINK AUSTRALIA Unit 16, 390 Eastern Valley Way, Roseville, NSW 2069, Australia TEL: 61-2-9417-7100 FAX: 61-2-9417-10

71 Registration Card Print, type or use block letters. Your name: Mr./Ms __________________________________________________________________________

72

3 1.2.2.2 DWL-1800R (RB) Wireless Bridge The DWL-1800 Wireless Bridge connects a remote Ethernet network to a central network server or Internet

4 2. INSTALLATION 2.1 Packing List Verify that all of the following items are included with the unit: ?? Indoor unit. ?? Outdoor unit (includes i