MagicLAN(11Mbps)

1
High Speed Wireless Network
? ???? http//www.ohyunit.co.kr/ ?? ???? ??
???? 4biz ? ? ???? ?? ???? ?? ????.
??? ??? ??2? 173 ????? 819? ??? ??? ??? ??3?
695-208 ???? 302?TEL [phone]
/ FAX [phone]
2
? ?

• ?? LAN ????
• MagicLAN ?? ? ??
• MagicLAN ?? ??
• MagicLAN ?? ??
• ??LAN ????

3
??LAN ????
4
?? LAN ???
- Network ??? Hub?? Client?? ?? ?? ??(RF)? ? ??
?? ?? ????? ???? ??. - ?? LAN???? ????,
??, ??? ?? ???? ISM Band? ???? Spread Spectrum
??? ??LAN? ?? ??? ?? ??. - ISM(Industrial,
Scientific, Medical) Band . 902 - 928Mhz(26Mhz
Bandwidth) . 2.4 - 2.4835Ghz(83.5Mhz
Bandwidth) . 5.725 - 5.85Ghz(125Mhz Bandwidth)
5
Home Network ?? ??
Household Appliances
2nd PC, Laptop, Printer
Everyday Objects
TodaysIsolated Home PC
VoiceCommunicationsDevices, Pads
A/V, CEEquipments
6
?? LAN ??

• ??, ????, ??? ??
• - ??, ?? Network ??? ??? ??
• . ?? ? ??? Networking ?? ?? ?
• . ???, ???, ????, ???, ???? ?
• ?? ??? ??? ?? Cabling ?? ??
• . ???, ???, ?? ?
• - ??? ??? ??, Network? ??? ??
• - ??? Network ???? ??

7
???? Ethernet ?? ?? ??
? ??? ?? ??
8
???? Ethernet ?? ?? ??

• ? ??? ??? ?? ???? ???? ?
• ??? ? ???? ?? ??? ?? ??
• - ????? ?? ????
• - ??? ??? ?? ??? ?? ?? ??
• - Lay-out ??? ?? ?? loss? ?? ??
• ??? ?????? ??? ?, ?? ??? ?? ???? ???? ?? ?
  ????? ??? ??.

9
?? LAN ?? ??

• - ?? ??? IEEE802.11 / IEEE802.11b
• - ?? ???? Vendor?? ???? ??LAN ???? ???? ??
  ????, ??LAN ?? ???
• - ?? ??
• . 1994? 12? 1 / 2Mbps? ??LAN 1? Draft? ??
• . 1997? 7? 1 / 2Mbps? ??LAN Final ??? ??
• . 1999? 7? 11Mbps? ??LAN ??? ??
• ????? ?? ?? ?? 1999? 9?
• . WECA(Wireless Ethernet Compatibility
  Alliance)

10
?? LAN ??(??)
- ???, ????, ??? ??
? ? ?(MHz) ? ? ?
? ? ? ? ? ?
2,400 2,480, 5,725
5,825 17,705 17,715, 17,725
17,735 19,265 19,275, 19,285 19,295
F(G)1D, F(G)2D
10mW??(MHz?)
- 2,400 2,483.5MHz ? 5,725 5,825MHz????? ???
???? ???? ?? ???? ???? ?? LAN? ????
?? ??? ???? 20dB ?? ??? ???? 50 x 10-6
?? ??? ?? 1MHz? 10mW ?? ?? ??? ???
26MHz ??
11
MagicLAN ?? ? ??
12
MagicLAN ??

• ?? ?? ?? IEEE802.11b Standard ??
• - High Performance 11Mbps DSSS ??
• - ?? ??? ???? ???? 50 ??
• ?? ?? ???
• ?? ?? ??? ??
• ???? Know-how ??? ?? ?? ??
• ?? ?? ??(WEP)
• 64, 128bits ??
• - ??? ?? ?? ? ??? A/S
• ?? ?? Reference Site ???? ??? ??

13
ROAMING
14
? ? ?

• - Spread Spectrum Communication
• . ????? ??? ???? ?? ??
• - ESS ID(Extended Service Set)
• . ???? ?? Network Group ??
• . ??? or ??? 30??? ??
• WEP(Wired Equivalent Privacy)
• . Access Point? ??? ??? ??? 64, 128Bits Key?
  ???? ?? ?? ??

15
ESS ID
ESS ID AP1
ESS ID AP2
?? ESS ID ???
ESS ID? ?? ???
ESS ID? ?? ???
?? ESS ID ???
?? ESS ID ???
16
WEP(Wired Equivalent Privacy)
AP(Access Point)
AP? WEP Key? ??? ??? ??? ?? ??
64, 128bits ??
??? Key ???
??? Key ???
?? Key ???
17
????
????
11Mbps Mode
2Mbps Mode
200m
350m
Open Space
30m
70m
Office Environment
????? ?? ????? ?? ? ????.
18
MagicLAN ????
19
SWL - 2000N
??? ?? ??
- PCMCIA Type ?? LAN Card - ????? 2.4 -
2.48GHz - ?? Speed 1, 2, 5.5, 11Mbps - ??
Channel ? 13? - IEEE802.11b Standard ?? - Card
Antenna ??? - Driver Software ? Installation
S/W ?? - Access Protocol CSMA / CA - Bit Error
Rate Better Than 10-8 - Size 5.3 x 10.5 x
0.6cm - ?????
PCMCIA Card
20
SWL 2000P
- PCI Type ?? LAN Card - ????? 2.4 - 2.48GHz -
?? Speed 1, 2, 5.5, 11Mbps - ?? Channel ?
13? - IEEE802.11b Standard ?? - Omni-Directional
Antenna - Driver Software ? Installation S/W ?? -
Access Protocol CSMA / CA - Bit Error Rate
Better Than 10-8 - Size 9.1x 14.7 x 0.7cm -
?????
PCI Type (Half Size)
21
SWL - 3000AP
- Access Point - ????? 2.4 - 2.497GHz - ??
Speed 1, 2, 5.5, 11Mbps - ???? 10/100BaseT -
?? Channel ? 13? - IEEE802.11b Standard ?? -
DHCP, NAT Router ?? - WEP ??(64/128 Bit) - LED
?,?? Link ??, Power On/Off - Management S/W
Access Point
22
What is the Access Point
Router
HUB
Internet
Access Point
Desktop PC User
Notebook User
23
General Descriptions (1)

• Access Point Rear Panel

PCMCIA slot 10/100BaseT(RJ45) RS-232C
Serial DC IN
24
General Descriptions (2)

• Support IEEE 802.11b(CSMA/CA)
• Direct Sequence Spread Spectrum - Data
  Rate1, 2, 5.5, 11Mbps Auto-Fallback
• Support 10/100BaseT(RJ-45)
• 2.4GHz 13 Channel Frequency Supports NAT/DHCP
  Server features
• HTTP/Telnet/SNMP/Serial Configuration
• Building-to-Building function (PTP)

25
Management Features

• Local Configuration
• - Serial EIA-232
• Remote Configuration
• - HTTP, Telnet, SNMP
• - AP Manager Utility for Win95/98/2000/NT
• Firmware Upgrade
• - Upgrade via Serial/Ethernet Interface
• Automatic Searching AP
• - Easy to search the AP without knowing its
  IP address, using AP
• Manager Utility
• SNMP Compliance
• - MIB I. II and 802.11 MIB

26
Other Features (1)

• IP Auto-Configuration
• - Auto-configuration of the AP IP address, using
  DHCP client
• - Auto-configuration of the STA IP address,
• using DHCP server of the AP
• - DHCP relay
• IP Sharing
• - Support NA/PT (Network Address/Port
  Translation)
• - Many stations can access the network with just
  one IP address.
• AP administration
• - Only authorized administrator can view/modify
  the
• configuration of AP via HTTP, telnet,
  Hyperterminal, APmanager
• Windows AP Manager Utility
• - Easy to configure the AP
• - Support the traffic monitor

27
Other Features (2)

• Wireless Bridging
• - Support the Point-To-Point application
• - The Point-To-Multipoint application will
  be supported
• with just software upgrade.
• Max. Associations
• - Configuration of the maximum number of
  stations
• Access control via the MAC address
• - AP maintains the Pass/Deny MAC address
  table
• - The unauthorized station cannot associate
  with the AP
• WEP (Wired Equivalent Encryption)
• - Support 64bit, 128 bit WEP key
• Roaming
• - Support the seamless roaming

28
Configuration (Basic)
AP list of using the same network segment
TCP/IP Configuration
Wireless LAN properties
IP, MAC, Channel, firmware version
Put AP into default setting
AP/card status
Searching for AP
29
Configuration (Radio)
Operation mode selection, AP or PTP
Radio related parameters
MAC of pc card in the AP
The counterpart AP MAC for bridging
30
Configuration (Bridge)
When a client didnt use channel for this time,
AP removes this user from the table.
Port selection
11 types of protocol filter
Bridge table information such as port, lifetime
and MAC address.
31
Configuration (Server)
Telnet, NMP, NAT, DHCP servers can be enabled or
disabled by administrator.
Edit IP scope for DHCP, refer to Next page.
Default parameters.
NAT gateway and subnet mask
32
Configuration (DHCP IP pool)
Support only dynamic allocation
Start and End IP address
Enable/disable
IP scope count
33
Configuration (Security)
Refer to next page
Add or delete MAC
Dealing Mechanism for station not in the table
Move MAC
Restrict the number of concurrent users.
Save or Load table
Support only Open system
34
Configuration (WEP)
Enter String
Key Generation Based on string
Select the KEY
Manually key input through the below input box
? 64, 128bits ??
35
Configuration (Firmware Load)
AP firmware information
Select the location of AP firmware file
Choose the local firmware file
Download firmware In case of not selecting
firmware, file open dialog box will show up
36
Configuration (Statistics)
Select MIB or General Traffic
Graph type line / histogram
Set the high level of graph
Display area
37
Operation ( PTP )
HUB
Router
Internet
Wireless bridge
HUB
AP
WEP
Wireless bridge
DHCP server can be located
38
Operation ( PTM_AP )
HUB
Router
Internet
Gateway 166.79.32.1
Public IP for AP 166.79.32.22 Gateway
166.79.32.1
Access Point
NAT DHCP WEP
NAT gateway 172.16.0.1
DHCP client Users
Private domain 172.16.x.x DNS public domain IP
Extended private domain
39
MagicLAN ????
40
Infrastructure
S/W Hub
Server
Access Point
Access Point
Access Point
Notebook ???
Notebook ???
PC ???
Notebook ???
PC ???
PC ???
3F(???)
1F
2F
41
Ad-hoc
Server
Desktop ???
Notebook ???
Notebook ???
42
??LAN ????
43
? ? ?
? ? ???, ???? AP ?? ?? ??PC? ?? ??
????? ????? ?? ??? ?????? ???? ???? ????
??? ?? ? ? ? ?? ?? ?? (?? ???? ??,
???? Up-Date??) ???? Network ?? ???? ???
???? ??
Site ???? (?????) ???? (????,??,???)
???? (??) ??? (??) ????? (??) ?? ???
44
? ?
? ? ? ??? ??? ??? AP?? ??? ??, ??? ??
??PC? ??? ?? ?? ? ?? ??? ?? ???? ?? ??
??? ??? ?? ? ? ?? ?? ?? ???? ????
Paperwork ??, ?? ?? ?? ?? ??? ?? ??? ??
?? ?? ??? ?? Site ???? ?? ???(??)
??????(??)
???? AP 80EA Card 150EA
45
? ? ?
? ? ??? ??Network ?? (???,???,
???,????,??? ? ?? ???) ?? ??PC? Networking
?? ? ? ??? ? ??? ?? ??? ?? PC???
???? ???? ??? ??? ? ???? ???,?? ????
????? ?? ?????? ???? ??? ???? Site ???
????? ????? ????? ?????
????? ?
????(???) AP 180EA - ?? 13, ??
167 Card 500EA
46
? ? ?
? ? ?? ? ??? AP?? ? POS? ??? ?? ?
? ??? ?? ?? ?? ? ???? Layout ?? ????
?? ?? Site ??? ??(???) ??? ???(??,???)
?? ???(?? ??? ??) ??? ???
???? AP 50EA Card 300EA
47
???????
? ? ??? ?? ? AP ?? ??PC ? ?????? ??
Networking ?? ? ? ???? ??? ???? ??
??? ??/?? ??? ?? ??? ???? ?? ?? ???? ?? ?
Update Site ?? 94? A/S ??
???? AP 170EA Card 150EA
H/T Card 220EA
48
??????
? ? ?? FC ?? ? AP ?? ??? PC(D-top,
N-PC)? ?? Networking ?? ? ? ????
??? ???? ?? Lay-out ??, ??? ??? ?? ????? ??
? ?? ?? ??? ???? ?? ??? ?? ??
Site ???? 7? ?? 108? ?? 1,500? FC
??
49
?????
? ? ?? ?? ? ?? ?? ? AP ?? ???
PC(D-top, N-PC)? ?? Networking ?? ? ?
???? ??? ???? ?? Lay-out ??, ??? ??? ??
????? ?? ? ?? ?? ??? ???? ?? ??? ?? ??
Site ?? N-PC 450??, AP 25?? ?? 94? ??
? ?? ??
50
???? ??(??) Wireless Lan Network ??
?????
????
500m
1Km
500m
??
600m
? ?
??????
????
????
51
K.C.Tech? ? ??? Wireless Lan Network ??
500m
?? ADCS?
??
100m
?? ??????
700m
K.C.Tech ? 2 ??
K.C.Tech ? 1 ??
52
?? ????? Wireless Lan Network ??
??? ?? 1. ??? ??? 1 2. ???? ??? 2 3. 20m
??? 3 4. SWL-3100AP 3
200m
???
700m
???
?? ??