3Com DSm415 - Manual (Page 33)

DSm415 Product Information Guide
March 2004 33
Wireless LAN Interface (Option) IEEE802.11b
With this interface the DSm415 can be connected to wireless network environment The
optional interface is installed and enables users to communicate to PCs that have wireless
interface cards.
Note: Ethernet (100Base-TX/10Base-T) and Wireless LAN cannot be used at the same
time. It must be manually selected to use either of them.
Data transmission speed Auto (11Mbps, 5.5Mbps, 2M bps, 1Mbps)
Manually selectable to 11Mbps/ 5.5Mbps/ 2Mbps/ 1Mbps fixed
Protocol TCP/IP
Frequency From 2,400 MHz to 2,497MHz
Channel US model … 1-11 ch.
EU model … 1-13 ch
Type of connections (*1) Ad hoc mode, Infrastructure mode
Distance between devices 11 Mbps: 140 m, 5.5 Mbps: 200 m, 2 Mbps: 270 m,
1 Mbps: 400 m
The above is the max distance when using in the open air, and these
depend on office environment.
WEP (Encryption) Setting (*2) 64 bit (10 digits) /128 bit (26 digits)
(*1) Type of connections

Ad hoc Mode

Infrastructure Mode
Please refer to the following for the details.
(*2) WEP: Wired Equivalent Privacy
WEP is an encryption method that protects wireless data communication. Both devices
that send and receive data through wireless communication need to have the same WEP
Key when communicating to the other device.
Type of connections
(1) Ad hoc mode communicates between each wireless client
NOTE: Adhoc mode connection does NOT support the communication with Novell
NetWare Server because NetWare does not support wireless LAN interface.
NOTE: 2 types of Ad hoc mode are selectable, one is
“Ad hoc mode” and the other is
“802.11b ad hoc mode”. The former mode uses only channel setting and the latter uses
channel setting and SSID (SSID stands for Service Set ID, and only the devices, which
has same SSID can communicate each other through wireless network.