HP 5185-3843 Benutzerhandbuch
Introduction 1-9
Signal Range
The range over which wireless devices can communicate depends on the physical environ-
ment and the orientation of the HP Jetdirect print server. The range is typically 100 feet
at the highest data rate (11 Mbps), and 300 feet at the lowest data rate (1 Mbps).
ment and the orientation of the HP Jetdirect print server. The range is typically 100 feet
at the highest data rate (11 Mbps), and 300 feet at the lowest data rate (1 Mbps).
In general, while radio waves can bounce off obstacles to access print servers, it is best to
have clear line-of-sight access between devices without obstacles through which the signal
must pass. The range is typically 100 feet at the highest data rate (11 Mbps), and 300 feet
at the lowest data rate (1 Mbps).
have clear line-of-sight access between devices without obstacles through which the signal
must pass. The range is typically 100 feet at the highest data rate (11 Mbps), and 300 feet
at the lowest data rate (1 Mbps).
Note
Signal range and wireless transmission performance is reduced with increasing
distance between devices, and with obstacles that block or absorb signals.
distance between devices, and with obstacles that block or absorb signals.
Wired Equivalent Privacy (WEP) Keys
Wired equivalent privacy (WEP) encryption provides a level of data security for wireless
networks using encryption keys. To use WEP, wireless devices on a network must be
configured with a common WEP encryption key to be able to communicate with each other.
Because the WEP key is used by each wireless device, it is typically called a “shared key”.
networks using encryption keys. To use WEP, wireless devices on a network must be
configured with a common WEP encryption key to be able to communicate with each other.
Because the WEP key is used by each wireless device, it is typically called a “shared key”.
Note
WEP encryption levels are sometimes called “40-bit”, “64-bit”, “104-bit” or “128-
bit” encryption. “40-bit” and “64-bit” are identical, as are “104-bit” and “128-
bit”. When entering WEP keys, the user specifies 40 bits for 64-bit encryption,
or 104 bits for 128-bit encryption. An additional 24 “initialization vector” (IV)
bits are automatically added for a total of 64 bits and 128 bits, respectively. In
this guide, we will use “40/64-bit” and “104/128-bit” to specify these WEP
encryption levels.
bit” encryption. “40-bit” and “64-bit” are identical, as are “104-bit” and “128-
bit”. When entering WEP keys, the user specifies 40 bits for 64-bit encryption,
or 104 bits for 128-bit encryption. An additional 24 “initialization vector” (IV)
bits are automatically added for a total of 64 bits and 128 bits, respectively. In
this guide, we will use “40/64-bit” and “104/128-bit” to specify these WEP
encryption levels.