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Glossary
This glossary contains key technical words of 
interest. 
A
Access Mode
Specifies the method by which user access is 
granted to the system. 
Access Profiles
Allows network managers to define profiles and rules 
for accessing the device. Access to management 
functions can be limited to user groups, which are 
defined by the following criteria:
• Ingress interfaces
• Source IP address and/or Source IP subnets
ARP
Address Resolution Protocol
. A TCP/IP protocol that 
converts IP addresses into physical addresses.
ASIC
Application Specific Integrated Circuit
. A custom 
chip designed for a specific application.
Asset Tag
Specifies the user-defined device reference.
Authentication Profiles
Sets of rules which that enables login to and 
authentication of users and applications.
Auto-negotiation
Allows 10/100 Mpbs or 10/100/1000 Mbps Ethernet 
ports to establish for the following features:
• Duplex/ Half Duplex Mode
• Flow Control
•Speed
B
Back Pressure
A mechanism used with Half Duplex mode that 
enables a port not to receive a message.
Backplane
The main BUS that carries information in the 
device.
Bandwidth
Bandwidth specifies the amount of data that can be 
transmitted in a fixed amount of time. For digital 
devices, bandwidth is defined in Bits per Second 
(bps) or Bytes per Second.
Bandwidth Assignments
The amount of bandwidth assigned to a specific 
application, user, and/or interface.
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