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System overview
1-4 System Overview Guide
Document Feeding and Finishing Architecture (DFA)
The Document Feeding and Finishing Architecture (DFA) on the
NPS/IPS supports all third-party finishing devices currently
validated for the LCDS (J11) printers (DFA is not supported on
the 4850). The bypass transport option is required for in-line
finishing devices .
SNMP support
The system provides functionality to export the state of a printer
using the Simple Network Management Protocol (SNMP), thus
allowing printer management software to monitor and report on
the printer state.
SNMP is a standardized communications protocol for managing
arbitrary networked devices from different vendors, such as
workstations, servers, printers, or routers. The information to be
communicated is presented as variable name/value pairs,
defined in a set of standardized management information bases
(MIBs). The MIBs define the legal variables, their types, and
possibly a fixed set of values.
SNMP was designed to facilitate managing a heterogeneous set
of networked devices that communicate using TCP/IP.
Specifically, it addressed management of the network itself and
the network traffic between those devices. Over time, MIBs were
defined to expand the types of devices that could be managed
using SNMP. For example, MIBs were defined specific to
managing a workstation or a printer.
The system currently supports variables defined in the following
MIBs:
• MIB-II (RFC 1156)
This MIB defines the basic set of variables any device
running TCP/IP should make accessible. It includes, for a
particular device, variables for information such as a system
description, information about each of the network interfaces
present on the device, and information about all the IP
datagrams sent and received by the device.