Crestron C2N-NPA8, Руководство по эксплуатации

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Crestron C2N-NPA8 Network Poll Accelerator
Network Poll Accelerator:
C2N-NPA8
Introduction
Features and Functions
The Crestron
®
Network Poll Accelerator (C2N-NPA8) is a device that maintains
high data throughput and low data latency via Cresnet
®
when a large number of
Cresnet devices communicate with a single 2-Series control system. When connected
to select Crestron 2-Series control systems via a high speed serial or Ethernet
connection, the C2N-NPA8 can provide reliable, high-speed communications
between the control system and up to 252 Cresnet devices.
Functional Summary
•
Reliable, high-speed communications between select Crestron 2-Series
control systems and up to 252 Cresnet devices
•
Eight segments with four mini-Cresnet connectors per segment
•
Independently operated segments provide fault tolerance should an
individual segment fail
•
Communicates with select 2-Series control systems via high-speed
serial or 10/100 Base-T Ethernet (refer to “Compatible Control
Systems” on page 6 for a list of compatible control systems)
•
Console function to configure device settings and monitor diagnostics
via DB-9 RS-232 connector
•
Each Cresnet ID can be viewed with the Network Analyzer
Placing a large amount of Cresnet devices on a control system can slow down
polling time as each Cresnet device is polled sequentially by the control system. By
breaking down the Cresnet system into segments, multiple segments can be polled
simultaneously by the control system, hence improving response time.
Similarly, high-traffic devices such as touchpanels, camera controls, and other
devices require more network bandwidth as they transmit and receive larger amounts
of data. By placing these devices on their own segments, other segments can be used
for low-traffic devices such as wall keypads allowing Cresnet traffic to flow more
efficiently.
Operations Guide – DOC. 6087A Network Poll Accelerator: C2N-NPA8
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