Crestron C2N-NPA8, Руководство по эксплуатации

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Crestron C2N-NPA8 Network Poll Accelerator
COMPUTER
COMPUTER
This DB9 (female) connector is used for console purposes. The C2N-NPA8’s
Ethernet configuration settings and diagnostics can be accessed through this port. The
port is modem compatible. The modem and/or PC program cable are not included.
Supports baud rate of up to 115 Kb. Use with a standard DB9 straight through cable
(Crestron cable number CNSP-587 or equivalent). Refer to the following table for the
cable pinouts. For information on establishing serial communications with the
C2N-NPA8, refer to “Establish a Serial Connection” on page 14.
Standard DB9 Pin Assignments
PIN # ABBREVIATION DESCRIPTION
1 N/A Not Connected
2 RD Receive Data
3 TD Transmit Data
4 N/A Not Connected
5 SG Signal Ground
6 N/A Not Connected
7 RTS Request To Send
8 CTS Clear To Send
9 N/A Not Connected
5 4 3 2 1
9 8 7 6
Female DB9 Connector
6 7 8 9
1 2 3 4 5
Male DB9 Connector
NOTE: DTR, pin 4 and DSR, pin 6 are not normally used.
COM
This DB9 (female) bi-directional serial port is used for high-speed serial
communication between a control system and the C2N-NPA8. Use with a DB9
straight through cable (Crestron cable number CNSP-587 or equivalent).
NOTE: Crestron has successfully tested 50-foot serial cable runs without loss of
signal quality. Cable runs in excess of 50 feet may be subject to signal degradation
or errors as cable length increases.
NOTE: Only one C2N-NPA8 can be connected to a control system.
Indicators
The C2N-NPA8 indicators are described in the following paragraphs.
NET A - H
The eight NET (A-H) activity LEDs illuminate when a device on the respective
segment transmits and/or receives data.
PWR (Power)
This LED illuminates when a segment is connected to and receives 24 VDC power
from an external power pack or a Crestron control system.
LNK
This LED illuminates when there is a connection to the LAN port.
Operations Guide – DOC. 6087A Network Poll Accelerator: C2N-NPA8
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