Crestron C2N-NPA8 Spezifikationen PDF herunterladen (Seite 9)

Crestron C2N-NPA8 Network Poll Accelerator

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 • 5

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