Pelco Dx8000 Bedienungsanleitung PDF herunterladen (Seite 20)

20 C623M-C (3/05)

RS-422/RS-485 COMMUNICATION PORT SETUP

The DX8000 Series DVR features four independently conﬁgurable RJ-45 communication ports. All ports are compatible with both RS-422 and RS-485

interface standards. Each port can communicate with and control a variety of PTZ devices. Examples include Pelco’s Spectra

™

III dome enclosures

and Esprit

positioning systems. The example conﬁguration illustrated in Figure 10 shows a DX8000 connected directly to up to four PTZ devices

and indirectly to up to 16 devices through Pelco’s CM9760-CDU-T code distribution unit. Figure 11 illustrates the connection of a variety of

RS-422/RS-485 compatible devices including the DX8000. This example highlights the P and D protocol data merging capability of Pelco’s

CM9760-DMR data manager.

1. Using unshielded twisted pair (UTP) cable, connect up to four RS-422/RS-485 compatible devices to the RJ-45 connector jacks provided on

the rear panel of the unit.

2. Set the communication parameters for both the DX8000 and the PTZ device. Communication parameters are baud rate, parity (odd or even),

number of parity bits, number of data bits, and number of stop bits.

Figure 10. RS-422/RS-485 Conﬁguration Example 1

IMPORTANT: To operate properly, devices must be compatible with either the RS-422 or RS-485 interface standards and must be able to

communicate using Pelco’s P, D, or Coaxitron

protocols.

NOTE: Pelco recommends using 22 or 24 gauge UTP cable. Category 5 UTP is recommended for cable runs greater than 400 feet.

NOTE: Refer to RS-422/RS-485 Communication Port Software Conﬁguration on page 42 for instructions on setting up your DVR’s commu-

nication parameters. Refer to the documentation included with your PTZ device for instructions on conﬁguring its communication settings.

IN1 IN2 IN3 IN4 IN5 IN6 IN7 IN8 IN9 IN10 IN11 IN12 IN13 IN14 IN15 IN16

OUT16OUT15OUT14OUT13OUT12OUT11OUT10OUT9OUT8OUT7OUT6OUT5OUT4OUT3OUT2OUT1

ALARM INPUTS RELAYOUTPUTS

1 2245678GND

910111213141516

1 2245678GND

910111213141516

CRT

SPECTRA

CM9760-CDU-T

PTZ PTZ

ROLLOVER CABLE

PTZ

PIN 1

PIN 8

PIN 1

PIN 8

PIN 1 = TX+

PIN 2 = TX-

PIN 7 = RX-

PIN 8 = RX+

PIN 1 = TX+

PIN 2 = TX-

PIN 7 = RX-

PIN 8 = RX+

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 95 96

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