Rosslare AC-225? AC-225IP? AC-225U Betriebsanweisung PDF herunterladen (Seite 39)

Communications

6.3 Modem Network Connection

Access control panels can be controlled from the computer's

modem. The modem is assigned from within the VeriTrax AS-

225 software.

Use a modem when the access control panel is too far from

the computer to use a serial connection and an alternative RS-

232/RS-485 network or TCP/IP network is unavailable.

The following diagram illustrates remote site modem

configuration with AC-225.

RS-232

MD-N33

Modem/RS-232

Converter

Telephone

Line

MD-N33

Modem/RS-232

Converter

RS-232

RS-485

ccess

Control

Panel

MD-14 RS-232/RS-485

Converter

Figure 22: Remote Site Modem Configuration

Note:

For more information on modem connections, refer to the

MD-N33 User Manual and the AS-225 software manual.

Hardware Requirements

• 2 Standard Telephone cables – RJ11 plugs in both sides

• Crossed 9 pin RS-232 cable (female jack on both sides)

• Rosslare MD-14 (RS-232 to RS-485 converter)

• 2 Rosslare MD-N33 (Modem to serial gateway)

• Rosslare AC-225 panel

AC-225 Hardware Installation and User Guide Page 38

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