MRV Communications LX-4000 Series Informacje Techniczne Pobierz pdf (Strona 165)

100

101

Setting Up the Notification Feature

Creating Service Profiles 5-9

External Modem Settings

For an internal modem, the default configuration is usually

sufficient to support a TAP Service Profile. However, the

following guidelines are recommended for external modems:

 All External Modems:

 US Robotics Sportster and Faxmodem modems:

• The port needs CTS flow control.

• The port speed should be set to a speed that the

modem supports.

• The initstring should be

^MAT S0=1 V1 X4 &H1 &B1^M

where:

S0=1

Autoanswer on one ring.

Displays result codes as words. The modem code

looks for word responses, not numbered responses.

Extended result codes. The modem code looks for

word responses that the extended result codes

provide.

&B1

Makes the modem use the speed of the LX port. The

TAP sites can have all different speed modems. This

setting ensures that at least your port and the

attached modem are always in sync.

S0=1 Autoanswer on one ring.

V1 Displays result codes as words.

X4 Extended result codes.

&H1 Hardware Flow Control

&B1 Makes the modem use the speed of the LX port.

Dipswitches 3,7, and 8 need to be in the “down”

position per the US Robotics website:

http://www.usr.com/support/docs-

template.asp?prod=s-modem

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