Multitech MTPSR1-202ST Guía de usuario descargar pdf (Pagina 17)

Chapter 3 - Software Loading and Configuration

MTPSR1-202ST

Call Control Parameters

Persistent DTR Dialing_______________________________________

A high DTR (Data Terminal Ready) signal on the Command port indicates that your computer or

terminal is ready to communicate with your ProxyServer. DTR normally goes high when a communi-

cation program starts or is ready to dial. Persistent DTR dialing enables the ProxyServer to automati-

cally redial the number stored in memory location 0 whenever DTR is high and the serial port does

not have an active call. You may enable or disable this feature.

Calling Line Identification_____________________________________

Identifies whether the two endpoints of a connection are enabled or disabled. Since RING messages

only appear for ISDN data calls, the CLI feature does not define a means of conveying Calling Party

information to the terminal for ISDN voice calls. The CLI information is only included with the first

RING message for a given incoming call, and appears as follows:

RING

FM: 5552000 TO: 5551000

If the Calling Party Number information is not included in the incoming SETUP message, the RING

message appears as follows:

RING

TO: 5551000

If the Called Party Number information is not included in the incoming SETUP message, the RING

message will appear as follows:

RING

FM: 5552000

If neither the Called Party Number, nor the Calling Party Number is included in the incoming SETUP

message, the RING message will contain no additional information.

Auto Protocol Detection - Always Unchecked (Disabled)

Identifies that automatic protocol detection is enabled or disabled for an ISDN data call. The default

setting is 0, which disables the Auto-Protocol Detection function.

Auto Answer Data Calls ____ __________ Rings to Answer__________

Select Auto Answer if you want your ProxyServer to automatically answer all incoming data calls (this

option does not affect the analog port). The Rings to Answer number, in the range of 1 to 255, selects

the number of rings the ProxyServer waits before answering an incoming call. The default is one ring.

Data Control

Data Protocol _______________________________________________

The data protocol, also known as the B-channel protocol and the rate adaption protocol, is the “lan-

guage” that is spoken over each 64K bps channel between two ISDN devices. The devices on both

ends of the ISDN link must use identical data protocols.

MLPPP Protocol

The MLPPP (Multi-Link PPP) protocol provides rates up to 64K bps per channel. This protocol uses

both B channels at once, providing an aggregate data transmission speed of 128K bps.

Dialing Method _______________________________________________

Select either the “Enbloc” or the “Overlap” dialing method for use when establishing a data call. Your

ISDN service provider determines the dialing method. The en bloc method is used for most ISDN

dialing; however, you can select the overlap method if you are working with a private network.

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