COMSPHERE 3800Plus Modems

Table 13-2

(3 of 13)

3800Plus S-Registers

AT Command

Description

Front Panel Branch

S14

S18

Asymmetric Rate Mode

Configure\Edit\

Register determines whether VF rates for transmitting and receiving are

Dial Line

identical when using V.34 modulation. Enabling the function permits the

 

two rates to be different.

 

Register has the following values:

 

0=Enable

 

1=Disable

 

Factory setting is Enable.

 

Test Timeout

Configure\Edit\

Register sets the duration (in seconds) for the modem tests. This

Tests

automatically cancels any test in progress after the time of this register

 

expires. Any test can be manually canceled by issuing the escape

 

sequence (+++) followed by the &T0 command.

 

Enter a value from 0±255 seconds. (A value of 0 disables this register.)

 

Factory setting is Disable (0).

 

 

 

S26

RTS-to-CTS Delay

Configure\Edit\

 

Register sets the length of time (in 10-millisecond increments) the modem

DTE Interface

 

waits after receiving RTS before issuing CTS to the DTE.

 

 

Enter a value from 0±255.

 

 

Factory setting is 0 milliseconds.

 

 

 

 

S36

Rate Auto Originate

Configure\Edit\

 

Initiates a dial backup call, using the phone number or numbers

Leased Line

 

determined by S-register S37 when the leased-line rate of the modem falls

 

 

back to or below a certain speed.

 

 

Register has the following values:

 

 

0=Disable

 

 

1=On fallback to 4,800

 

 

2=On fallback to 7,200

 

 

3=On fallback to 9,600

 

 

4=On fallback to 12,000

 

 

5=On fallback to 14,400

 

 

6=On fallback to 16,800

 

 

NOTE: Rate Auto-Originate is valid only when V.32bis Autorate is

 

 

enabled (S76=0) and when running V.32bis modulation.

 

 

 

 

13-16

November 1996

3980-A2-GB30-20

Page 139
Image 139
Paradyne 3800PLUS manual Asymmetric Rate Mode, Test Timeout, RTS-to-CTS Delay, Rate Auto Originate

3800PLUS specifications

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