￿￿￿

 

￿￿

 

 

 

 

&T6

Perform a Remote Digital Loopback Test

 

 

 

 

&T7

Perform a Remote Digital Loopback Test and

 

 

Self-Test

 

 

 

 

&T8

Perform Local Analog Loopback Test and Self-Test

 

 

 

&V

&V0

Displays Active and Stored Profiles

 

 

 

 

&V1

Display Last Connection Statistics

 

 

 

&W_

&W0

Stores the active profile as Profile 0

 

 

 

 

&W1

Stores the active profile as Profile 1

 

 

 

%E_

%E0

Disable auto-retrain

 

 

 

 

%E1

Enable auto-retrain

 

 

 

+MS?

 

Displays the current Select Modulation settings

 

 

 

+MS=?

 

Displays a list of supported Select Modulation

 

 

options

 

 

 

+MS=a,b,c,e,f

 

Select modulation where: a=0, 1, 2, 3, 9, 10, 11,

 

 

12, 56, 64, 69; b=0-1; c=300-56000; d=300- 56000;

 

 

e=0-1; and f=0-1.A, b, c, d, e, f default=12, 1,

 

 

300, 56000, 0, 0. Parameter “a” specifies the

 

 

modulation protocol desired where: 0=V.21, 1=V.22,

 

 

2=V.22bis, 3=V.23, 9=V.32, 10=V.32bis, 11=V.34,

 

 

1 2 = V . 9 0 , K 5 6 F l e x , V . 3 4 . . . . . . , 5 6 = K 5 6 F l e x ,

 

 

V.90,V.34......, 64=Bell 103, and 69=Bell 212.

 

 

Parameter “b” specifies automode operations where:

 

 

0=automode disabled, 1= automode enabled with

 

 

V.8/V.32 Annex A. Parameter “c” specifies the

 

 

minimum connection data rate (300- 56000).

 

 

Parameter “d” specifies the maximum connection

 

 

rate (300-56000); Parameter “e” specifies the codec

 

 

type (0= Law, and 1=A-Law). Parameter “f”

 

 

specifies “robbed bit” signaling detection

 

 

(0=detection disabled 1=detection enabled)

 

 

 

MNP/V.42/V.42bis/V.44 ￿￿￿

￿￿￿

 

￿￿

 

 

 

%C_

%C0

Disable MNP Class 5 and V.42bis data compression

 

 

 

 

%C1

Enable MNP Class 5 data compression only

 

 

 

 

%C2

Enable V.42bis data compression only

 

 

 

 

%C3

Enable MNP Class 5 and V.42bis data compression

 

 

 

&Q_

&Q0

Direct data link only (same as \N1)

 

 

 

 

&Q5

V.42 data link with fallback options

 

 

 

 

&Q6

Normal data link only (same as \N0)

 

 

 

+DS44=0, 0

 

Disable V.44

 

 

 

+DS44=3, 0

 

Enable V.44

 

 

 

42￿￿ ￿￿￿

Page 58
Image 58
IBM 8172 manual MNP/V.42/V.42bis/V.44