Cabletron Systems CSMIM-T1 User Manual

Page 174

Advertising
background image

Chapter 7: AT Commands and Registers

7-48

CSMIM-T1 Hardware Installation Guide

S21=

n

Bit Mapped Register (Table 7-10)

Table 7-10

Saved Command Settings with S21

S22=

n

Bit Mapped Register (Table 7-11)

Table 7-11

Saved Command Settings with S22

Bit
Position

Function

Decimal Value

3,4

DTR

0

Ignores DTR (&D0)

1

On-to-Off DTR transition:

modem

enters com-

mand state (&D1)

2

On-to-Off DTR transition:

modem goes on

hook (&D2)

3

On-to-Off DTR transition:

modem resets

(&D3)

5

DCD

0

DCD always On

1

DCD On indicates data carrier is present or
DCD On except momentarily at disconnect

6

not used

7

long space

0

off (Y0)

disconnect

1

on (Y1)

Bit
Position

Function

Decimal Value

4,5,6

result code

0

same as X0

options

4

same as X1

5

same as X2

6

same as X3

7

same as X4

7

make/break

0

39/61

ratio

1

33/67

Advertising