Appendix A

Modem Register

The registers of the modem determine its operation characteristics. This chapter describes the modem registers, except for those reserved registers that can not be modified by the user.

S-Register Summary ___________________________________

Register

Range

Units

Default

Function

S0

0-255

Rings

0

Rings to Auto-Answer

S1

0-255

Rings

0

Rings Counter

S2

0-255

ASCII

43

Escape character

S3

0-127

ASCII

13

Carriage return character

S4

0-127

ASCII

10

Line Feed Character

S5

0-255

ASCII

8

Backspace character

S6

2-255

s

2

Wait Time for Dial Tone

S6

5-6

s

6

Wait Time for Dial Tone (for CTR21)

S7

1-255

s

50

Wait Time for Carrier

S8

0-255

s

2

Pause Time for Dial Delay Modifier

S9

1-255

0.1s

6

Carrier Detect Response Time

S10

1-255

0.1s

14

Carrier Loss Disconnect Time

S11

50-255

0.001s

95

DTMF Tone Duration

S12

0-255

0.02s

50

Escape Prompt Delay

S13

-

-

-

Reserved

S14

-

-

138(8Ah)

General Bit Mapped Options Status

S15

-

-

-

Reserved

S16

-

-

0

Test Mode Bit Mapped Options

 

 

 

 

Status(&T)

S17

-

-

192(C0n)

Redial options status (&I)

S17

-

-

64(40n)

Redial options status (&I) (for CTR21)

S18

0.255

s

0

Test Timer

S19

-

-

0

AutoSync Options

S20

0-255

-

0

AutoSync HDLC Address or BSC

 

 

 

 

Sync Character

S21

-

-

52(34h)

V.24/General Bit Mapped Options

 

 

 

 

Status

S22

-

-

117(75h)

Speaker/Results bit Mapped Options

 

 

 

 

Status

S23

-

-

62(3Dh)

General Bit Mapped Options Status

S24

0-255

s

0

Sleep Inactivity Timer

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Image 28
Advantech PCM-3601 user manual Appendix a, Modem Register, Register Summary