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Paradyne 3800PLUS User Manual

Page 156

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COMSPHERE 3800Plus Modems

13-22

October 1998

3980-A2-GB30-40

Table 13-2

(5 of 15)

3800

Plus S-Registers

AT Command

Front Panel Branch

Description

S32

SyncDTE CRC
Determines whether the CRC of the DTE frame is transmitted from modem
to modem.

Register has the following values:

0 = Ignore
1 = CRC16

The factory setting is Ignore.

Configure\Edit\
V42/MNP/Buffer

S33

Buffer Size In Buffer Mode
Limits the amount of data buffered during Buffer Mode operation.

Register has the following values:

0 = Normal (the modem buffers data as usual in Buffer Mode)
1 = Minimized (a minimal amount of data is buffered in Buffer Mode)

Factory setting is 0 (Normal).

S35

Auto Redial
Auto Redial allows repeated automatic dial backup attempts by specifying
the range of Directory Locations that can be tried.

On leased lines with dial backup, Auto Redial (S35) works in conjunction
with the Bad Lines Auto Originate and Rate Auto Originate options. A
redial attempt is made in response to a bad phone number, a busy signal,
no answer, or no quiet answer. The modem must be in Originate mode.

Register has the following values:

0 = Directory Location 1
1 = Directory Locations 1–2
2 = Directory Locations 1–3
3 = Directory Locations 1–4

S

S

S

S

9 = Directory Locations 1–10

Factory setting is 0 (Directory Location 1).

Configure\Edit\
Leased Line

S36

Rate Auto Originate
Initiates a dial backup call, using the phone number or numbers
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.

Configure\Edit\
Leased Line