Motorola SM56 User Manual download pdf (Page 19)

1 Computer transmits a Flag on an under-run within a

frame, and notifies the modem of any under-run or

over-run

d options Specifies half-duplex control. Not available.

e options Specifies the Cyclic Response Code (CRC) type

Disabled. No CRC generation or checking.

1 In Framed sub-mode, the computer generates 16-bit

CRC in the Transmit direction and the modem gen-

erates 16-bit CRC on the Receive direction.

f options: Specifies Non-Return to Zero (NRZI) options

NRZI encoding and decoding are disabled.

+ETBM Disconnect Buffer Delay Control

+ETBM=p,q

p options: Specifies the disconnect buffer delay with pending

transmit data

0 Discard buffered data and disconnect

Attempt to transmit until all data is delivered, then

disconnect. Ignore timer.

2 Attempt to transmit until all data is delivered or

timer expires.

q options: Specifies the disconnect buffer delay with pending

receive data

0 Discard buffered data and disconnect

Attempt to transmit until all data is delivered, then

disconnect. Ignore timer.

2 Attempt to transmit until all data is delivered or

timer expires.

r options:

1-255,

default=0

Disconnect buffer delay timer, in 1-second incre-

ments

+FCLASS Fax/Data Mode

+FCLASS=

Data Mode

+FCLASS=

Fax Class 1

+FCLASS=

Voice Mode (Not available in Data/Fax and Data/

Fax/TAM modems.)

+FLO Fax Flow Control

+FLO=0

None

Table 4: AT+ (Plus) Commands

Command Option Description

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 41 42

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Motorola SM56 User Manual Page 19

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