Motorola UbiSurf SM56 At Commands Reference Manual page 19

Table 4: AT+ (Plus) Commands
Command Command Option Option
Command Command Option Option
1
d options
e options
0
1
f options:
0
+ETBM
+ETBM=p,q
r
p options:
0
1
2
q options:
0
1
2
r options:
1-255,
default=0
+FCLASS
+FCLASS=
0
+FCLASS=
1
+FCLASS=
8
+FLO
+FLO=0
Motorola Confidential Proprietary
Description Description
Description Description
Computer transmits a Flag on an under-run within a
frame, and notifies the modem of any under-run or
over-run
Specifies half-duplex control. Not available.
Specifies the Cyclic Response Code (CRC) type
Disabled. No CRC generation or checking.
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.
Specifies Non-Return to Zero (NRZI) options
NRZI encoding and decoding are disabled.
Disconnect Buffer Delay Control
Specifies the disconnect buffer delay with pending
transmit data
Discard buffered data and disconnect
Attempt to transmit until all data is delivered, then
disconnect. Ignore timer.
Attempt to transmit until all data is delivered or
timer expires.
Specifies the disconnect buffer delay with pending
receive data
Discard buffered data and disconnect
Attempt to transmit until all data is delivered, then
disconnect. Ignore timer.
Attempt to transmit until all data is delivered or
timer expires.
Disconnect buffer delay timer, in 1-second incre-
ments
Fax/Data Mode
Data Mode
Fax Class 1
Voice Mode (Not available in Data/Fax and Data/
Fax/TAM modems.)
Fax Flow Control
None
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