Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 266 Ver. 1.00 – 10/29/2008
4.8.4. $PADBLK PAD Block Size
Command Function This command allows the user to query/set
the PAD block size.
Command Functional Enfora Specific
Group
Command Format Query AT$PADBLK=?
Response PADBLK: (3-512)
OK
Write Format AT$PADBLK =<block size >
Response OK
Read Format AT$PADBLK?
Response $PADBLK: <block size>
Execution Format N/A
Response N/A
Parameter Values
<block size > PAD data will be created at the requested
PAD block size (number of bytes) unless an
enabled forward character or PAD timeout
forces the data to be sent out at a smaller
block size. Block size does NOT include
the IP or TCP/UDP header size.
Reference N/A
Standard Scope Optional
Enfora Implementation Scope Full
Notes The AT$PADBLK sets the buffer size for
accumulating the chars received on the
serial port by the modem. However, the
modem uses a fixed 500 char buffer for
sending data over-the-air, so when the
$PADBLK is set to a value from 501 to 512,
the data is sent over the air in 500 char
blocks.