Specifications

UC864-E/G/WD/WDU AT Commands Reference Guide
80304ST10041a Rev. 7 - 2010-10-14
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 170 of 318
+FPR - Select Serial Port Rate
Note: test command result is without command echo
Reference ITU T.31 and TIA/EIA-578-A specifications
3.5.6.3.3. Double Escape Character Replacement Control - +FDD
+FDD - Double Escape Character Replacement Control
AT+FDD=<mode> Set command concerns the use of the <DLE><SUB> pair to encode
consecutive escape characters (<10h><10h>) in user data.
Parameter:
<mode>
0 - currently the only available value. The DCE decode of <DLE><SUB> is
either <DLE><DLE> or discard. The DCE encode of <10h><10h> is
<DLE><DLE><DLE><DLE>
1 - The DCE decode of <DLE><SUB> is either <DLE><DLE>. The DCE
encode of <10h><10h> is <DLE><SUB><DLE><SUB>
AT+FDD? Read command returns the current value of parameter <mode>
AT+FDD=? Test command returns all supported values of parameter <mode>.
Note: test command result is without command echo
Reference ITU T.31 and TIA/EIA-578-A specifications
3.5.6.3.4. DTE inactivity timeout - +FIT
+FIT - DTE inactivity timeout
AT+FIT=[<time>[,<action]] Execution command sets DTE inactivity timeout
Parameter:
<time> : indicates the DTE inactivity timeout in seconds. The required
timeout is 1 to 255 seconds. The value of 0 indicates that
timeout is disabled.
0 – 255 (default value is 0)
<action>
0 - Upon timeout, the DCE shall go on-hook, executing an implied
ATH command; then reset to +FCLASS = 0 if +FCLASS = 0 is
supported by the DCE (default value)
1- Upon timeout, the DCE shall only go on-hook. This feature is used
to detect possible system failure, when either no line or DTE
activity has occurred for a minimum amount of time