45?/DIV>
Configuration
AT Command Mode
AT command
m
The base is in AT command
No
modu
ion
with
ut
do
connection exists with a base module, the connection is maintained. Care must be taken that the
As o
f the
BT a
are
set t
Bew
manually typing
char
Auto
Whe
ther
para
para
only
othe
conf
ime the module is powered-up.
mode is used for all commands on base and remote modules. Binary command
ode is not available when MD = 1 or 2.
mode when not engaged in an exclusive connection with a remote.
AT Command Mode sequence is needed. When a base module is connected to a remote
le, the AT Command Mode sequence is used to enter AT command mode. The connect
the remote is maintained. Care should be taken that the CE (Connection Inactivity) timeo
es not occur while in AT Command Mode.
The remote must use the AT command sequence to enter AT Command Mode. When a
CB (Connection Duration) timeout does not occur while in AT Command Mode.
f firmware version, 4.30, a faster method is available for entering AT Command Mode. I
nd AT parameters are set to 0, BT (Guard Time Before) and AT (Guard Time After) times
o 6 milliseconds.
are that this will also mean that AT Command Mode cannot be entered by
the AT command sequence (usually +++), because the AT time will occur faster than the
acters can be typed.
Configuration
n enabling Multi-Streaming Modes (by setting the MD (RF Mode) parameter to 1 or 2), o
meter values are automatically modified to support the mode. For example, when the MD
meter is changed to 1 or 2, the RR parameter is changed to 0x0A (hex). The modification
occurs if the RR parameter is 0 (its default) before the MD command was executed. If any
r value is found for the RR parameter, the RR parameter will not be changed. Auto
iguration occurs every t
Table?06.   Auto燙onfigurations?/DIV>
Parameter changed
when MD = 1 or 2
Condition for modification
to take place (default values)
Resulting Parameter Value
RR (Retries)
If RR = 0
RR = 0x0A (10 decimal)
RN (Delay Slots)
If RN = 0
RN = 5
MY (S
If MY = 0xFFFF (& MD = 2)
Unique value based on serial number *
ource Address)
CD (DO3 Configuration)
If CD = 0
CD = 3
BT (Guard Time Before)
If BT = 0x0A
BT = 0
AT (Guard Time After)
If AT = 0x0A
AT = 0
ess爄s燽ased爋n爐he爏erial?/DIV>
Global
*燭he爏ystem爎equires爐hat爀ach爎emote爃ave燼爑nique燼ddress.燭he燼utomatic燼ddr
number燼nd爄s爊ot爂uaranteed爑nique,燼lthough爐he燾hances爁or燼燿uplicate燼ddress燼re?爄n?6,000.燦o爉ethod?/DIV>
currently爀xists爁or燿etecting?爎eassigning燿uplicate爎emote燼ddresses.?/DIV>
Connection
The bas
e modules (to send a broadcast message) by
rem
nd
mes
The
resp
C Command as any
e module can connect to all remot
connecting with a DT address of 0xFFFF (hex). There will be no acknowledgements from the
ote radios and each packet from the base will be sent RR times. A remote cannot se
sages to a base during a global connect.
CGP and DGP packets will be sent RR times to begin and end the global connection
ectively. The connection can be terminated by CE, CB timers, DI3 or ATD
other connections.
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