User Manual

USER MANUAL
4-11
Command Description
AT Attention. Returns ‘OK’ when the radio is in configuration mode.
ATE0 Disable echoing of characters when in configuration mode. Default.
ATE1 Enable echoing of characters when in configuration mode.
ATI Display software revision information.
ATSn=V S register n is changed to value V. (n is a decimal number)
ATSn? The value is S register n is output.
ATD Data mode. Used to exit configuration mode and enter data transfer mode.
ATZ The configuration is loaded from EEPROM.
AT&Z The configuration is reset to factory defaults.
AT&W The configuration is written to EEPROM.
Table 2.3-1 (OEM-900 Command Set)
Command Notes:
•
The command line may not exceed forty characters in length.
•
Multiple commands are allowed on a single command line.
•
All command line entries must be terminated with a carriage return (0x0d). The linefeed
character (0x0a) is optional and will be ignored.
•
All whitespace characters (0x20, 0x09) within commands will be ignored.
•
All commands will return “OK<CR,LF>” (0x4f, 0x4b, 0x0d, 0x0a) upon completion (Note:
The “ATD” command is the only exception to this).
Command Line Editing:
Typing the Escape key (0x1b) discards the input line and restarts the command. Typing the
Backspace (0x08) or the Delete (0x7f) key discards the previous character.
Register Name (Attributes) Description
S0
Group ID
(read/write)
Each group of radios that are to communicate with each
other must have the same group ID.
Valid Range: 1..63
Default Value: 1
S1
Radio ID
(read/write)
Each radio within a network must have a unique ID.
Valid Range: 0..254 (Note: 255 is reserved as the broadcast
ID)
Default Value: 1
S2
Security ID
(read/write)
Each group of radios must be assigned a unique security ID
code. Each radio within the group must utilize the same code.
Valid Range: 0..65534
Default Value: 0
S3
Radio Mode
(read/write)
This register contains the operating mode of the radio.
Valid Modes: M, S, R (Master, Slave, Repeater).
Default: S. (Slave)
S4
Point-to-Point Mode
(read/write)
Only two radios may operate together in point-to-point mode
and both share the same ID code (Note: This mode will not
work with repeaters in the network)
Valid Modes: Y, N (Yes, No)
Default: N (No)
S5
Repeaters in Network
(read/write)
Setting this register causes the master radio to repeat every
packet that is to be sent by the radio. It is to be utilized
whenever repeater/slave units are present in the network.
The radio will communicate on a four-hop cycle.
Valid Modes: Y, N (Yes, No)
Default: N (No)