Technical data

Technical Datasheet
&
User’s Manual
Narrowband multi-channel data radio modem
LinkWiser™-S400M Rev. 2.1
Cellution Inc.
#317, NKIC, 48-84 Honguen-1dong, Seodaemun-gu, Seoul, Korea Zip: 120-760
Enquiries: [e-mail]
/ [e-mail]
Voice: [phone] / Fax: [phone]
12
The addressed mode is similar to a multipoint mode. All modules can communicate with each other by
addressing each frame to one of them.
12-3-1 Operation
Addressed mode’s purpose is to offer an optimal radio link performance providing the multipoint
access of the transparent mode.
Compared to the transparent mode, the addressed mode therefore includes the additional feature to
address each data frame to a specific module.
12-3-2 Examples of configuration with AT commands for address mode
User +++ // Switch to Configuration mode
Module >
User ATS120=192.168<CR> // Set network ID to 192.168
Module >
User ATS121=10<CR> // set group id to 10
Module >
User ATS122=10<CR> // set device id to 10
Module >
User ATO<CR> // exit from the configuration mode
Module Good Bye!
***To send data to specific I.D of same group, same network & same frequency, you have to set
AT+ADDR command before sending user data.
User AT+ADDR=16 // set the operation mode to address mode & the destination I.D is 16.
User DATA
12-4 Extended AT Command Set
This section describes the list of the extended at command set that is working on normal working
mode, not on ‘+++’ Configuration mode.
12-4-1 CH R/W
Reading: ‘AT+FREQ?’
Answer: channel: 1
Freq: 424.7125MHz
Writing: AT+FREQ=5
Answer: >
Frequency channel table in 424MHz band
Frequency (MHz) Value
424.7125 1
424.7250 2
424.7375 3
424.7500 4
424.7625 5
424.7750 6
424.7875 7
424.8000 8
424.8125 9
424.8250 10
424.8375 11
424.8500 12