User's Guide

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LM074 SPP with GAP Central Application v1.1
4.3.9 “AT*MODEM”\r\n:
i. Query and set command
ii. MODEM query command: “AT*MODEM=?”\r\n
iii. MODEM query report: “REP*:MODEM=NONE” (module uses
default MODEM settings as “none”)
iv. MODEM set command: “AT*MODEM=LOCAL” or
“AT*MODEM=Remote”.
v. Refer below table for MODEM settings:
Sr
No
Modem
setting
Comment
1
None
Default setting
2
Local
LM068/LM074 uses RTS/CTS
and DTR/DSR in loopback mode
3
Remote
When LM068/LM074 is
connected to remote device,
LM068/LM074 sends RTS /DTR
line status to remote device and
receives CTS/DSR line status
from remote device
vi. Modem settings LOCAL and REMOTE are followed when Flow-
control is off.
vii. MODEM command is applicable for LM074 module and LM068
adapter.
4.4 Bluetooth Security Settings commands:
4.4.1 “AT*PIN”\r\n
i. Query and set command
ii. PIN query command: “AT*PIN=?”\r\n
iii. PIN query report: “REP*:PIN=1234” (module uses default PIN as
1234)
iv. PIN set command: “AT*PIN=00112233” or “AT*PIN=Abcd”.
v. Maximum PIN length supported is as per BT2.1 standard i.e. 16
bytes. PIN string can be numeric only, alpha only, or alpha
numeric.
vi. Examples for valid PIN set commands:
“AT*PIN=00112233445566778” or
“AT*PIN=001122aaBBccDDeef”
4.4.2 “AT*DPIN”\r\n
i. Query and set command