Westermo GDW-11 - Manual (Page 18)

18 General commands 6615-2220
Second Byte Value warning:
Due to the absence of locking, the right response may not be returned
for the following instructions (See CRSM commands).
C2 ENVELOPE
A2 SEEK
A4 SELECT
Fifth Byte Value Restriction:
For the following instructions ( Second Byte):
A4 SELECT
10 TERMINAL PROFILE
C2 ENVELOPE
14 TERMINAL RESPONSE
The user must make sure that the value of the fifth Byte of the instruc-
tion corresponds of the length of bytes (data starting from 6th byte)
which follow it.
The value of the Fifth Byte must be equal of the value: <length>/2
– 5, else the command is not send to the SIM and CME ERROR=3 is
returned.
<error> integer type
3: Wrong format or parameters of the command
13: SIM no response
<response> Hexadecimal type.
Response to the command passed on by the SIM to the MT in the format as described in
GSM 11.11 (or 3GPP TS 51.011) (hexadecimal character format; refer +CSCS)
Command example Possible responses Note
AT +CSIM? OK
AT +CSIM=? OK