OBID
®
System-Manual
ID RW40.30-USB
FEIG ELECTRONIC GmbH
Page 25 of 57
H80701-2e-ID-B.doc
3.3. Reader authentification
Locking of the reader input is an effective measure against unauthorized use of the reader and against
an unauthorized change of the reader configuration. If the reader access is locked, communication
with the reader via the asynchronous interface is only possible after a valid "Login".
3.3.1. [0xA1] Locking of reader access
The reader offers the possibility to lock all commands and functions for a public access via the reader
interface. In case of an existing locking the reader only accepts these commands / functions after a
valid login-command. (see:
3.3.3. [0xA0] Reader-Login
).
Host
→
Reader:
1
2
3
4
5
5
COM-Adr
0xA1
LOCK
CSUM
Host
←
Reader
1
2
3
4
5
5
COM-Adr
0xA1
STATUS
CSUM
LOCK:
0: Reader access free (no password protection)
1: Reader access locked, valid password required