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6.7.4 Deleting all cards from the reader’s memory
Follow these steps for deleting all cards from the reader module’s memory:
Step 1
Step 2
Step 3
Read the programming card
for
deleting
: the reader goes
into
programming mode
.
Read the programming card
for deleting 5 times in a row;
the reader will erase all cards
from its memory.
The reader module goes
back
into
standard
operating mode
.
Pic.4 d): Deleting all cards
6.7.5 Recommended method for access rights management (using prog. cards)
In case of managing access rights of plenty of users (using programming cards only), it is
appropriate to establish a table, which summarizes operation with the reader module
memory. All operations (adding and deleting cards) should be stored in the table. Following
example shows correct usage of the programming cards and proper filing of the actions:
Inserting
5 new cards
using the procedure from
chapter 6.7.1
– Read
+ (inserting)
programming card
, read
cards 1-5
, after 15 s the programming mode is exited,
create a table
.
Pic.4 e): Table after inserting 5 cards
Card 3 gets lost
– Delete it
using the card 4
, which is available, and using the
procedure from
chapter 6.7.3
– Read
+ (inserting) programming card
, then
5x +
(inserting) programming card
again, then
card 4
, and finally
– (deleting)
programming card
.
Register the change in your table
.
Pic.4 f): Deleting card 3 using the card 4, table after deleting card 3
position
card
1
card 1
2
card 2
3
card 3 (lost)
4
card 4 (available)
5
card 5
position
card
1
card 1
2
card 2
3
card 3
4
card 4
5
card 5
position
card
1
card 1
2
card 2
3
card 3
4
card 4
5
card 5
5x
