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IInntteerrffaaccee ooff tthhee CCoonnttaacctt SSttaattiioonn
The P
ebble Smart and Dualys Smart printers are fitted with a DB-9 female connector on the back of
the printer. This connector, directly connected to the Contact Station inside the printer, is also
connected to an external coupler to program the chip.
DB-9 Connector pins Chip card contact points
1 C1 (V c.c.)
2 C2 (reset to 0)
3 C3 (Clock)
4 C4 (reserved)
5 C5 (Ground)
6
C6 (Vpp)
7 C7 (E-S)
8 C8 (reserved)
9 C9 Ground when the chip is commuted
with the Cont
act St
ation
USB
External Coupler
Serial Port, USB, …
A sequenc
e of c
ommands mus
t be sent via the interface of the printer to insert a card in the prin-
ter and then place it under the Station to establish contact
The command sequence is the following:
Sending the “Sis” sequence
■
One c
ar
d is mo
v
ed fr
om the f
eeder to the Contact Station and stops under it.
■
The card is pushed up to come into contact with the Station.
■
The print
er c
onnects the Cont
act St
ation to the DB-9 connector.
■
The chip may be pr
ogr
ammed via the serial or USB interface of the computer and the external coupler.
Check the Programming Guide of the Pebble and Dualys printers to obtain more complete
information on how to program a chip card.
DB-9 Connector
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