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The Dualys is 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 pro-
gram 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 Contact Station
DB-9 Connector
USB or Parallel Port
External Coupler
Serial Port, USB, …
A sequence of commands must 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 card is moved from the feeder to the Contact Station and stops under it.
■
The card is pushed up to come into contact with the Station.
■
The printer connects the Contact Station to the DB-9 connector.
■
The chip may be programmed via the serial or USB interface of the computer and the external coupler.
Check the Programming Guide of the Dualys printer to obtain more complete information
on how to program a chip card.