User`s guide

Interface of the Contact Station
The Pebble 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
A sequence of commands must be sent via the inter
face of the printer to inser
t a card in the printer 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 pr
ogramed via the serial or USB inter
face of the computer and the
exter
nal coupler.
Check the Programming Guide of the Pebble printer to obtain more complete information
on how to program a chip card.
Serial Port, USB, …
40
External Coupler
DB-9 Connector
USB or
Parallel Port