Optional Serial Interface + Usb Interface Card - Olivetti PR2 E Service Manual

3.4.2 OPTIONAL SERIAL INTERFACE + USB INTERFACE CARD

The optional serial interface + Universal Serial Bus (USB) interface card hosts both interfaces and is
installed in the specific slot alongside the standard first serial interface on the rear of the printer. This
interface card is shown in the following figure.
USB CONNECTOR
This serial interface has the same characteristics as the main board serial interface, while the USB
interface complies with the Universal Serial Bus Specification - Revision 1.1 reference standard and
has a transfer rate of > 200 kBps.
Y100250-4
Fig. 3-6 Serial Interface + USB Interface Card
J2
(RS232 Serial Interface)
1 DCD1
2 REXD1
3 TXD1
4 DTR1
5 GND
6 DSR1
7 CTS1
8 TAS01
9 TERRSE
Fig. 3-7 USB Interface Pin-Out
Service Manual
SERIAL CONNECTOR
CONNECTOR J1 FOR
CONNECTION TO THE
MAIN BOARD
J3
(USB Interface)
1 VBUS
2 DMENO
3 DPIU
4 GND
3-9