ITX 3000/2000 Printer User Manual
(UMITX315.PDF
)
Page 28 of 82 Date: 4/27/05
7.3
USB Interface
This Full Speed 2.0 USB (Universal Serial Bus) Interface has the ability to transfer data a peak rate of 12Mb/sec.
.
7.3.1
USB Interface Pin-out Table
Pin No.
Signal Name
Description
1
V Bus
USB 5V
(interface is printer powered)
2 D-
USB
-
3 D+
USB
+
4
Logic Ground
Data ground
Shell
Chassis Ground
Chassis ground-data cable shield connection
7.3.2
USB Interface Cable
To maintain the printer’s EMI/EMC compliance and assure signal data integrity, a 2.0 Certified Compliant USB 2.0 A-B cable
must be used. Also, the connected root an/or external HUB(s) must be 2.0 Certified Compliant HUB(s).
7.4
Auxiliary I/O Connector
This connection is a small 8-pin circular DIN connector. It is primarily used to connect external low ticket stock sensor to the
printer. For other applications or the use of the 2-amp power driver consult the factory and See section 19.3.1.
PIN #
SIGNAL TITLE
SIGNAL DESCRIPTION
NOTES
1
+5V OUT
5v SOURCE FOR SENSOR
50 mA MAX.
2
LED BIAS
SENSOR BIAS
120 ohms TO 5V
3
SENSOR TYPE
BIAS SELECTION
1K ohms TO PIN 4
4
LOW PAPER
LOW PAPER INPUT
15K ohms TO GROUND
5
LOGIC GND
SENSOR GROUND
6
+24V OUT (fused)
REF. VOLTAGE
CONSULT FACTORY
7
2AMP DRIVER
OUTPUT
CONSULT FACTORY
8
POWER GROUND
DRIVER GROUND
CONSULT FACTORY
SHELL
FRAME
Chassis ground-data cable shield connection