Hardware reference guide

7535 Hardware Reference Guide 21
Chapter 2: The Hardware
The Tether Port
Table 2.5 Recognized Tether Port Resistance Values
Devices that connect to the tether port may be wired as follows:
USB Device
Table 2.6 Tether Connector Pinout For USB Device
PowerScan Non-decoded Scanner
Table 2.7 Tether Connector Pinout For PowerScan Non-decoded Scanner
Tether Connector Pin Pin Description
1
2 VCC (+5 V from 7535)
3USB+
4USB-
5GND
6
7
8 150k Ohm Resistor
(Connect the other end of resistor to pin 5)
Tether Connector Pin Description
1 SCN_TRIG (TRIGGER)
2 VCC (+5 V from 7535)
3SOS (SOS)
4 SCN_DATA (BAR_OUT)
5 GND (GND and CONFIG2)
6 SCAN_ENABLE (PWR_ENABLE)
7 SCN_ACK (GOOD READ)
8 8.66k Ohm Resistor
(Connect the other end of resistor to pin 5)