User's Manual

Chapter 1: Introduction
Ports
10
Psion Teklogix 7535 G2 Hand-Held Computer Service Manual
1.4.10.11 Endcap Variants
There are five variants of the 7535 G2’s endcap:
Table 1.6 Endcap Variants
The external RFID reader, model RD7950, fits over the 7535 G2’s endcap, leaving room for the scanner.
1.4.11 Ports
The 7535 G2 has the following external ports:
• Docking port.
Connects to chargers and docking modules; provides USB and serial connections.
• Tether port.
Connects scanners and other cabled peripherals.
See Appendix B for detailed descriptions and pinouts.
1.4.11.12 The Docking Port
The docking port allows the terminal to be placed in a cradle that allows battery charging and connection
to peripherals. Available peripherals include chargers and a Portable Docking Module (PDM) that
provides connections for USB host port, USB client port, and a serial port. See “The Portable Docking
Module” on page 12 for details about the PDM.
Figure 1.3 The Docking Port
The docking port supplies DC power, a serial ‘console’ port, a USB host port, and a USB client port.
Power
Power for charging the batteries and powering the terminal (9-24 V DC; 3.4 A max) is supplied to the
terminal through the docking port. The terminal can supply 5V power (1.5 A max, 1A continuous) to
an external device through the ‘Power Output’ pin. This power is switched; the switch is controlled by
Part Number Description Notes
1001737 Endcap without scanner
1001739 Endcap with scanner window
This endcap is used with all the scanners
except the imaging scanners.
1001336
Endcap with scanner window, for units with
GSM radio.
1001735 Endcap with imaging-scanner window
This endcap is used with the two imaging
scanners, 1030048 and 1030049
1001391
Endcap with imaging-scanner window, for
units with GSM radio.