Psion Teklogix 7525M Manuel d'utilisateur Page 64

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Chapter 5: External Connectors
Port Replicator
54 Psion Teklogix WORKABOUT PRO HDK User Manual
5.8 Port Replicator
The port replicator allows peripherals to be attached to the powered and unpowered
vehicle cradles. The WORKABOUT PRO and the port replicator communicate through the
LIF port.
The port replicator has the following connectors:
Three RS-232 ports.
USB client connector.
15-pin vehicle cradle connector.
For information on the port replicators available for your WORKABOUT PRO see the Accesso-
ries Catalog at www.PsionTeklogix.com/Accessories
The port replicator provides three full-function RS-232 ports on DE-9 connectors. The RS-232
ports are connected to an internal processor which is connected as a client to the USB host inter-
face of the WORKABOUT PRO. For the port assignments see “COM Port Assignments” on
page 24.
For the pinout for the USB client connector see “The USB Client Connector” on page 50.
For the pinout for the 15-pin vehicle cradle connector see “The Vehicle Cradle 15-Pin Connector”
on page 53.
The.WORKABOUT PRO supplies 5 V DC to the cradle and the port replicator through the
5 V DC supply associated with the USB host port (pin 5) on the LIF connector. The cradle
switches this 5 V on when the WORKABOUT PRO is docked in the cradle. The port replicator
draws a maximum of 50 mA when no peripherals are connected to it.
The DC input of the powered cradle is regulated and fed only to the power input of the
WORKABOUT PRO.
8 8 LIF_DETECT Input for detection of device on
LIF connector
Input
9 9 USB_C0_D+ USB client port 0 D+. Bidirectional
10 10 USB_C0_D- USB client port 0 D-. Bidirectional
11 11 GND Ground. Power
12 12 PGND Ground. Power
13
14
15
Table 5.6 Pinout Of The Vehicle Cradle 15-Pin Connector
Pin
Pin On LIF
Connector
Name Description Direction
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