Chapter 7: Peripheral Devices & Accessories
The Port Replicator
WORKABOUT PRO
3
with Windows Mobile 6.1 User Manual
279
cradle draws no more than 8A (less if the accessory supply is greater than 12V). Any addi-
tional wiring, connectors or disconnects used should be rated for at least 10A.
The red lead of the power cable attaches to the positive vehicle supply. The black lead con-
nects to the negative supply–this should be connected to a proper terminal block and not to
the vehicle body. The power cradle is fully isolated and can be used with both negative and
positive chassis vehicles.
You may have the option of connecting power before or after the ‘key’ switch. It is prefera-
ble to wire the power cradle after the key switch–that is, it cannot be turned on without the
key on. However, if the operator switches the key off repeatedly for long periods during a
shift, it may make more sense to wire the cradle before the switch.
Keep in mind that the WORKABOUT PRO
3
will continue to operate with or without
vehicle power as long as its battery has sufficient charge.
If an unfused power source must be used, a fuse assembly (PN 19440) must be added to the
extension power cable (the fuse and instructions are supplied with the cable). Use only a
10A slow blow UL approved fuse in the fuse assembly.
7.31
The Port Replicator
The port replicator (Model# WA4005-G1) is an optional accessory that allows tethered
devices as well as mounted peripherals (e.g., bar code printers or weigh scales) to be
attached to the vehicle cradle. The replicator can be used with or without the cradle
power option.
The functionality of the WORKABOUT PRO
3
tether port is replicated into RS-232 serial
interfaces by the port replicator. It provides the user with 3 DB9 serial interfaces as well as
one Type B USB port (for connecting a Host device).
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