Rs-232 Serial Connector; Powering The Dolphin Homebase - Hand Held Products 7900L00-414C50E - Dolphin 7900 User Manual

RS-232 Serial Connector

The following diagram displays the pins of the RS-232 serial connector of the
Note: Signals referenced are for a DTE device. The HomeBase is at a right-angle to the printed circuit board (PCB). The ninth
pin has a ring indicator (RI).

Powering the Dolphin HomeBase

The terminal requires 9.5 volts DC input for communications and battery charging; the power adapter on the power cable converts
the voltage from the power source to 9.5 volts DC. Only power adapter cables from Hand Held Products converts the voltage
appropriately.
We recommend that you leave the Dolphin HomeBase connected to its power source at all times, so that it is always ready to use.
1. Connect the power cable to the DC jack on the rear panel of the HomeBase.
2. Connect the power cable to the power adapter.
3. Plug the power adapter into the power source.
4. The HomeBase is now powered. When a terminal is inserted into the terminal well, the HomeBase powers the terminal,
charges the terminal's main battery pack, and launches ActiveSync communications (if applicable.)
13 - 4
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Pi n #
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4
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Back Panel
Description
Interna l Jumpe r to Pi n 6
TXD
RXD
DSR
GND
DTR
CTS
R TS
RI
Rev D
(see page 13-3).
Dolphin® 7900 Series User's Guide