Hand-held-products Dolphin 7200 User Manual Page 57

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Dolphin® 7200 User’s Guide 8 - 7
Setting up the Dolphin HomeBase
Set the Dolphin HomeBase on any dry, stable surface such as a desktop. Before mounting the Dolphin HomeBase, check to
ensure that all AC wall transformers have a nearby electrical outlet. Be sure to provide enough workspace with good lighting for
the user to view and operate the Dolphin terminal while it is in the HomeBase. Setting up the HomeBase involves three steps:
1. Connecting the cables
2. Setting the configuration switches
3. Setting the baud rate
Connecting the Cables
Connect the HomeBase to the host computer or other device by plugging an RS-232 serial cable into the RS-232
Communications Port on the rear of the HomeBase. The wiring of your cable depends on whether the other device is set up as
a DCE (Data Communications Equipment) or DTE (Data Terminal Equipment) device.
The HomeBase RS-232 Port is configured as a DCE device. To communicate with a DTE device such as a computer, use a
standard (or straight-through) RS-232 cable. To communicate with a DCE device, use either a null modem adapter in line with a
standard RS-232 cable, or a null-modem serial cable.
You can make your own cables by following the pin configuration in the chart below. To do so, you must determine if your host
RS-232 device is 9-pin or 25-pin, and whether it is configured as a DCE or DTE device.
With the Dolphin 7200 HomeBase, use the appropriate cable to connect each device to the Main Comm Port for a single Dolphin
HomeBase or to the Multi-HomeBase Port if you are creating a Dolphin HomeBase network.
Connect the power supply to the Dolphin HomeBase. Plug the AC transformer into the Dolphin HomeBase 12 Volt DC power
supply connector. The AC wall transformer provided can power only one Dolphin HomeBase.
Note: Hand Held Products recommends that you leave the Dolphin HomeBase connected to its power source at all times, so
that it is always ready to use.
Setting the Configuration Switches
Use these switches to select the network and communications modes for your Dolphin HomeBase. If you are configuring the
HomeBase for a single Dolphin terminal, the switch must be in the 'Single' position for proper basic operation. The switch must
be set to 'Multi' for proper network operation if you are creating a HomeBase network. The configuration switch must be in the
program position to change the baud rate.
HomeBase /Host
Port (DCE)
IBM AT DB9
(DTE)
IBM XT
DB25 (DTE)
Modem
DB25 (DCE)
2 (RD)
23 2
3 (TD)
32 3
5 (SG)
57 7
4 (DTR)
420 6
6 (DSR)
6620
7 (RTS)
74 5
8 (CTS)
85 4
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