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13 - 8 Rev D Dolphin® 7900 Series User’s Guide
RS-232 Pin Configuration
Note: The HomeBase
cannot
be daisy-chained.
Setting up the Terminal for ActiveSync Communications via RS-232
1. On the terminal, tap Start > ActiveSync > Tools > Options. ActiveSync opens displaying the PC tab.
2. In the Use this PC drop-down list, select the name of the host PC.
3. Select Sync with this PC during manual sync to indicate that the terminal syncs with the selected host PC when
synchronization is run from the terminal.
4. Tap Options.
5. Under When cradled, select Enable PC sync using this connection, and select ‘115200 Default from the drop-down list.
‘115200 baud is recommended for RS-232 communication.
6. Tap OK and place the Dolphin in the HomeBase. The Dolphin terminal attempts to start an ActiveSync connection with the
PC automatically.
HomeBase /Host Port
(DCE)
IBM AT DB9
(DTE)
IBM XT DB25
(DTE)
Modem DB25
(DCE)
Pin / Input Signal
2 / (RD) 2 3 2
3 / (TD) 3 2 3
5 / (SG) 5 7 7
4 / (DTR) 4 20 6
6 / (DSR) 6 6 20
7 / (RTS) 7 4 5
8 / (CTS) 8 5 4