3 - 9
I/O Connector
This I/O connector has 17 pins that are designed to work exclusively with Dolphin 7850 peripherals and
cables. This connector
• Powers the terminal.
• Charges the main battery.
• Supports communication with a host workstation via Microsoft ActiveSync (see page 7-3).
• Supports RS-232 (up to 115 Kbps) and USB (up to 12 Mbps) communication.
The pins on the I/O connector are as follows:
Note: Signals referenced are for a DTE device.
Pin # Description
1 +USB
2 PWR
3 N/C
4 N/C
5 N/C
6 N/C
7 GND
8 N/C
9 DTR
10 -USB
11 USB DET
12 RI
13 DSR
14 RXD
15 RTS
16 TXD
17 CTS
1
10
2
11
3
12
4
13
5
14
6
15
7
16
8
17
9
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