Honeywell Dolphin 9900 User Manual page 132

Serial Connector
The base connector is straight to the printed circuit board (PCB). The ninth pin sends 500mA at 5V power
out. This can power a peripheral device, such as a mobile printer, as long as that peripheral device can
accept 500mA at 5V.
Note: Signals referenced are for a DTE device.
12 - 8
Pin # Description
1 Internal Jumper to Pin 6
2 TXD
3 RXD
4 DSR
5 GND
6 DTR
7 CTS
8 RTS
9 5 VOLT OUT