User guide

Raven EDGE/GPRS for Cingular - User Guide, version 2.31 49
Specifications for the Raven EDGE/GPRS
Power Management:
•
Low power consumption
• Dormant connection (idle for 10-20 seconds): at 12 VDC
• Input Voltage: 9 VDC to 28 VDC
• Input Current: 20 mA to 350 mA
Power consumption
Modem Idle Transmitting
Raven 60 mAh 310 mAh
Serial Port Pinouts
The cable between the Raven and a computer or other serial device needs to be wired straight-
through (pin 1 goes to pin 1, pin 2 to pin 2, etc.). If your end device connected to the Raven is a
DCE device, you will need a null-modem cable.
FIGURE 1. : Female DB-9 DCE
5
4
3
2
1
9
8
7
6
< - > GND (Ground)
< - DTR Data Terminal Ready)
< - Rx (Receive)
- > Tx (Transmit)
- > DCD (Data Carrier Detect)
Unused
CTS (Clear to Send)
< -
RTS (Request to Send) - >
DSR (Data to Send) < -