User's Manual

Technical Specifications
RFI-148 & RFI-900 High Output Power Paging Transmitters User Manual Page 59 of 134
RFI-900 current draw
Typical Current Draw at
120 V AC
Figures quoted are with fans on unless specified.
• Idle (Fans off): 0.48 A
• 20 W: 2.01 A
• 50 W: 2.84 A
• 100 W: 3.93 A
• 200 W: 5.56 A
• 250 W: 6.22 A
Table 18: RFI-900 current draw
A.3 Serial Connectors
A.3.1 Rear Serial Port
Pin
Function
Direction
RFI-148
RFI-900
1
DCD
Input
Output
2
RxD
Input
Output
3
TxD
Output
Input
4
DTR
Output
Input
5
GND
6
N/A
7
RTS
Output
Input
8
CTS
Input
Output
9
N/A
Table 19: Back Panel Connector Pin OutRFI-900
A.3.2 Front Serial Port (DCE)
Pin
Function
Direction
1
N/A
2
RxD
Output
3
TxD
Input
4
N/A
5
GND
6
N/A