
Installation
RFI-148 250W VHF Paging Transmitter User Manual
Page 7 of 43
2.3 Product Installation
The back panel of the paging transmitter is shown below in Figure 1.
1. System
Ground
2. RF Output
3. External
Frequency
4. Ethernet
5. DC Input
24 V Nominal
6. DC SW
7. RF Diag
8. LIU
Interface
9. RS232
Figure 1: Paging Transmitter Back Panel
1.
System Ground:
External connection for system ground.
2.
RF Output:
Modulated RF output from the paging transmitter. N-type female connector.
3.
External Frequency:
External reference input for accurate channel synthesis. BNC female
connector.
4.
Ethernet:
Ethernet connection for configuration and diagnostics over UDP. RJ45 connector.
5.
DC Input 24 V Nominal:
20-31.2 V DC Input voltage. Terminal block connector.
6.
RF Diag:
Sniffer port for diagnostics. BNC female connector.
7.
DC SW:
Power switch.
8.
LIU Interface:
Combined alarm and encoder interface. DC-37 female connector.
9.
RS-232:
Main serial port. DE-9 female connector.