User's Manual
Table Of Contents
- About This Manual
- System Description
- Mobile Equipment System
- Repeater System
- Base Station
- System Installation and Checkout
- User Interface
- Acronyms
- Radio Module Specifications
- General Description
- Functional Specifications
- FCC Items
- Channel Definitions
- Power and Distance
- Photographs
- DSSS Channels and Regulations
- EL Antenna Pattern
- AZ Antenna Pattern
10 Spread Spectrum Radio System User’s Manual
March 2001
• location system (GPS) adapter board
This board is present only if the repeater is equipped with the
GPS option. It provides the interface between the processor
board and the GPS receiver.
Connectors and Indicators
There are six external connectors on the front of the Hub. A decal
affixed to the top of the Hub indicates the type of connection at each.
Figure 6 Repeater Hub
The following table provides a brief description of each of the
connectors:
RF ANT
GPS ANT
EXT RADIO SLIP
ETHERNET
POWER
Table 4 Repeater Hub Connectors
Connector Description
GPS ANT type TNC coaxial cable connector for GPS
antenna
RF ANT type N coaxial cable connector for 2.4-GHz
radio antenna
EXT RADIO provides connection to an external SSR if an
internal radio is not used. This connector is
normally not used.
SLIP RS-232 service port for laptop connection
during system startup, update, and
troubleshooting