Topcon RE-S1, Operator'S Manual

Introduction

RE-S1 Operator’s Manual

2

Getting Acquainted

The RE-S1 is a transmit/receive/repeat 915+ spread spectrum radio 
modem. The RE-S1 is compatible with existing Topcon spread 
spectrum radio systems (some older HiPer models may need a radio 
modem upgrade), as well as Topcon base stations. Simple features 
allow the RE-S1 to be easily adaptable to any situation, and make it 
easy to use.

RX/TX LED

The RX/TX LED provides the following indications for the modem:

• Green flashes – modem is in receive mode and is searching for 

radio link.

• Green solid – radio link established.

• Green solid with Red flash – modem is receiving.

• Red solid – modem is in transmit mode.

• Red flashes – improper configuration. 

Figure 1-2. RE-S1 Receive/Transmit LED

LED notes: 

The RX/TX LED will be solid green with a red flash 

when the Base receiver is within radio range of the repeater system. 
The red flash indicates the following:

• A data packet has been received from the Base.

• A data packet has been transmitted from the repeater system.

If the RX/TX LED flashes green for an extended period of time, 
check the following:

• The repeater’s distance from the Base.

RX/TX LED